{
  "open_checklist_version": "1.0",
  "id": "piper-pa44-180-emergency",
  "title": "Piper PA-44-180 Seminole — Emergency Procedures",
  "description": "Emergency procedures for the Piper PA-44-180 Seminole twin-engine trainer. Covers engine failure, engine fire, electrical emergencies, oil pressure loss, gear malfunctions, and single-engine operations. Memory items are marked and must be completed before consulting this checklist. The Seminole has counter-rotating propellers with no critical engine; single-engine performance is identical regardless of which engine fails. Each engine is fed by its own independent fuel system; the Seminole does not have crossfeed capability in standard configuration — consult the specific aircraft POH. All airspeeds (including Vyse/blue line and Vsse) must come from the POH. This document does not substitute for multi-engine training with a qualified instructor.",
  "aircraft": {
    "make": "Piper",
    "model": "PA-44-180",
    "variant": "Seminole",
    "icao_type": "PA44",
    "category": "standard_normal",
    "engine": [
      {
        "make": "Lycoming",
        "model": "O-360",
        "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": "partial",
    "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. Vyse (blue line) is the single most critical speed in engine-out operations and must be known before flight.",
        "location": "whole file"
      },
      {
        "severity": "content_gap",
        "description": "Equipment variations exist across PA-44-180 airframes. Verify items against the specific aircraft before use. Some aircraft may have crossfeed capability not reflected here.",
        "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": "engine-failure-takeoff",
      "phase": "engine_failure_before_rotation",
      "title": "Engine Failure on Takeoff — Before or at Rotation",
      "criticality": "emergency",
      "condition": "Engine failure during the takeoff roll or at the moment of rotation",
      "items": [
        {
          "type": "warning",
          "text": "An engine failure before reaching Vmc or Vyse with gear in transit is almost certainly not survivable as a continued takeoff. Abort unless airborne with positive control and altitude.",
          "tickable": false
        },
        {
          "type": "action",
          "id": "eft-1",
          "text": "Throttles — both engines, close immediately",
          "response": "CLOSED",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "eft-2",
          "text": "Brakes — apply firmly and progressively to stop on remaining runway",
          "response": "MAXIMUM BRAKING AS REQUIRED",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "eft-3",
          "text": "Mixture controls — both engines, idle cutoff",
          "response": "IDLE CUTOFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "eft-4",
          "text": "Fuel selectors — both engines, off",
          "response": "OFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "eft-5",
          "text": "Ignition switches — both engines, off",
          "response": "OFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "eft-6",
          "text": "Master switch",
          "response": "OFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "text": "Evacuate aircraft if fire or other hazard present",
          "response": "AS REQUIRED",
          "tickable": true
        }
      ]
    },
    {
      "id": "engine-failure-after-takeoff",
      "phase": "engine_failure_after_takeoff",
      "title": "Engine Failure — After Liftoff (Airborne)",
      "criticality": "emergency",
      "condition": "Engine failure after becoming airborne; aircraft below safe single-engine maneuvering altitude",
      "items": [
        {
          "type": "warning",
          "text": "Below Vyse and below a safe altitude, attempting to maintain flight on one engine may be impossible. A straight-ahead landing on available terrain may be the only survivable option. Do not attempt to turn back to the field below a safe altitude.",
          "tickable": false
        },
        {
          "type": "action",
          "id": "efat-1",
          "text": "Airspeed — establish and maintain Vyse (blue line) or best available",
          "response": "VYSE PER POH",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efat-2",
          "text": "Operating engine — advance throttle to full power",
          "response": "FULL POWER ON OPERATING ENGINE",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efat-3",
          "text": "Dead engine — identify by direction of yaw and failed gauges (dead foot — dead engine)",
          "response": "IDENTIFIED",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efat-4",
          "text": "Dead engine propeller — feather by advancing prop control to full forward then pulling to feather",
          "response": "FEATHERED",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efat-5",
          "text": "Landing gear — retract to reduce drag",
          "response": "GEAR UP",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efat-6",
          "text": "Flaps — retract if extended",
          "response": "RETRACTED PER POH",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "text": "Bank — 5 degrees toward the operating engine; maintain with rudder",
          "response": "5 DEGREES INTO GOOD ENGINE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Continue with Engine Failure in Flight checklist to secure failed engine",
