<?xml version="1.0" encoding="UTF-8"?>
<openChecklist version="1.0">
  <title>SOCATA TB 20 Trinidad — Normal Operating Procedures</title>
  <contentHash>1788fc39ae25ea5d8e9dbfacf1c67fecb904737cb3d6ee8426612185d50468c0</contentHash>
  <aircraft make="SOCATA" model="TB 20" variant="Trinidad" category="standard_normal"/>
  <verification sourceFidelity="not_applicable" operationalReview="none" completeness="normal_only"/>
  <rights status="original_expression" license="CC-BY-4.0"/>
  <knownIssue severity="safety_defect">Contains no airspeeds, power settings, fuel quantities, or other numerical limitations — all must come from the specific aircraft POH.</knownIssue>
  <knownIssue severity="content_gap">Equipment variations exist across this model/variant. Verify items against the specific aircraft before use.</knownIssue>
  <sections>
    <section id="preflight-walkaround" phase="preflight_inspection" criticality="normal">
      <title>Preflight Walk-Around</title>
      <item type="action" index="0" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-1">
        <text>Aircraft documents (ARROW)</text>
        <response>ON BOARD AND CURRENT</response>
      </item>
      <item type="action" index="1" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-2">
        <text>Weight and balance — computed for actual loading</text>
        <response>WITHIN LIMITS PER POH</response>
      </item>
      <item type="action" index="2" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-3">
        <text>Fuel quantity — visually check both wing tanks and compare with fuel gauges</text>
        <response>CONFIRMED; ADEQUATE FOR FLIGHT WITH REQUIRED RESERVES PER POH</response>
      </item>
      <item type="action" index="3" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-4">
        <text>Fuel grade — verify correct grade as placarded</text>
        <response>CORRECT GRADE</response>
      </item>
      <item type="action" index="4" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-5">
        <text>Fuel sump drains — sample both wing sumps and fuel strainer</text>
        <response>CLEAR; NO WATER OR SEDIMENT</response>
      </item>
      <item type="action" index="5" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-6">
        <text>Fuel filler caps — both tanks</text>
        <response>SECURED AND LOCKED FLUSH</response>
      </item>
      <item type="action" index="6" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-7">
        <text>Engine oil level — dipstick removed, wiped, and re-checked</text>
        <response>WITHIN OPERATING RANGE PER POH; CAP SECURE</response>
      </item>
      <item type="action" index="7" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-8">
        <text>Engine compartment — fuel injection lines, oil hoses, and ignition leads</text>
        <response>NO LEAKS, CHAFING, OR LOOSE FITTINGS</response>
      </item>
      <item type="action" index="8" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-9">
        <text>Induction air inlet and air filter</text>
        <response>CLEAR AND UNOBSTRUCTED; FILTER SERVICEABLE</response>
      </item>
      <item type="action" index="9" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-10">
        <text>Exhaust stacks and heat exchangers</text>
        <response>NO CRACKS, CARBON SOOTING, OR LOOSE HARDWARE</response>
      </item>
      <item type="action" index="10" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-11">
        <text>Engine cowling — all cowl fasteners and cowl flap (if fitted)</text>
        <response>SECURED; COWL FLAP OPERATIONAL</response>
      </item>
      <item type="action" index="11" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-12">
        <text>Propeller blades and spinner — inspect each blade face, leading edge, and tip</text>
        <response>NO NICKS, CRACKS, OR EROSION; SPINNER SECURE</response>
      </item>
      <item type="action" index="12" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-13">
        <text>Nose gear — strut inflation, torque links, and shimmy damper</text>
        <response>STRUT EXTENDED NORMALLY; HARDWARE SECURE</response>
      </item>
      <item type="action" index="13" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-14">
        <text>Nose tire — condition and inflation</text>
        <response>SERVICEABLE; PROPERLY INFLATED</response>
      </item>
      <item type="action" index="14" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-15">
        <text>Pitot tube — cover removed; inlet unobstructed</text>
        <response>COVER REMOVED; CLEAR</response>
      </item>
      <item type="action" index="15" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-16">
        <text>Static ports — both sides of fuselage</text>
        <response>CLEAR AND UNOBSTRUCTED</response>
      </item>
      <item type="action" index="16" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-17">
        <text>Left wing leading edge and upper/lower skin</text>
        <response>NO IMPACT DAMAGE, DEFORMATION, OR FUEL STAINING</response>
      </item>
      <item type="action" index="17" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-18">
        <text>Left aileron — hinges, pushrod, and range of travel</text>
        <response>SECURE; FULL AND FREE MOVEMENT</response>
      </item>
      <item type="action" index="18" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-19">
