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