          "response": "PROCEED TO ENGINE FAILURE IN FLIGHT",
          "tickable": true
        }
      ]
    },
    {
      "id": "engine-failure-in-flight",
      "phase": "engine_failure_in_flight",
      "title": "Engine Failure in Flight — Identify / Verify / Feather / Secure",
      "criticality": "emergency",
      "condition": "One engine loses power or stops during cruise or other in-flight phases",
      "items": [
        {
          "type": "note",
          "text": "The four-step memory sequence is: IDENTIFY — VERIFY — FEATHER — SECURE. Complete all four steps before consulting the written checklist.",
          "tickable": false
        },
        {
          "type": "action",
          "id": "efif-1",
          "text": "IDENTIFY — dead foot, dead engine: the foot with less or no rudder pressure is on the same side as the failed engine",
          "response": "FAILED ENGINE IDENTIFIED",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efif-2",
          "text": "VERIFY — advance throttle on the identified dead engine; confirm no power response and gauges confirm failure",
          "response": "NO POWER; FAILURE CONFIRMED",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efif-3",
          "text": "FEATHER — move propeller control of the failed engine to feather",
          "response": "FEATHERED; PROP STOPPED OR SLOWING",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efif-4",
          "text": "Airspeed — establish and maintain Vyse (blue line) or best climb/glide speed per POH",
          "response": "VYSE MAINTAINED PER POH",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "text": "Bank — 5 degrees toward the operating engine to minimize rudder workload",
          "response": "5 DEGREES INTO GOOD ENGINE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Operating engine — confirm full power set",
          "response": "FULL POWER",
          "tickable": true
        },
        {
          "type": "subtitle",
          "text": "SECURE the failed engine:",
          "tickable": false
        },
        {
          "type": "action",
          "id": "efif-5",
          "text": "SECURE — throttle on failed engine",
          "response": "CLOSED",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efif-6",
          "text": "SECURE — mixture on failed engine",
          "response": "IDLE CUTOFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efif-7",
          "text": "SECURE — fuel selector on failed engine",
          "response": "OFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efif-8",
          "text": "SECURE — magnetos on failed engine",
          "response": "OFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "text": "Alternator on failed engine",
          "response": "OFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Cowl flap on failed engine — as required per POH",
          "response": "AS REQUIRED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Declare emergency if appropriate — advise ATC of single-engine condition",
          "response": "SQUAWK 7700; DECLARE EMERGENCY AS APPROPRIATE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Divert — plan landing at nearest suitable airport; do not delay",
          "response": "NEAREST AIRPORT SELECTED; DIVERTING",
          "tickable": true
        }
      ]
    },
    {
      "id": "engine-fire-in-flight",
      "phase": "engine_fire_in_flight",
      "title": "Engine Fire in Flight",
      "criticality": "emergency",
      "condition": "Fire warning light, flames, smoke, or unusual odor indicating an engine fire while airborne",
      "items": [
        {
          "type": "action",
          "id": "efif-fire-1",
          "text": "Throttle — affected engine, close immediately",
          "response": "CLOSED",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efif-fire-2",
          "text": "Fuel selector — affected engine, OFF",
          "response": "OFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efif-fire-3",
          "text": "Mixture — affected engine, IDLE CUTOFF",
          "response": "IDLE CUTOFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efif-fire-4",
          "text": "Propeller — affected engine, FEATHER",
          "response": "FEATHERED",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "text": "Magnetos — affected engine, OFF",
          "response": "OFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Alternator — affected engine, OFF",
          "response": "OFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Airspeed — increase if possible to help extinguish fire by airflow; do not exceed Vne",
          "response": "INCREASED; WITHIN LIMITS",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Fire extinguisher — use if fire enters cabin",
          "response": "AS REQUIRED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "If fire extinguished — execute single-engine approach; do not restart the engine",
          "response": "LAND AT NEAREST AIRPORT",
          "tickable": true
        },
        {
          "type": "action",
          "text": "If fire not extinguished — execute emergency descent; prepare for forced landing",
          "response": "EMERGENCY DESCENT; LAND IMMEDIATELY",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Declare emergency — ATC notified",
          "response": "MAYDAY DECLARED; ATC NOTIFIED",
          "tickable": true
        }
      ]
    },
    {
      "id": "engine-fire-ground",
      "phase": "engine_fire_ground",
      "title": "Engine Fire on Ground",