        <text>Left flap — hinge pins, actuator, and skin condition</text>
        <response>SECURE; NO DAMAGE</response>
      </item>
      <item type="action" index="19" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-20">
        <text>Left wingtip — navigation light lens and strobe</text>
        <response>UNDAMAGED; LENS INTACT</response>
      </item>
      <item type="action" index="20" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-21">
        <text>Left main gear — strut extension, tire, brake pads, and gear door</text>
        <response>STRUT NORMAL; TIRE SERVICEABLE; BRAKES ADEQUATE; DOOR UNDAMAGED</response>
      </item>
      <item type="action" index="21" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-22">
        <text>Fuselage skin, antennas, and baggage door latch</text>
        <response>NO DAMAGE; ANTENNAS SECURE; DOOR LATCHED</response>
      </item>
      <item type="action" index="22" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-23">
        <text>Horizontal stabiliser and elevators — both sides; check hinge security and trim tab</text>
        <response>UNDAMAGED; HINGES SECURE; NO EXCESSIVE PLAY</response>
      </item>
      <item type="action" index="23" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-24">
        <text>Vertical stabiliser and rudder — hinges and full deflection check</text>
        <response>UNDAMAGED; MOVES FREELY</response>
      </item>
      <item type="action" index="24" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-25">
        <text>Tail beacon — lens and mounting</text>
        <response>INTACT AND SECURE</response>
      </item>
      <item type="action" index="25" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-26">
        <text>ELT — armed position and antenna connection</text>
        <response>ARMED; ANTENNA CONNECTED</response>
      </item>
      <item type="action" index="26" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-27">
        <text>Right main gear — strut, tire, brakes, and gear door</text>
        <response>STRUT NORMAL; TIRE SERVICEABLE; BRAKES ADEQUATE; DOOR UNDAMAGED</response>
      </item>
      <item type="action" index="27" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-28">
        <text>Right flap and right aileron — condition, hinges, and full travel</text>
        <response>SECURE; FULL AND FREE MOVEMENT; NO DAMAGE</response>
      </item>
      <item type="action" index="28" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-29">
        <text>Right wing leading edge, fuel cap, and tank vent</text>
        <response>NO DAMAGE; CAP LOCKED; VENT CLEAR</response>
      </item>
      <item type="action" index="29" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-30">
        <text>Right wingtip — navigation and strobe lights</text>
        <response>UNDAMAGED; LENS INTACT</response>
      </item>
      <item type="action" index="30" tickable="true" memoryItem="false" indent="0" id="preflight-walkaround-31">
        <text>Tiedowns, chocks, and gust locks — all removed</text>
        <response>ALL REMOVED</response>
      </item>
    </section>
    <section id="before-start" phase="before_start" criticality="normal">
      <title>Cockpit Preparation / Before Start</title>
      <item type="action" index="0" tickable="true" memoryItem="false" indent="0" id="before-start-1">
        <text>POH — aboard and accessible to crew</text>
        <response>ON BOARD</response>
      </item>
      <item type="action" index="1" tickable="true" memoryItem="false" indent="0" id="before-start-2">
        <text>Seats — fore/aft position locked; back angle secured</text>
        <response>ADJUSTED AND LOCKED</response>
      </item>
      <item type="action" index="2" tickable="true" memoryItem="false" indent="0" id="before-start-3">
        <text>Seat belts and shoulder harnesses — all occupants</text>
        <response>FASTENED</response>
      </item>
      <item type="action" index="3" tickable="true" memoryItem="false" indent="0" id="before-start-4">
        <text>Control lock (if installed)</text>
        <response>REMOVED</response>
      </item>
      <item type="action" index="4" tickable="true" memoryItem="false" indent="0" id="before-start-5">
        <text>Flight controls — full travel in all axes</text>
        <response>FREE AND CORRECT</response>
      </item>
      <item type="action" index="5" tickable="true" memoryItem="false" indent="0" id="before-start-6">
        <text>Avionics master switch</text>
        <response>OFF (before applying battery power)</response>
      </item>
      <item type="action" index="6" tickable="true" memoryItem="false" indent="0" id="before-start-7">
        <text>Master switch (battery)</text>
        <response>ON</response>
      </item>
      <item type="action" index="7" tickable="true" memoryItem="false" indent="0" id="before-start-8">
        <text>Fuel quantity gauges — compare with visual inspection</text>
        <response>CONSISTENT WITH VISUAL CHECK</response>
      </item>
      <item type="action" index="8" tickable="true" memoryItem="false" indent="0" id="before-start-9">
        <text>Annunciator / warning lights — press-to-test</text>
        <response>ALL LAMPS ILLUMINATE; NONE REMAIN LIT AFTER TEST</response>
      </item>
      <item type="action" index="9" tickable="true" memoryItem="false" indent="0" id="before-start-10">
