{
  "open_checklist_version": "1.0",
  "id": "beechcraft-baron-58-normal",
  "title": "Beechcraft Baron 58 — Normal Operating Procedures",
  "description": "Normal operating procedures for the Beechcraft Baron 58 with twin Continental IO-550 fuel-injected engines, constant-speed propellers, and retractable tricycle gear. Covers preflight walk-around through shutdown and securing. Each engine has its own fuel selector (LEFT / RIGHT / OFF) — verify the correct tank is selected for each engine before each phase. The IO-550 is fuel-injected; there is no carburetor heat. Counter-rotating propellers on the Baron cancel most P-factor at cruise power, but VMC and single-engine handling characteristics require type-specific training. All airspeeds, power settings, fuel quantities, manifold pressure values, and performance data must come from the specific aircraft POH. Not a substitute for qualified twin-engine instruction or Baron-specific checkout.",
  "aircraft": {
    "make": "Beechcraft",
    "model": "Baron",
    "variant": "58",
    "icao_type": "BE58",
    "category": "standard_normal",
    "engine": [
      {
        "make": "Continental",
        "model": "IO-550",
        "type": "piston_4stroke",
        "count": 2
      }
    ],
    "propeller": "constant_speed",
    "gear": "retractable"
  },
  "units": {
    "airspeed": "kt",
    "altitude": "ft",
    "fuel": "usgal",
    "weight": "lb",
    "pressure": "inhg",
    "temperature": "f"
  },
  "provenance": {
    "source": {
      "kind": "none",
      "notes": "No manufacturer document consulted. Written from general familiarity with the type."
    },
    "transcription": {
      "method": "authored",
      "tool": "claude-sonnet-4-6",
      "date": "2026-08-11"
    },
    "contributors": [
      {
        "name": "Open Checklists project",
        "role": [
          "author"
        ]
      }
    ],
    "revision": {
      "file_revision": "0.1.0",
      "updated": "2026-08-11"
    }
  },
  "verification": {
    "source_fidelity": "not_applicable",
    "operational_review": "none",
    "completeness": "normal_only",
    "known_issues": [
      {
        "severity": "safety_defect",
        "description": "Contains no airspeeds, power settings, fuel quantities, or other numerical limitations — all must come from the specific aircraft POH.",
        "location": "whole file"
      },
      {
        "severity": "content_gap",
        "description": "Equipment variations exist across Baron 58 airframes. Verify every item against the specific aircraft and its POH before use.",
        "location": "whole file"
      }
    ]
  },
  "rights": {
    "status": "original_expression",
    "corpus_license": "CC-BY-4.0",
    "redistribution": "attribution_required",
    "notes": "Manufacturer POH remains under copyright. This file does not reproduce its wording or selection of items."
  },
  "sections": [
    {
      "id": "preflight-inspection",
      "phase": "preflight_inspection",
      "title": "Preflight Walk-Around",
      "items": [
        {
          "type": "action",
          "text": "Aircraft documents (ARROW)",
          "response": "ON BOARD AND CURRENT",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Weight and balance — computed for planned load",
          "response": "WITHIN LIMITS PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Fuel quantity — visually inspect both tanks each wing; compare with fuel gauges",
          "response": "VERIFIED; ADEQUATE FOR FLIGHT PLUS REQUIRED RESERVES",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Fuel grade and appearance — sample all sump drains including nacelle sumps on both engines",
          "response": "CORRECT GRADE PER POH; CLEAR, NO WATER OR SEDIMENT",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Fuel caps — all filler ports",
          "response": "SEATED AND LOCKED SECURELY",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left engine oil level — dipstick pulled, checked, cap secured",
          "response": "WITHIN OPERATING RANGE PER POH; CAP SECURED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left engine compartment — fuel injection lines, oil lines, induction ducting, and wiring",
          "response": "NO LEAKS, CHAFING, OR LOOSE CONNECTIONS",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left engine induction air inlet and air filter",
          "response": "UNOBSTRUCTED; FILTER SERVICEABLE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left engine exhaust stacks and heat muffs",
          "response": "NO CRACKS, LOOSE CLAMPS, OR HEAVY CARBON DEPOSITS",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left engine cowling — all fasteners",
          "response": "CLOSED AND LATCHED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left propeller — both blades; leading edges, tips, and faces for nicks, cracks, or erosion",
          "response": "SERVICEABLE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left propeller spinner and back plate",
          "response": "SECURE; NO CRACKS OR LOOSE SCREWS",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left main gear — strut extension, torque links, tire condition and inflation, brake assembly, and gear doors",
          "response": "STRUT NORMAL; TIRE SERVICEABLE; BRAKES ADEQUATE; DOORS UNDAMAGED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left wing leading edge and upper/lower skin",
          "response": "NO DEFORMATION, FUEL STAINING, OR IMPACT DAMAGE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left fuel filler cap and wing vent",