      "criticality": "emergency",
      "condition": "Fire in engine compartment during start or while taxiing",
      "items": [
        {
          "type": "action",
          "id": "efg-1",
          "text": "Throttle — affected engine, open briefly to draw fire back into intake, then close",
          "response": "OPENED BRIEFLY THEN CLOSED",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efg-2",
          "text": "Mixture — affected engine, IDLE CUTOFF",
          "response": "IDLE CUTOFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efg-3",
          "text": "Fuel selector — affected engine, OFF",
          "response": "OFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efg-4",
          "text": "Ignition — affected engine, OFF",
          "response": "OFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efg-5",
          "text": "Master switch",
          "response": "OFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "text": "Evacuate aircraft immediately; move upwind",
          "response": "EVACUATED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Fire extinguisher — use if trained; do not approach a fully involved engine fire",
          "response": "AS ABLE AND SAFE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Emergency services — notify airport fire department",
          "response": "NOTIFIED",
          "tickable": true
        }
      ]
    },
    {
      "id": "electrical-fire",
      "phase": "electrical_fire",
      "title": "Electrical Fire / Smoke in Cockpit",
      "criticality": "emergency",
      "condition": "Burning smell, smoke, or visible arcing from electrical equipment",
      "items": [
        {
          "type": "action",
          "id": "elfire-1",
          "text": "Master switch",
          "response": "OFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "elfire-2",
          "text": "Avionics master",
          "response": "OFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "elfire-3",
          "text": "All electrical switches and circuit breakers",
          "response": "OFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "text": "Vents — open to clear smoke from cockpit; consider passenger oxygen if smoke is heavy",
          "response": "OPEN AS APPROPRIATE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Fire extinguisher — discharge if fire is visible",
          "response": "AS REQUIRED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "If smoke clears — systematically restore essential electrical items one at a time to isolate the faulty circuit",
          "response": "RESTORE SELECTIVELY",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Land at nearest suitable airport",
          "response": "DIVERTING",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Declare emergency and notify ATC",
          "response": "MAYDAY DECLARED; ATC NOTIFIED",
          "tickable": true
        }
      ]
    },
    {
      "id": "oil-pressure-loss",
      "phase": "oil_system_malfunction",
      "title": "Loss of Oil Pressure — One Engine",
      "criticality": "emergency",
      "condition": "Oil pressure gauge on one engine reads in the yellow or red arc, or oil pressure warning light illuminates",
      "items": [
        {
          "type": "caution",
          "text": "Low oil pressure may precede engine failure by a short time. Begin planning for single-engine operations immediately. Do not wait for the engine to fail.",
          "tickable": false
        },
        {
          "type": "action",
          "id": "oilp-1",
          "text": "Identify affected engine — note which oil pressure gauge is reading low",
          "response": "IDENTIFIED",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "text": "Oil temperature — check; rising temperature confirms oil loss or internal failure",
          "response": "MONITORED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Power on affected engine — reduce to minimum required to maintain flight; do not shut down prematurely unless failure is imminent",
          "response": "REDUCED PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Airspeed — prepare to establish Vyse if engine fails",
          "response": "READY TO ESTABLISH VYSE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Nearest suitable airport — identify and divert; do not continue to planned destination",
          "response": "DIVERTING IMMEDIATELY",
          "tickable": true
        },
        {
          "type": "action",
          "text": "If engine seizes or fails — execute engine failure in flight procedures",
          "response": "EXECUTE ENGINE FAILURE CHECKLIST",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Declare emergency and notify ATC",
          "response": "MAYDAY OR PAN-PAN DECLARED; ATC NOTIFIED",
          "tickable": true
        }
      ]
    },
    {
      "id": "carburetor-ice",
      "phase": "carburetor_icing",
      "title": "Carburetor Ice — One or Both Engines",
      "criticality": "abnormal",
      "condition": "Unexplained loss of RPM or rough running, especially in humid conditions or when reducing power",
      "items": [
        {
          "type": "note",
          "text": "The O-360 is a carbureted engine. Carburetor ice can form at temperatures well above freezing in humid conditions. Partial ice may cause rough running before total power loss.",
          "tickable": false
        },
        {
          "type": "action",