        <text>Landing gear position indicators</text>
        <response>THREE GREEN — DOWN AND LOCKED CONFIRMED</response>
      </item>
      <item type="action" index="10" tickable="true" memoryItem="false" indent="0" id="before-start-11">
        <text>Gear warning horn — verify audible with throttle at idle</text>
        <response>HORN SOUNDS</response>
      </item>
      <item type="action" index="11" tickable="true" memoryItem="false" indent="0" id="before-start-12">
        <text>Fuel selector</text>
        <response>LEFT OR RIGHT (fullest tank or per POH; NOT OFF)</response>
      </item>
      <item type="action" index="12" tickable="true" memoryItem="false" indent="0" id="before-start-13">
        <text>Elevator trim</text>
        <response>SET FOR TAKEOFF PER POH</response>
      </item>
      <item type="action" index="13" tickable="true" memoryItem="false" indent="0" id="before-start-14">
        <text>Rudder trim</text>
        <response>NEUTRAL OR PER POH</response>
      </item>
      <item type="action" index="14" tickable="true" memoryItem="false" indent="0" id="before-start-15">
        <text>Propeller control (if separate from throttle)</text>
        <response>FULL FORWARD — HIGH RPM</response>
      </item>
      <item type="action" index="15" tickable="true" memoryItem="false" indent="0" id="before-start-16">
        <text>Mixture control</text>
        <response>RICH (or per POH for field elevation)</response>
      </item>
      <item type="action" index="16" tickable="true" memoryItem="false" indent="0" id="before-start-17">
        <text>Throttle (or single-lever control if so equipped)</text>
        <response>CLOSED, THEN SLIGHTLY OPEN PER POH START PROCEDURE</response>
      </item>
      <item type="action" index="17" tickable="true" memoryItem="false" indent="0" id="before-start-18">
        <text>Flaps</text>
        <response>UP — confirmed by position indicator</response>
      </item>
      <item type="action" index="18" tickable="true" memoryItem="false" indent="0" id="before-start-19">
        <text>Parking brake</text>
        <response>SET</response>
      </item>
    </section>
    <section id="engine-start" phase="engine_start" criticality="normal">
      <title>Engine Start</title>
      <item type="action" index="0" tickable="true" memoryItem="false" indent="0" id="engine-start-1">
        <text>Area around the aircraft — clear of persons and obstacles</text>
        <response>CLEAR</response>
      </item>
      <item type="action" index="1" tickable="true" memoryItem="false" indent="0" id="engine-start-2">
        <text>Fuel selector</text>
        <response>LEFT OR RIGHT — confirm ON</response>
      </item>
      <item type="action" index="2" tickable="true" memoryItem="false" indent="0" id="engine-start-3">
        <text>Mixture</text>
        <response>RICH (or per POH for altitude)</response>
      </item>
      <item type="caution" index="3" tickable="false" memoryItem="false" indent="0" id="engine-start-c1">
        <text>The IO-540 is fuel-injected — there is no carburetor. Follow the POH hot-start or cold-start procedure as appropriate. Priming with the fuel pump is typically required for a cold engine.</text>
      </item>
      <item type="action" index="4" tickable="true" memoryItem="false" indent="0" id="engine-start-4">
        <text>Electric fuel pump — energise briefly for pre-start prime per POH</text>
        <response>ON MOMENTARILY; FUEL PRESSURE CONFIRMED; THEN OFF</response>
      </item>
      <item type="action" index="5" tickable="true" memoryItem="false" indent="0" id="engine-start-5">
        <text>Throttle — position per POH start procedure</text>
        <response>SET PER POH</response>
      </item>
      <item type="action" index="6" tickable="true" memoryItem="false" indent="0" id="engine-start-6">
        <text>Ignition switch</text>
        <response>START — engage starter; release promptly after engine fires</response>
      </item>
      <item type="action" index="7" tickable="true" memoryItem="false" indent="0" id="engine-start-7">
        <text>Oil pressure — verify rise within time limit per POH</text>
        <response>RISING; WITHIN LIMIT</response>
      </item>
      <item type="action" index="8" tickable="true" memoryItem="false" indent="0" id="engine-start-8">
        <text>Throttle — after engine stabilises</text>
        <response>REDUCE TO IDLE RPM PER POH</response>
      </item>
      <item type="action" index="9" tickable="true" memoryItem="false" indent="0" id="engine-start-9">
        <text>Mixture — after start</text>
        <response>RICH FOR GROUND OPERATIONS (or per POH)</response>
      </item>
      <item type="action" index="10" tickable="true" memoryItem="false" indent="0" id="engine-start-10">
        <text>Avionics master switch</text>
        <response>ON</response>
      </item>
      <item type="action" index="11" tickable="true" memoryItem="false" indent="0" id="engine-start-11">
        <text>Alternator — verify charging on ammeter or loadmeter</text>
        <response>CHARGING NORMALLY</response>
      </item>
    </section>
    <section id="after-start" phase="after_start" criticality="normal">
      <title>After Start / Before Taxi</title>
      <item type="action" index="0" tickable="true" memoryItem="false" indent="0" id="after-start-1">