          "response": "CAP LOCKED; VENT CLEAR",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left aileron — hinges, control rod, balance weight, and travel",
          "response": "SECURE; FULL AND FREE MOVEMENT",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left flap — hinge pins, actuator linkage, and condition",
          "response": "SECURE; NO DAMAGE OR PLAY",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left wingtip — nav light and strobe lens",
          "response": "UNDAMAGED; LENS INTACT",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Nose gear — strut extension, torque links, shimmy damper, and nose tire",
          "response": "STRUT INFLATED NORMALLY; TIRE SERVICEABLE; HARDWARE SECURE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Nose gear doors and retraction linkage visible through wheel well",
          "response": "NO DAMAGE; LINKAGE INTACT",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Pitot tube — cover removed, inlet clear of obstructions and insects",
          "response": "COVER REMOVED; UNOBSTRUCTED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Static ports — fuselage ports on both sides",
          "response": "CLEAR AND UNOBSTRUCTED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Fuselage — skin condition, antennas, ELT, cabin entry door latched, pilot door seals",
          "response": "NO DAMAGE; ANTENNAS SECURE; DOORS LATCHED",
          "tickable": true
        },
        {
          "type": "note",
          "text": "The Baron 58 has a separate aft cabin entry door on the right side — inspect its latch and seal as well as the forward pilot door.",
          "tickable": false
        },
        {
          "type": "action",
          "text": "Horizontal stabilizer, elevator, and trim tab — both sides",
          "response": "UNDAMAGED; HINGES SECURE; NO EXCESSIVE PLAY",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Vertical stabilizer and rudder — hinges and travel",
          "response": "UNDAMAGED; FREE MOVEMENT",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Tail lighting — nav and beacon",
          "response": "LENS INTACT AND SECURE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "ELT — armed switch position and antenna connection",
          "response": "ARMED; ANTENNA CONNECTED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right main gear — strut, tire, brakes, and gear doors",
          "response": "STRUT NORMAL; TIRE SERVICEABLE; BRAKES ADEQUATE; DOORS UNDAMAGED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right flap and right aileron — condition and full travel",
          "response": "SECURE; FULL AND FREE MOVEMENT; NO DAMAGE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right wing leading edge, fuel cap, and vent",
          "response": "NO DAMAGE; CAP LOCKED; VENT CLEAR",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right wingtip — nav light and strobe lens",
          "response": "UNDAMAGED; LENS INTACT",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right engine oil level — dipstick pulled, checked, cap secured",
          "response": "WITHIN OPERATING RANGE PER POH; CAP SECURED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right engine compartment — fuel injection lines, oil lines, induction ducting, and wiring",
          "response": "NO LEAKS, CHAFING, OR LOOSE CONNECTIONS",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right engine induction air inlet and air filter",
          "response": "UNOBSTRUCTED; FILTER SERVICEABLE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right engine exhaust stacks and heat muffs",
          "response": "NO CRACKS, LOOSE CLAMPS, OR HEAVY CARBON DEPOSITS",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right engine cowling — all fasteners",
          "response": "CLOSED AND LATCHED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right propeller — both blades; leading edges, tips, and faces",
          "response": "SERVICEABLE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right propeller spinner and back plate",
          "response": "SECURE; NO CRACKS OR LOOSE SCREWS",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Tiedowns, chocks, and any external gust locks",
          "response": "ALL REMOVED",
          "tickable": true
        }
      ]
    },
    {
      "id": "before-start",
      "phase": "before_start",
      "title": "Cockpit Preparation / Before Start",
      "items": [
        {
          "type": "action",
          "text": "POH — aboard and accessible to crew",
          "response": "ON BOARD",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Seats — position adjusted, seat-back locked; seat belts and shoulder harnesses for all occupants",
          "response": "ADJUSTED, LOCKED, AND FASTENED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Control lock",
          "response": "REMOVED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Flight controls — full travel check for freedom of movement",
          "response": "FREE AND CORRECT",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Avionics master switch",
          "response": "OFF (prior to applying battery power)",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Master switch (battery)",
          "response": "ON",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Fuel quantity gauges — both engines",
          "response": "CHECK; CONSISTENT WITH VISUAL INSPECTION",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Annunciator panel — press-to-test",
          "response": "ALL LAMPS ILLUMINATE ON TEST; NONE REMAIN LIT",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Landing gear position indicators",