          "text": "Affected engine — apply full carburetor heat immediately; do not cycle on and off",
          "response": "FULL HEAT APPLIED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Carburetor heat — expect a momentary further RPM drop as ice melts, followed by smooth power restoration",
          "response": "RPM DROP THEN RECOVERY EXPECTED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "If power does not restore — maintain carb heat and prepare for engine failure procedures",
          "response": "ENGINE FAILURE CHECKLIST AS REQUIRED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Altitude and terrain — assess options for forced landing if both engines affected",
          "response": "TERRAIN ASSESSED; OPTIONS IDENTIFIED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "After power restored — maintain carburetor heat until clear of icing conditions per POH",
          "response": "HEAT MAINTAINED PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Monitor both engines for recurrence of roughness",
          "response": "BOTH ENGINES MONITORED",
          "tickable": true
        }
      ]
    },
    {
      "id": "forced-landing",
      "phase": "forced_landing",
      "title": "Forced Landing — Power-Off",
      "criticality": "emergency",
      "condition": "Both engines have failed or remaining power is insufficient to reach an airport",
      "items": [
        {
          "type": "warning",
          "text": "A dual-engine failure is extremely rare. Confirm both engines are truly failed before accepting a forced landing. Check fuel selectors, mixture, and magnetos.",
          "tickable": false
        },
        {
          "type": "action",
          "id": "fl-1",
          "text": "Best glide speed — establish immediately per POH",
          "response": "BEST GLIDE ESTABLISHED",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "fl-2",
          "text": "Landing area — select best available field or road; favor into-wind and uphill if possible",
          "response": "FIELD SELECTED",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "text": "Fuel selectors — confirm both on correct tanks; attempt restart if cause is fuel starvation",
          "response": "CONFIRMED; RESTART ATTEMPTED IF APPROPRIATE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Mixture — RICH for restart attempt",
          "response": "RICH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Ignition — BOTH; attempt restart if time and altitude permit",
          "response": "RESTART ATTEMPTED AS APPROPRIATE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Mayday — declare on 121.5 MHz; advise position, altitude, intentions",
          "response": "MAYDAY DECLARED; ATC NOTIFIED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Transponder — 7700",
          "response": "SET 7700",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Fuel selectors — OFF before landing to reduce fire risk",
          "response": "OFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Mixture — IDLE CUTOFF",
          "response": "IDLE CUTOFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Ignition switches — OFF just before touchdown",
          "response": "OFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Master switch — OFF just before touchdown",
          "response": "OFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Doors — unlatch before touchdown to prevent jamming",
          "response": "UNLATCHED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Seat belts and shoulder harnesses — confirm tight",
          "response": "CONFIRMED TIGHT",
          "tickable": true
        }
      ]
    },
    {
      "id": "gear-unsafe",
      "phase": "landing_gear_malfunction",
      "title": "Gear Unsafe / Abnormal Gear Indication",
      "criticality": "emergency",
      "condition": "One or more gear position lights fail to show green after gear extension, or red unsafe light illuminates",
      "items": [
        {
          "type": "action",
          "text": "Airspeed — reduce to below gear operating speed per POH",
          "response": "BELOW VLO PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Gear handle — cycle UP then DOWN; allow adequate time for system to respond",
          "response": "CYCLED; WAITING FOR INDICATION",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Circuit breakers — check gear-related breakers; reset if popped",
          "response": "CHECKED; RESET IF TRIPPED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Gear position lights — check bulbs by pressing the test button if equipped",
          "response": "TESTED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "If no green after normal extension — refer to emergency gear extension procedure",
          "response": "PROCEED TO EMERGENCY GEAR EXTENSION",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Declare emergency and notify ATC; request emergency equipment standby",
          "response": "EMERGENCY DECLARED; EQUIPMENT REQUESTED",
          "tickable": true
        }
      ]
    },
    {
      "id": "emergency-gear-extension",
      "phase": "landing_gear_malfunction",
      "title": "Emergency Gear Extension",
      "criticality": "emergency",
      "condition": "Normal gear extension fails; gear not locked down; use manual/emergency extension system",
      "items": [
        {
          "type": "action",
          "text": "Airspeed — reduce to minimum safe airspeed per POH; below emergency extension speed",