        <text>Oil pressure and oil temperature</text>
        <response>WITHIN NORMAL RANGE PER POH</response>
      </item>
      <item type="action" index="1" tickable="true" memoryItem="false" indent="0" id="after-start-2">
        <text>Engine instruments — fuel flow, cylinder head temperature, vacuum</text>
        <response>ALL INDICATING NORMALLY</response>
      </item>
      <item type="action" index="2" tickable="true" memoryItem="false" indent="0" id="after-start-3">
        <text>Flight instruments — altimeter set to current setting; gyros erecting</text>
        <response>ALTIMETER SET; GYROS ERECT</response>
      </item>
      <item type="action" index="3" tickable="true" memoryItem="false" indent="0" id="after-start-4">
        <text>Heading indicator — aligned with magnetic compass</text>
        <response>ALIGNED</response>
      </item>
      <item type="action" index="4" tickable="true" memoryItem="false" indent="0" id="after-start-5">
        <text>Communication and navigation radios — frequencies set and volumes checked</text>
        <response>SET AND CHECKED</response>
      </item>
      <item type="action" index="5" tickable="true" memoryItem="false" indent="0" id="after-start-6">
        <text>Transponder — code entered and in STANDBY</text>
        <response>CODE SET; STANDBY</response>
      </item>
      <item type="action" index="6" tickable="true" memoryItem="false" indent="0" id="after-start-7">
        <text>ATIS / weather information — obtain before taxi</text>
        <response>RECEIVED; ALTIMETER SETTING NOTED</response>
      </item>
      <item type="action" index="7" tickable="true" memoryItem="false" indent="0" id="after-start-8">
        <text>Taxi / position lights — as required by conditions</text>
        <response>ON AS NEEDED</response>
      </item>
      <item type="action" index="8" tickable="true" memoryItem="false" indent="0" id="after-start-9">
        <text>Parking brake — release when ready to taxi</text>
        <response>RELEASED</response>
      </item>
    </section>
    <section id="run-up" phase="before_takeoff" criticality="normal">
      <title>Run-Up / Before Takeoff</title>
      <item type="action" index="0" tickable="true" memoryItem="false" indent="0" id="run-up-1">
        <text>Parking brake</text>
        <response>SET</response>
      </item>
      <item type="action" index="1" tickable="true" memoryItem="false" indent="0" id="run-up-2">
        <text>Flight controls — verify full and free movement in all three axes</text>
        <response>FREE AND CORRECT</response>
      </item>
      <item type="action" index="2" tickable="true" memoryItem="false" indent="0" id="run-up-3">
        <text>Trim — elevator, rudder set for takeoff</text>
        <response>SET PER POH</response>
      </item>
      <item type="action" index="3" tickable="true" memoryItem="false" indent="0" id="run-up-4">
        <text>Fuel selector — select appropriate tank; confirm NOT OFF</text>
        <response>FULLEST TANK SELECTED; ON</response>
      </item>
      <item type="action" index="4" tickable="true" memoryItem="false" indent="0" id="run-up-5">
        <text>Mixture</text>
        <response>RICH (or per POH for field elevation)</response>
      </item>
      <item type="action" index="5" tickable="true" memoryItem="false" indent="0" id="run-up-6">
        <text>Propeller control — FULL FORWARD before run-up</text>
        <response>FULL FORWARD</response>
      </item>
      <item type="action" index="6" tickable="true" memoryItem="false" indent="0" id="run-up-7">
        <text>Throttle — advance to run-up power setting per POH</text>
        <response>RPM STABILISED AT RUN-UP SETTING</response>
      </item>
      <item type="action" index="7" tickable="true" memoryItem="false" indent="0" id="run-up-8">
        <text>Magneto check — left, right, and BOTH</text>
        <response>DROP ON EACH MAGNETO WITHIN LIMITS PER POH; SPREAD WITHIN LIMITS</response>
      </item>
      <item type="action" index="8" tickable="true" memoryItem="false" indent="0" id="run-up-9">
        <text>Propeller cycle — advance to full forward, then reduce RPM and observe drop, then return to full forward</text>
        <response>RPM DROP OBSERVED; OIL CIRCULATES THROUGH GOVERNOR; CONTROL RETURNS SMOOTHLY</response>
      </item>
      <item type="action" index="9" tickable="true" memoryItem="false" indent="0" id="run-up-10">
        <text>Propeller control — after cycle confirm full forward</text>
        <response>FULL FORWARD FOR TAKEOFF</response>
      </item>
      <item type="action" index="10" tickable="true" memoryItem="false" indent="0" id="run-up-11">
        <text>Engine instruments at run-up power</text>
        <response>OIL PRESSURE, OIL TEMP, FUEL FLOW, AND CHT ALL WITHIN LIMITS</response>
      </item>
      <item type="action" index="11" tickable="true" memoryItem="false" indent="0" id="run-up-12">
        <text>Annunciator — all warning lights checked</text>
        <response>NO AMBER OR RED LIGHTS</response>
      </item>
      <item type="action" index="12" tickable="true" memoryItem="false" indent="0" id="run-up-13">
        <text>Throttle — reduce to idle after run-up check</text>
        <response>SMOOTH IDLE; ENGINE DOES NOT STUMBLE</response>
      </item>
      <item type="action" index="13" tickable="true" memoryItem="false" indent="0" id="run-up-14">