          "response": "THREE GREEN; DOWN-AND-LOCKED CONFIRMED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Gear warning horn — throttles retarded, confirm audible warning",
          "response": "HORN SOUNDS",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left fuel selector",
          "response": "LEFT TANK (or fullest tank per POH; NOT OFF)",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right fuel selector",
          "response": "RIGHT TANK (or fullest tank per POH; NOT OFF)",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Elevator trim",
          "response": "SET FOR TAKEOFF PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Rudder trim",
          "response": "SET NEUTRAL OR PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Aileron trim",
          "response": "SET NEUTRAL OR PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Flaps",
          "response": "UP — confirmed on position indicator",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Propeller controls — both",
          "response": "FULL FORWARD (high RPM)",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Mixture controls — both",
          "response": "RICH (or as required for field elevation per POH)",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Throttles — both",
          "response": "CLOSED; THEN CRACKED SLIGHTLY OPEN",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Parking brake",
          "response": "SET",
          "tickable": true
        }
      ]
    },
    {
      "id": "engine-start",
      "phase": "engine_start",
      "title": "Engine Start",
      "items": [
        {
          "type": "action",
          "text": "Area around aircraft — clear of persons and obstructions on both sides",
          "response": "CLEAR",
          "tickable": true
        },
        {
          "type": "caution",
          "text": "The IO-550 engines are fuel-injected. Use the hot-start and cold-start procedures from the POH — priming with the boost pump followed by a specific throttle position differs between hot and cold conditions.",
          "tickable": false
        },
        {
          "type": "action",
          "text": "Left fuel selector",
          "response": "LEFT TANK — CONFIRMED ON",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left mixture",
          "response": "RICH (or as required per POH)",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left boost pump — energise briefly to prime per POH cold-start procedure",
          "response": "ON MOMENTARILY; FUEL FLOW INDICATED; THEN OFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left throttle",
          "response": "CRACKED OPEN PER POH START SETTING",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left ignition switch",
          "response": "START — engage starter",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left oil pressure — confirm pressure rise after start",
          "response": "RISING; WITHIN LIMITS PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left throttle — after engine fires",
          "response": "REDUCE TO IDLE PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right fuel selector",
          "response": "RIGHT TANK — CONFIRMED ON",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right mixture",
          "response": "RICH (or as required per POH)",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right boost pump — energise briefly to prime per POH cold-start procedure",
          "response": "ON MOMENTARILY; FUEL FLOW INDICATED; THEN OFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right throttle",
          "response": "CRACKED OPEN PER POH START SETTING",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right ignition switch",
          "response": "START — engage starter",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right oil pressure — confirm pressure rise after start",
          "response": "RISING; WITHIN LIMITS PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right throttle — after engine fires",
          "response": "REDUCE TO IDLE PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Avionics master switch",
          "response": "ON",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Alternators — both; confirm charging indication",
          "response": "BOTH CHARGING; LOADMETERS INDICATING NORMALLY",
          "tickable": true
        }
      ]
    },
    {
      "id": "after-start",
      "phase": "after_start",
      "title": "After Start / Before Taxi",
      "items": [
        {
          "type": "action",
          "text": "Oil pressures and oil temperatures — both engines",
          "response": "WITHIN NORMAL RANGE PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Engine instruments — vacuum, fuel flow, CHT, both engines",
          "response": "ALL INDICATING NORMALLY",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Annunciator panel — confirm no warning lights remain",
          "response": "CLEAR",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Flight instruments — altimeter, heading indicator, attitude indicator, VSI",
          "response": "ALTIMETER SET; GYROS ERECTING; INSTRUMENTS ALIVE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Heading indicator — aligned with magnetic compass",
          "response": "ALIGNED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Navigation and communication radios — all sets",
          "response": "FREQUENCIES SET; VOLUMES ADJUSTED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Transponder",
          "response": "CODE SET; IN STANDBY",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Taxi and position lights as required",