          "response": "REDUCED PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Gear handle — ensure in DOWN position",
          "response": "DOWN",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Emergency gear extension — locate and activate the manual extension pump or override per POH specific to this aircraft",
          "response": "ACTIVATED PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Pump or pull override — operate per POH until three green lights illuminate",
          "response": "THREE GREEN CONFIRMED OR BEST INDICATION OBTAINED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "If gear still not confirmed down and locked — prepare for gear-up landing; follow forced-landing precautions",
          "response": "GEAR-UP LANDING PREPARED IF REQUIRED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Notify ATC of gear status; request foam or emergency equipment as applicable",
          "response": "ATC NOTIFIED; EQUIPMENT REQUESTED",
          "tickable": true
        }
      ]
    },
    {
      "id": "single-engine-approach",
      "phase": "engine_out_landing",
      "title": "Single-Engine Approach and Landing",
      "criticality": "emergency",
      "condition": "One engine inoperative; planning and executing approach and landing",
      "items": [
        {
          "type": "warning",
          "text": "A go-around on one engine at low altitude and slow airspeed is extremely hazardous. Commit to landing once established on final. Plan ahead so go-around is not required.",
          "tickable": false
        },
        {
          "type": "action",
          "text": "Operating engine — confirm full power available; do not reduce power on approach prematurely",
          "response": "FULL POWER AVAILABLE; CONFIRMED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Airspeed — maintain at or above Vyse until landing assured; use POH single-engine approach speed on final",
          "response": "AT OR ABOVE POH APPROACH SPEED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Flaps — extend incrementally; be cautious with full flaps due to increased drag on one engine",
          "response": "EXTENDED INCREMENTALLY PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Gear — extend with adequate altitude and airspeed to assure landing; expect higher drag",
          "response": "GEAR DOWN; THREE GREEN",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Runway — aim for a long runway if available; do not aim for the threshold; aim slightly beyond",
          "response": "LONG RUNWAY SELECTED; ADJUSTED AIM POINT",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Final approach — keep it flat and stable; avoid a steep descent that requires large power changes",
          "response": "FLAT STABLE APPROACH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "GUMPS check — Gas, Undercarriage, Mixture, Props, Seat belts/Switches",
          "response": "ALL CONFIRMED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Operating engine throttle — reduce to idle only over the runway threshold when landing is assured",
          "response": "IDLE OVER THRESHOLD",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Touchdown — land positively; do not float; use available braking",
          "response": "FIRM TOUCHDOWN; BRAKES AS REQUIRED",
          "tickable": true
        }
      ]
    },
    {
      "id": "engine-out-go-around",
      "phase": "go_around",
      "title": "Engine-Out Go-Around",
      "criticality": "emergency",
      "condition": "Go-around required with one engine inoperative — extremely hazardous; avoid if possible",
      "items": [
        {
          "type": "warning",
          "text": "A single-engine go-around from a low, slow final is one of the most demanding maneuvers in multi-engine flying. Do not initiate unless a safe landing is truly impossible and altitude permits. The risk of losing control is very high near the ground at low speed.",
          "tickable": false
        },
        {
          "type": "action",
          "id": "eogo-1",
          "text": "Operating engine — full power immediately and smoothly",
          "response": "FULL POWER ON OPERATING ENGINE",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "eogo-2",
          "text": "Pitch attitude — establish climb attitude per POH; avoid extreme pitch",
          "response": "CLIMB ATTITUDE",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "eogo-3",
          "text": "Airspeed — accelerate to Vyse immediately; never allow speed to fall below Vmc",
          "response": "ACCELERATING TO VYSE; ABOVE VMC",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "text": "Flaps — retract incrementally per POH as airspeed builds",
          "response": "INCREMENTAL RETRACTION PER POH",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Gear — retract after positive rate of climb is confirmed",
          "response": "GEAR UP; POSITIVE RATE CONFIRMED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Directional control — maintain bank 5 degrees into operating engine; use rudder trim if available",
          "response": "CONTROLLED; BANK INTO GOOD ENGINE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "ATC — notify of go-around and single-engine status",
          "response": "ATC NOTIFIED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Plan next approach — configure for a wider, higher pattern to allow time and altitude",
          "response": "LONGER APPROACH PLANNED",
          "tickable": true
        }
      ]
    }
  ]
}