        <text>Landing gear handle — confirm DOWN position</text>
        <response>DOWN; THREE GREEN CONFIRMED</response>
      </item>
      <item type="action" index="14" tickable="true" memoryItem="false" indent="0" id="run-up-15">
        <text>Flaps — set for takeoff per POH</text>
        <response>TAKEOFF POSITION; INDICATOR CONFIRMED</response>
      </item>
      <item type="action" index="15" tickable="true" memoryItem="false" indent="0" id="run-up-16">
        <text>Car-style doors — fully latched and secured</text>
        <response>BOTH DOORS LATCHED</response>
      </item>
      <item type="action" index="16" tickable="true" memoryItem="false" indent="0" id="run-up-17">
        <text>Seat belts and shoulder harnesses — all occupants</text>
        <response>FASTENED</response>
      </item>
      <item type="action" index="17" tickable="true" memoryItem="false" indent="0" id="run-up-18">
        <text>Departure briefing — takeoff direction, abort speed, and emergency landing area</text>
        <response>BRIEFED</response>
      </item>
      <item type="action" index="18" tickable="true" memoryItem="false" indent="0" id="run-up-19">
        <text>Transponder</text>
        <response>ALT (mode C)</response>
      </item>
    </section>
    <section id="takeoff" phase="takeoff" criticality="normal">
      <title>Takeoff</title>
      <item type="action" index="0" tickable="true" memoryItem="false" indent="0" id="takeoff-1">
        <text>Runway — confirm clear and on correct runway heading</text>
        <response>CLEAR; CORRECT RUNWAY</response>
      </item>
      <item type="action" index="1" tickable="true" memoryItem="false" indent="0" id="takeoff-2">
        <text>Landing light</text>
        <response>ON</response>
      </item>
      <item type="action" index="2" tickable="true" memoryItem="false" indent="0" id="takeoff-3">
        <text>Mixture</text>
        <response>RICH OR PER POH FOR FIELD ELEVATION</response>
      </item>
      <item type="action" index="3" tickable="true" memoryItem="false" indent="0" id="takeoff-4">
        <text>Propeller control</text>
        <response>FULL FORWARD</response>
      </item>
      <item type="action" index="4" tickable="true" memoryItem="false" indent="0" id="takeoff-5">
        <text>Throttle (or single-lever control) — apply smoothly to full power</text>
        <response>FULL POWER; ENGINE INSTRUMENTS IN GREEN</response>
      </item>
      <item type="action" index="5" tickable="true" memoryItem="false" indent="0" id="takeoff-6">
        <text>Directional control during ground roll</text>
        <response>MAINTAIN RUNWAY CENTRELINE WITH RUDDER</response>
      </item>
      <item type="action" index="6" tickable="true" memoryItem="false" indent="0" id="takeoff-7">
        <text>Airspeed — confirm indication alive as speed builds</text>
        <response>ALIVE AND INCREASING</response>
      </item>
      <item type="action" index="7" tickable="true" memoryItem="false" indent="0" id="takeoff-8">
        <text>Rotate — lift off at rotation speed</text>
        <response>ROTATE SMOOTHLY PER POH</response>
      </item>
      <item type="action" index="8" tickable="true" memoryItem="false" indent="0" id="takeoff-9">
        <text>Landing gear — retract after positive rate of climb confirmed and runway is behind</text>
        <response>GEAR UP; INDICATOR CYCLES TO LIGHTS OUT</response>
      </item>
      <item type="action" index="9" tickable="true" memoryItem="false" indent="0" id="takeoff-10">
        <text>Flaps — retract after safe climb speed achieved per POH</text>
        <response>UP; INDICATOR CONFIRMED</response>
      </item>
    </section>
    <section id="climb" phase="climb" criticality="normal">
      <title>Climb</title>
      <item type="action" index="0" tickable="true" memoryItem="false" indent="0" id="climb-1">
        <text>Airspeed — establish climb speed per POH</text>
        <response>Vy OR Vx AS APPROPRIATE PER POH</response>
      </item>
      <item type="action" index="1" tickable="true" memoryItem="false" indent="0" id="climb-2">
        <text>Throttle and manifold pressure — set climb power</text>
        <response>CLIMB POWER PER POH</response>
      </item>
      <item type="action" index="2" tickable="true" memoryItem="false" indent="0" id="climb-3">
        <text>Propeller — set climb RPM per POH</text>
        <response>CLIMB RPM PER POH</response>
      </item>
      <item type="action" index="3" tickable="true" memoryItem="false" indent="0" id="climb-4">
        <text>Mixture — lean progressively as altitude increases per POH</text>
        <response>ADJUSTED PER POH AND EGT; ENRICHED AS NEEDED NEAR TRAFFIC PATTERN</response>
      </item>
      <item type="action" index="4" tickable="true" memoryItem="false" indent="0" id="climb-5">
        <text>Landing gear position — confirm up and lights extinguished</text>
        <response>UP; LIGHTS OUT</response>
      </item>
      <item type="action" index="5" tickable="true" memoryItem="false" indent="0" id="climb-6">
        <text>Flaps — confirm retracted</text>
        <response>UP; CONFIRMED</response>
      </item>
      <item type="action" index="6" tickable="true" memoryItem="false" indent="0" id="climb-7">
        <text>Engine instruments — oil pressure, oil temperature, CHT, and fuel flow</text>
        <response>ALL WITHIN NORMAL LIMITS PER POH</response>