          "response": "ON",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Parking brake",
          "response": "RELEASE WHEN READY TO TAXI",
          "tickable": true
        }
      ]
    },
    {
      "id": "before-takeoff",
      "phase": "before_takeoff",
      "title": "Run-Up / Before Takeoff",
      "items": [
        {
          "type": "action",
          "text": "Parking brake",
          "response": "SET",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Flight controls — full travel sweep",
          "response": "FREE AND CORRECT",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Trim tabs — elevator, rudder, and aileron",
          "response": "SET FOR TAKEOFF PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left fuel selector",
          "response": "LEFT TANK OR PER POH; CONFIRM NOT OFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right fuel selector",
          "response": "RIGHT TANK OR PER POH; CONFIRM NOT OFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Mixtures — both engines",
          "response": "RICH (or as required for field elevation per POH)",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Engine run-up — advance both throttles together to run-up power per POH",
          "response": "RPM STABILISED AT RUN-UP SETTING ON BOTH ENGINES",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left magneto check — select LEFT, then RIGHT, then BOTH",
          "response": "RPM DROP ON EACH MAG WITHIN LIMITS PER POH; SPREAD ACCEPTABLE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right magneto check — select LEFT, then RIGHT, then BOTH",
          "response": "RPM DROP ON EACH MAG WITHIN LIMITS PER POH; SPREAD ACCEPTABLE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left propeller cycle — advance to full forward, reduce RPM to observe drop, advance back to full forward",
          "response": "RPM DROP NOTED; OIL CIRCULATING; CONTROL RETURNS SMOOTHLY",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right propeller cycle — advance to full forward, reduce RPM to observe drop, advance back to full forward",
          "response": "RPM DROP NOTED; OIL CIRCULATING; CONTROL RETURNS SMOOTHLY",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Propeller controls — after cycling, both",
          "response": "FULL FORWARD (high RPM) FOR TAKEOFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Engine instruments at run-up power — both engines",
          "response": "OIL PRESSURE, OIL TEMP, FUEL FLOW, AND CHT ALL WITHIN LIMITS",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Annunciator panel",
          "response": "NO AMBER OR RED LIGHTS",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Throttles — reduce to idle after run-up",
          "response": "SMOOTH IDLE ON BOTH ENGINES",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Landing gear handle — confirm DOWN position",
          "response": "DOWN; THREE GREEN INDICATORS",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Flaps — set for takeoff",
          "response": "TAKEOFF POSITION PER POH; INDICATOR CONFIRMED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Doors — pilot door and cabin entry door",
          "response": "LATCHED AND SECURED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Seat belts and shoulder harnesses — all occupants",
          "response": "FASTENED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Boost pumps — both, as required for takeoff per POH",
          "response": "ON OR OFF PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Takeoff briefing — engine failure procedure, abort point, Vmc and Vyse review",
          "response": "COMPLETED",
          "tickable": true
        }
      ]
    },
    {
      "id": "takeoff",
      "phase": "takeoff",
      "title": "Takeoff",
      "items": [
        {
          "type": "action",
          "text": "Strobes and landing lights",
          "response": "ON",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Transponder",
          "response": "ALT (or ON for non-Mode-C)",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Throttles — advance smoothly to full takeoff power, both engines together",
          "response": "FULL POWER; POWER SYMMETRIC",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Engine instruments — brief crosscheck during roll",
          "response": "MANIFOLD PRESSURE, RPM, AND FUEL FLOW NORMAL BOTH ENGINES",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Rotation — at rotation speed per POH",
          "response": "ROTATE SMOOTHLY",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Landing gear — after positive rate of climb established",
          "response": "GEAR UP; THREE GREEN EXTINGUISHED; GEAR-IN-TRANSIT LIGHT OUT",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Airspeed — climb at or above Vmc; target Vy or Vx per POH",
          "response": "POSITIVE CLIMB CONFIRMED",
          "tickable": true
        }
      ]
    },
    {
      "id": "climb",
      "phase": "climb",
      "title": "Climb",
      "items": [
        {
          "type": "action",
          "text": "Airspeed — establish climb speed per POH",
          "response": "ON SPEED PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Power — set climb power per POH (manifold pressure and RPM)",
          "response": "CLIMB POWER SET BOTH ENGINES",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Mixtures — adjust per POH for altitude and climb power",
          "response": "ADJUSTED PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Boost pumps — off when clear of traffic area per POH",