      </item>
      <item type="action" index="7" tickable="true" memoryItem="false" indent="0" id="climb-8">
        <text>Fuel selector — monitor tank balance; switch per POH fuel management</text>
        <response>CORRECT TANK SELECTED</response>
      </item>
      <item type="action" index="8" tickable="true" memoryItem="false" indent="0" id="climb-9">
        <text>Altimeter and heading indicator</text>
        <response>SET AND CROSSCHECKED</response>
      </item>
    </section>
    <section id="cruise" phase="cruise" criticality="normal">
      <title>Cruise</title>
      <item type="action" index="0" tickable="true" memoryItem="false" indent="0" id="cruise-1">
        <text>Manifold pressure — set for cruise power</text>
        <response>CRUISE POWER PER POH</response>
      </item>
      <item type="action" index="1" tickable="true" memoryItem="false" indent="0" id="cruise-2">
        <text>Propeller RPM — set cruise RPM</text>
        <response>CRUISE RPM PER POH</response>
      </item>
      <item type="action" index="2" tickable="true" memoryItem="false" indent="0" id="cruise-3">
        <text>Mixture — lean to best power or best economy per operating conditions and altitude</text>
        <response>LEANED PER POH AND EGT INDICATION</response>
      </item>
      <item type="action" index="3" tickable="true" memoryItem="false" indent="0" id="cruise-4">
        <text>Fuel selector — alternate tanks at intervals per POH fuel management schedule</text>
        <response>APPROPRIATE TANK SELECTED; BALANCE MAINTAINED</response>
      </item>
      <item type="action" index="4" tickable="true" memoryItem="false" indent="0" id="cruise-5">
        <text>Engine instruments — periodic monitoring</text>
        <response>OIL PRESSURE, OIL TEMP, CHT, AND FUEL FLOW WITHIN LIMITS</response>
      </item>
      <item type="action" index="5" tickable="true" memoryItem="false" indent="0" id="cruise-6">
        <text>Fuel quantity — both tanks checked periodically</text>
        <response>ADEQUATE REMAINING; BOTH TANKS NOTED</response>
      </item>
      <item type="action" index="6" tickable="true" memoryItem="false" indent="0" id="cruise-7">
        <text>Trim — adjust all axes for hands-off cruise flight</text>
        <response>AIRCRAFT IN TRIM</response>
      </item>
      <item type="action" index="7" tickable="true" memoryItem="false" indent="0" id="cruise-8">
        <text>Navigation — position confirmed against flight plan</text>
        <response>ON COURSE; ESTIMATED TIMES UPDATED</response>
      </item>
      <item type="action" index="8" tickable="true" memoryItem="false" indent="0" id="cruise-9">
        <text>Weather — destination and alternate conditions reviewed enroute</text>
        <response>WEATHER ACCEPTABLE; ALTERNATE VIABLE IF REQUIRED</response>
      </item>
    </section>
    <section id="descent" phase="descent" criticality="normal">
      <title>Descent</title>
      <item type="action" index="0" tickable="true" memoryItem="false" indent="0" id="descent-1">
        <text>Mixture — enrich gradually as altitude decreases</text>
        <response>ENRICHED PER POH AND ALTITUDE</response>
      </item>
      <item type="action" index="1" tickable="true" memoryItem="false" indent="0" id="descent-2">
        <text>Power — reduce smoothly to avoid shock-cooling the cylinders</text>
        <response>DESCENT POWER PER POH; CHT COOLING RATE ACCEPTABLE</response>
      </item>
      <item type="action" index="2" tickable="true" memoryItem="false" indent="0" id="descent-3">
        <text>Fuel selector — confirm appropriate tank selected; NOT OFF</text>
        <response>LEFT OR RIGHT PER POH</response>
      </item>
      <item type="action" index="3" tickable="true" memoryItem="false" indent="0" id="descent-4">
        <text>Engine instruments — monitor throughout descent</text>
        <response>ALL WITHIN LIMITS</response>
      </item>
      <item type="action" index="4" tickable="true" memoryItem="false" indent="0" id="descent-5">
        <text>ATIS or destination weather — obtain and note runway in use</text>
        <response>INFORMATION RECEIVED; ALTIMETER SETTING NOTED</response>
      </item>
      <item type="action" index="5" tickable="true" memoryItem="false" indent="0" id="descent-6">
        <text>Altimeter — set to destination altimeter setting</text>
        <response>SET</response>
      </item>
      <item type="action" index="6" tickable="true" memoryItem="false" indent="0" id="descent-7">
        <text>Heading indicator — crosscheck and align with compass</text>
        <response>ALIGNED</response>
      </item>
      <item type="action" index="7" tickable="true" memoryItem="false" indent="0" id="descent-8">
        <text>Approach briefing — runway, expected pattern entry, and missed approach plan</text>
        <response>BRIEFED</response>
      </item>
    </section>
    <section id="before-landing" phase="before_landing" criticality="normal">
      <title>Before Landing</title>
      <item type="action" index="0" tickable="true" memoryItem="false" indent="0" id="before-landing-1">
        <text>Fuel selector — confirm appropriate tank selected; NOT OFF</text>
        <response>LEFT OR RIGHT PER POH; NOT OFF</response>
      </item>
      <item type="action" index="1" tickable="true" memoryItem="false" indent="0" id="before-landing-2">
        <text>Mixture</text>
        <response>RICH (or adjusted for field elevation per POH)</response>
      </item>
      <item type="action" index="2" tickable="true" memoryItem="false" indent="0" id="before-landing-3">
        <text>Propeller control — advance to full forward</text>
        <response>FULL FORWARD — HIGH RPM</response>
      </item>
      <item type="action" index="3" tickable="true" memoryItem="false" indent="0" id="before-landing-4">
        <text>Landing gear — extend at or below maximum gear extension speed per POH</text>
        <response>GEAR HANDLE DOWN; THREE GREEN CONFIRMED</response>
      </item>
      <item type="action" index="4" tickable="true" memoryItem="false" indent="0" id="before-landing-5">
        <text>Gear warning horn — verify audible when power is reduced to approach setting</text>
        <response>HORN SOUNDS WHEN THROTTLE REDUCED WITH GEAR UP</response>
      </item>
      <item type="action" index="5" tickable="true" memoryItem="false" indent="0" id="before-landing-6">
        <text>Flaps — extend for approach per POH</text>
        <response>FLAP POSITION SET; INDICATOR CONFIRMED</response>
      </item>
      <item type="action" index="6" tickable="true" memoryItem="false" indent="0" id="before-landing-7">
        <text>Seat belts and shoulder harnesses — all occupants</text>
        <response>FASTENED</response>
      </item>
      <item type="action" index="7" tickable="true" memoryItem="false" indent="0" id="before-landing-8">
        <text>Landing light</text>
        <response>ON</response>
      </item>
      <item type="action" index="8" tickable="true" memoryItem="false" indent="0" id="before-landing-9">
        <text>Car-style doors — confirm both fully latched before threshold</text>
        <response>LATCHED</response>
      </item>
    </section>
    <section id="gear-check" phase="approach" criticality="normal">
      <title>Gear Check</title>
      <item type="action" index="0" tickable="true" memoryItem="false" indent="0" id="gear-check-1">
        <text>Landing gear handle position</text>
        <response>DOWN</response>
      </item>
      <item type="action" index="1" tickable="true" memoryItem="false" indent="0" id="gear-check-2">
        <text>Gear position indicators — three green lights</text>
        <response>THREE GREEN — DOWN AND LOCKED CONFIRMED</response>
      </item>
      <item type="caution" index="2" tickable="false" memoryItem="false" indent="0" id="gear-check-3">
        <text>Verify three green gear lights on every approach. Gear-up landings are the most common class of retractable-gear accidents. Perform this check on every circuit, including touch-and-gos.</text>
      </item>
    </section>
    <section id="landing" phase="landing" criticality="normal">
      <title>Landing</title>
      <item type="action" index="0" tickable="true" memoryItem="false" indent="0" id="landing-1">
        <text>Final approach airspeed</text>
        <response>PER POH FOR WEIGHT AND FLAP CONFIGURATION</response>
      </item>
      <item type="action" index="1" tickable="true" memoryItem="false" indent="0" id="landing-2">
        <text>Three green gear lights — verify before crossing the threshold</text>
        <response>THREE GREEN CONFIRMED</response>
      </item>
      <item type="action" index="2" tickable="true" memoryItem="false" indent="0" id="landing-3">
        <text>Flaps — confirm selected landing position</text>
        <response>AT SELECTED POSITION; INDICATOR CONFIRMED</response>
      </item>
      <item type="action" index="3" tickable="true" memoryItem="false" indent="0" id="landing-4">
        <text>Runway alignment — track centreline throughout flare</text>
        <response>ON CENTRELINE</response>
      </item>
      <item type="action" index="4" tickable="true" memoryItem="false" indent="0" id="landing-5">
        <text>Touchdown — aim for smooth main-wheel contact then lower nose-wheel under control</text>
        <response>SMOOTH TOUCHDOWN; NOSE WHEEL LOWERED GRADUALLY</response>
      </item>
      <item type="action" index="5" tickable="true" memoryItem="false" indent="0" id="landing-6">
        <text>Brakes — apply after nose wheel is on the runway surface</text>
        <response>APPLIED SMOOTHLY AND EVENLY AS NEEDED</response>
      </item>
      <item type="action" index="6" tickable="true" memoryItem="false" indent="0" id="landing-7">
        <text>Mixture — retain rich through the landing roll for immediate go-around capability</text>
        <response>RICH</response>
      </item>
    </section>
    <section id="go-around" phase="go_around" criticality="normal">
      <title>Go-Around / Missed Approach</title>
      <item type="action" index="0" tickable="true" memoryItem="false" indent="0" id="go-around-1">
        <text>Throttle — apply full power smoothly</text>
        <response>FULL POWER</response>
      </item>
      <item type="action" index="1" tickable="true" memoryItem="false" indent="0" id="go-around-2">
        <text>Mixture</text>
        <response>RICH</response>
      </item>
      <item type="action" index="2" tickable="true" memoryItem="false" indent="0" id="go-around-3">
        <text>Propeller control</text>
        <response>FULL FORWARD</response>
      </item>
      <item type="action" index="3" tickable="true" memoryItem="false" indent="0" id="go-around-4">