          "response": "OFF PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Flaps — retract on schedule per POH if takeoff flaps used",
          "response": "UP; CONFIRMED ON INDICATOR",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Engine instruments — monitor both engines throughout climb",
          "response": "OIL PRESSURE, OIL TEMP, CHT, AND FUEL FLOW WITHIN LIMITS",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Fuel balance — check both tank gauges; consider switching tanks if imbalance developing",
          "response": "WITHIN BALANCE LIMITS PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Altimeter — set to current altimeter setting; transition to 29.92 at transition altitude as applicable",
          "response": "SET",
          "tickable": true
        }
      ]
    },
    {
      "id": "cruise",
      "phase": "cruise",
      "title": "Cruise",
      "items": [
        {
          "type": "action",
          "text": "Power — set cruise power per POH (manifold pressure then RPM)",
          "response": "CRUISE POWER SET; BOTH ENGINES MATCHED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Mixtures — lean per POH for cruise altitude and power setting",
          "response": "LEANED TO PEAK EGT OR PER POH PROCEDURE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Fuel selectors — confirm tank selection per POH fuel management schedule",
          "response": "CORRECT TANKS SELECTED; NEITHER SELECTOR IN OFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Engine instruments — both engines; oil pressure, oil temp, fuel flow, CHT, EGT",
          "response": "ALL WITHIN NORMAL CRUISE LIMITS PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Fuel quantities — both tanks; compute remaining endurance and compare with plan",
          "response": "FUEL BURN CONSISTENT WITH PLANNED CONSUMPTION",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Alternators and electrical load — both bus voltages and load indicators",
          "response": "BOTH ALTERNATORS CHARGING; LOADS BALANCED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Vacuum / suction gauge — confirm pressure within operating range",
          "response": "WITHIN LIMITS PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Autopilot — engage if desired after aircraft is in trim",
          "response": "ENGAGED OR HAND FLYING",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Outside air temperature — monitor for icing conditions",
          "response": "NOTED; NO ICING CONDITIONS INDICATED",
          "tickable": true
        }
      ]
    },
    {
      "id": "descent",
      "phase": "descent",
      "title": "Descent",
      "items": [
        {
          "type": "action",
          "text": "Fuel selectors — both engines; confirm active tanks have adequate fuel for approach and alternate",
          "response": "TANK SELECTION CONFIRMED; FUEL ADEQUATE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Mixtures — enrich per POH as altitude decreases",
          "response": "ADJUSTED FOR ALTITUDE PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Power — reduce gradually; avoid shock-cooling by keeping power changes gentle",
          "response": "DESCENT POWER SET PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Engine instruments — confirm CHT not falling below limits during descent",
          "response": "CHT WITHIN RANGE PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Altimeter — set to current destination altimeter setting",
          "response": "SET",
          "tickable": true
        },
        {
          "type": "action",
          "text": "ATIS / destination weather — obtain and brief",
          "response": "OBTAINED; RUNWAY AND APPROACH TYPE NOTED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Avionics — communications and navigation frequencies set for arrival",
          "response": "SET",
          "tickable": true
        }
      ]
    },
    {
      "id": "before-landing",
      "phase": "before_landing",
      "title": "Before Landing",
      "items": [
        {
          "type": "action",
          "text": "Fuel selectors — both engines; fullest available tank or per POH",
          "response": "CORRECT TANKS CONFIRMED; NOT OFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Mixtures — both engines; rich for landing",
          "response": "RICH (or adjusted for field elevation per POH)",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Propellers — both controls full forward for maximum RPM availability",
          "response": "FULL FORWARD",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Boost pumps — both; on for approach per POH",
          "response": "ON PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Landing gear — DOWN at or below gear extension speed per POH",
          "response": "GEAR DOWN; THREE GREEN; HORN SILENT",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Flaps — extend to landing position at or below flap extension speed per POH",
          "response": "FLAPS SET PER POH; INDICATOR CONFIRMED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Seat belts and shoulder harnesses — all occupants",
          "response": "FASTENED AND SNUG",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Landing lights",
          "response": "ON",
          "tickable": true
        }
      ]
    },
    {
      "id": "gear-check",
      "phase": "before_landing",
      "title": "Gear Check — Final",
      "items": [
        {
          "type": "action",
          "text": "Landing gear handle position",
          "response": "DOWN",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Three green gear-down indicator lights",
          "response": "ALL THREE GREEN ILLUMINATED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Gear warning horn — confirm silent at approach power; if sounding, verify gear handle is down",
          "response": "SILENT (GEAR DOWN AND LOCKED)",
          "tickable": true
        }
      ]
    },
    {
      "id": "landing",
      "phase": "landing",
      "title": "Landing",
      "items": [
        {
          "type": "action",
          "text": "Final approach — stabilised on speed per POH",
          "response": "ON SPEED AND GLIDEPATH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Gear — confirm three green on short final",
          "response": "THREE GREEN",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Flares and touchdown — round out over the runway threshold; land on main gear first",
          "response": "SMOOTH TOUCHDOWN",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Throttles — retard to idle at touchdown",
          "response": "CLOSED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Brakes — apply smoothly after mains are firmly on the runway",
          "response": "APPLIED AS NEEDED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Directional control — maintain centreline with rudder; use nosewheel steering once speed permits",
          "response": "CONTROLLED",
          "tickable": true
        }
      ]
    },
    {
      "id": "go-around",
      "phase": "go_around",
      "title": "Go-Around / Missed Approach",
      "items": [
        {
          "type": "action",
          "text": "Throttles — advance smoothly to full takeoff power on both engines simultaneously",
          "response": "FULL POWER",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Pitch — establish a climb attitude; airspeed at or above Vmc immediately",
          "response": "POSITIVE CLIMB ATTITUDE; AIRSPEED ABOVE VMC",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Flaps — retract to takeoff position on first increment per POH",
          "response": "TAKEOFF FLAP SETTING",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Landing gear — retract after positive rate of climb established",
          "response": "GEAR UP; IN TRANSIT CONFIRMED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Flaps — retract fully after obstacle clearance and positive climb confirmed",
          "response": "UP",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Airspeed — accelerate to Vy per POH once clear of obstacles",
          "response": "VY PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "ATC — advise of go-around and intentions",
          "response": "NOTIFIED",
          "tickable": true
        }
      ]
    },
    {
      "id": "after-landing",
      "phase": "after_landing",
      "title": "After Landing",
      "items": [
        {
          "type": "action",
          "text": "Flaps",
          "response": "RETRACT — UP",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Boost pumps — both",
          "response": "OFF (unless POH specifies otherwise)",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Transponder",
          "response": "STANDBY OR AS APPROPRIATE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Landing lights",
          "response": "OFF OR TAXI SETTING AS REQUIRED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Mixtures — both engines; adjust to rich for taxi as appropriate",
          "response": "RICH FOR TAXI (OR PER POH)",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Brakes — test gently during taxi clear of runway",
          "response": "EFFECTIVE",
          "tickable": true
        }
      ]
    },
    {
      "id": "shutdown",
      "phase": "shutdown",
      "title": "Engine Shutdown and Securing",
      "items": [
        {
          "type": "action",
          "text": "Parking brake",
          "response": "SET",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Avionics master switch",
          "response": "OFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Electrical loads — non-essential switches",
          "response": "OFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Engine cooling — run both engines at idle for a brief cooling period per POH before shutdown",
          "response": "COOL-DOWN PERIOD COMPLETE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left mixture — pull to idle cutoff to stop left engine",
          "response": "IDLE CUTOFF; ENGINE STOPS",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Left ignition switch — off after engine stops",
          "response": "OFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right mixture — pull to idle cutoff to stop right engine",
          "response": "IDLE CUTOFF; ENGINE STOPS",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Right ignition switch — off after engine stops",
          "response": "OFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Master switch",
          "response": "OFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Fuel selectors — both",
          "response": "OFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Control lock",
          "response": "INSTALLED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Doors — pilot door and cabin entry door",
          "response": "SECURED; WINDOWS CLOSED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Tiedowns and chocks",
          "response": "INSTALLED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Pitot tube cover",
          "response": "INSTALLED",
          "tickable": true
        }
      ]
    }
  ]
}