        <text>Pitch — establish positive climb attitude; maintain control with rudder against increased torque</text>
        <response>CLIMB ATTITUDE; AIRSPEED TO Vy PER POH</response>
      </item>
      <item type="action" index="4" tickable="true" memoryItem="false" indent="0" id="go-around-5">
        <text>Flaps — retract incrementally per POH; avoid large flap retraction at once from full flap</text>
        <response>STAGED RETRACTION PER POH</response>
      </item>
      <item type="action" index="5" tickable="true" memoryItem="false" indent="0" id="go-around-6">
        <text>Landing gear — retract after positive rate of climb is established</text>
        <response>GEAR UP; CONFIRMED</response>
      </item>
      <item type="action" index="6" tickable="true" memoryItem="false" indent="0" id="go-around-7">
        <text>Airspeed — transition to normal climb speed once clear of obstacles</text>
        <response>PER POH</response>
      </item>
      <item type="action" index="7" tickable="true" memoryItem="false" indent="0" id="go-around-8">
        <text>ATC — advise of go-around intention as appropriate</text>
        <response>ADVISED</response>
      </item>
    </section>
    <section id="after-landing" phase="after_landing" criticality="normal">
      <title>After Landing</title>
      <item type="action" index="0" tickable="true" memoryItem="false" indent="0" id="after-landing-1">
        <text>Flaps</text>
        <response>RETRACT TO UP</response>
      </item>
      <item type="action" index="1" tickable="true" memoryItem="false" indent="0" id="after-landing-2">
        <text>Transponder</text>
        <response>STANDBY OR AS DIRECTED BY ATC</response>
      </item>
      <item type="action" index="2" tickable="true" memoryItem="false" indent="0" id="after-landing-3">
        <text>Landing light</text>
        <response>OFF OR AS DESIRED</response>
      </item>
      <item type="action" index="3" tickable="true" memoryItem="false" indent="0" id="after-landing-4">
        <text>Mixture — lean for taxi if operating on a long taxi at altitude per POH</text>
        <response>ADJUSTED AS APPROPRIATE PER POH</response>
      </item>
      <item type="action" index="4" tickable="true" memoryItem="false" indent="0" id="after-landing-5">
        <text>Fuel selector — note selected tank for shutdown planning</text>
        <response>CONFIRM SELECTED TANK</response>
      </item>
      <item type="action" index="5" tickable="true" memoryItem="false" indent="0" id="after-landing-6">
        <text>Brakes — test gently during initial movement off the runway</text>
        <response>EFFECTIVE</response>
      </item>
    </section>
    <section id="shutdown" phase="shutdown" criticality="normal">
      <title>Shutdown and Securing</title>
      <item type="action" index="0" tickable="true" memoryItem="false" indent="0" id="shutdown-1">
        <text>Parking brake</text>
        <response>SET</response>
      </item>
      <item type="action" index="1" tickable="true" memoryItem="false" indent="0" id="shutdown-2">
        <text>Avionics master switch</text>
        <response>OFF (before removing alternator from bus)</response>
      </item>
      <item type="action" index="2" tickable="true" memoryItem="false" indent="0" id="shutdown-3">
        <text>Throttle — reduce to idle and allow engine to cool for a brief period per POH</text>
        <response>IDLE; ENGINE COOLING</response>
      </item>
      <item type="action" index="3" tickable="true" memoryItem="false" indent="0" id="shutdown-4">
        <text>Mixture</text>
        <response>IDLE CUTOFF — pull to shutdown engine</response>
      </item>
      <item type="action" index="4" tickable="true" memoryItem="false" indent="0" id="shutdown-5">
        <text>Ignition switch — after propeller stops</text>
        <response>OFF</response>
      </item>
      <item type="action" index="5" tickable="true" memoryItem="false" indent="0" id="shutdown-6">
        <text>Master switch</text>
        <response>OFF</response>
      </item>
      <item type="action" index="6" tickable="true" memoryItem="false" indent="0" id="shutdown-7">
        <text>Fuel selector</text>
        <response>LEFT OR RIGHT (leave on selected tank or per POH / local procedures)</response>
      </item>
      <item type="action" index="7" tickable="true" memoryItem="false" indent="0" id="shutdown-8">
        <text>Control lock (if installed)</text>
        <response>INSTALLED</response>
      </item>
      <item type="action" index="8" tickable="true" memoryItem="false" indent="0" id="shutdown-9">
        <text>Pitot tube cover</text>
        <response>INSTALLED</response>
      </item>
      <item type="action" index="9" tickable="true" memoryItem="false" indent="0" id="shutdown-10">
        <text>Flight time — Hobbs and tachometer recorded</text>
        <response>LOGGED</response>
      </item>
      <item type="action" index="10" tickable="true" memoryItem="false" indent="0" id="shutdown-11">
        <text>Squawks and discrepancies — note any maintenance items</text>
        <response>REVIEWED; LOGGED AS NEEDED</response>
      </item>
      <item type="action" index="11" tickable="true" memoryItem="false" indent="0" id="shutdown-12">
        <text>Aircraft — tied down and chocked as conditions require</text>
        <response>SECURED</response>
      </item>
    </section>
  </sections>
</openChecklist>
