{
  "open_checklist_version": "1.0",
  "id": "cessna-182t-emergency",
  "title": "Cessna 182T Skylane — Emergency Procedures",
  "description": "Emergency procedures for the Cessna 182T Skylane with Lycoming IO-540 fuel-injected engine and constant-speed propeller. Memory items are marked. All numeric limits must come from the specific aircraft POH. The IO-540 is fuel-injected — no carburetor heat; alternate air induction applies instead. Not a substitute for recurrent emergency training.",
  "aircraft": {
    "make": "Cessna",
    "model": "182",
    "variant": "T",
    "icao_type": "C182",
    "category": "standard_normal",
    "engine": [
      {
        "make": "Lycoming",
        "model": "IO-540",
        "type": "piston_4stroke",
        "count": 1
      }
    ],
    "propeller": "constant_speed",
    "gear": "fixed_tricycle"
  },
  "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 limitations — must come from aircraft POH.",
        "location": "whole file"
      },
      {
        "severity": "content_gap",
        "description": "Equipment variations exist across this model/variant. Verify items against the specific aircraft 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": "engine-failure-before-rotation",
      "phase": "engine_failure_before_rotation",
      "title": "Engine Failure on Takeoff — Before or At Liftoff",
      "criticality": "emergency",
      "items": [
        {
          "type": "action",
          "id": "efbr-throttle",
          "text": "Throttle",
          "response": "CLOSE",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efbr-brakes",
          "text": "Brakes — apply firmly to stop on remaining runway",
          "response": "APPLIED",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efbr-mixture",
          "text": "Mixture",
          "response": "IDLE CUTOFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efbr-magnetos",
          "text": "Magnetos",
          "response": "OFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efbr-master",
          "text": "Master switch",
          "response": "OFF WHEN LANDING ASSURED",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "text": "Flaps — if airborne with insufficient altitude for return",
          "response": "AS REQUIRED TO LAND ON AVAILABLE SURFACE AHEAD",
          "tickable": true,
          "detail": "Do not attempt to turn back to the runway at low altitude. Land ahead or within 30 degrees of runway heading."
        },
        {
          "type": "action",
          "text": "Occupants",
          "response": "ADVISE TO BRACE",
          "tickable": true
        }
      ]
    },
    {
      "id": "engine-failure-in-flight",
      "phase": "engine_failure_in_flight",
      "title": "Engine Failure in Flight",
      "criticality": "emergency",
      "items": [
        {
          "type": "action",
          "id": "efif-glide",
          "text": "Airspeed — establish best glide",
          "response": "PER POH",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efif-landing-area",
          "text": "Landing area — identify suitable field; begin turn toward it",
          "response": "SELECTED",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efif-fuel-selector",
          "text": "Fuel selector",
          "response": "BOTH",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efif-mixture",
          "text": "Mixture",
          "response": "RICH",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "text": "Magnetos",
          "response": "BOTH — CONFIRM SWITCH IS ON",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Alternate air induction",
          "response": "ON — check for intake blockage as cause of failure",
          "tickable": true,
          "detail": "The IO-540 alternate air door bypasses the induction filter. Select ON if intake icing or blockage is suspected."
        },
        {
          "type": "action",
          "text": "Throttle",
          "response": "ADVANCE TO CHECK FUEL FLOW RESPONSE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Primer (if installed)",
          "response": "IN AND LOCKED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Restart attempt — if altitude and conditions permit",
          "response": "FOLLOW POH RESTART SEQUENCE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Mayday — transmit on 121.5 MHz",
          "response": "AIRCRAFT TYPE, POSITION, ALTITUDE, INTENTIONS",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Transponder",
          "response": "SQUAWK 7700",
          "tickable": true
        },
        {
          "type": "reference",
          "text": "If engine does not restart — proceed to Forced Landing checklist",
          "tickable": false,
          "reference": {
            "section_id": "forced-landing"
          }
        }
      ]
    },
    {
      "id": "engine-fire-in-flight",
      "phase": "engine_fire_in_flight",
      "title": "Engine Fire in Flight",
      "criticality": "emergency",
      "items": [
        {
          "type": "action",
          "id": "efif2-mixture",
          "text": "Mixture",
          "response": "IDLE CUTOFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efif2-fuel-selector",
          "text": "Fuel selector",
          "response": "OFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efif2-throttle",
          "text": "Throttle",
          "response": "CLOSE",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efif2-master",
          "text": "Master switch — all electrical",
          "response": "OFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efif2-vents",
          "text": "Vents and cabin heat — close all",
          "response": "CLOSED TO PREVENT FUMES ENTERING COCKPIT",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "text": "Airspeed — if fire persists, increase (dive) to extinguish by airflow",
          "response": "DO NOT EXCEED Vne",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Mayday — if comms still available before shutting electrics",
          "response": "DECLARED ON 121.5",
          "tickable": true
        },
        {
          "type": "reference",
          "text": "Execute forced landing immediately",
          "tickable": false,
          "reference": {
            "section_id": "forced-landing"
          }
        }
      ]
    },
    {
      "id": "engine-fire-ground",
      "phase": "engine_fire_ground",
      "title": "Engine Fire on Ground",
      "criticality": "emergency",
      "items": [
        {
          "type": "action",
          "id": "efg-intake",
          "text": "Throttle — advance to full open briefly to draw fire back through intake",
          "response": "ATTEMPT TO STARVE FIRE",
          "tickable": true,
          "memory_item": true,
          "detail": "Only attempt while engine is turning and fire appears to be in the intake area. Advance smoothly to full open for a few seconds."
        },
        {
          "type": "action",
          "id": "efg-mixture",
          "text": "If fire continues — mixture",
          "response": "IDLE CUTOFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efg-fuel",
          "text": "Fuel selector",
          "response": "OFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efg-master",
          "text": "Master switch",
          "response": "OFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "efg-mags",
          "text": "Magnetos",
          "response": "OFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "text": "Occupants — evacuate",
          "response": "ALL PERSONS EXIT IMMEDIATELY AND MOVE CLEAR UPWIND",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Fire extinguisher — from upwind",
          "response": "AIM AT BASE OF FIRE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Emergency services",
          "response": "CALL 911 OR AIRPORT EMERGENCY SERVICES",
          "tickable": true
        }
      ]
    },
    {
      "id": "electrical-fire",
      "phase": "electrical_fire",
      "title": "Electrical Fire / Smoke in Cockpit",
      "criticality": "emergency",
      "items": [
        {
          "type": "action",
          "id": "elfire-master",
          "text": "Master switch",
          "response": "OFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "elfire-avionics",
          "text": "Avionics master",
          "response": "OFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "elfire-all-sw",
          "text": "All electrical switches",
          "response": "OFF",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "text": "Vents — open to clear smoke; use fresh air",
          "response": "OPEN",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Fire extinguisher — if smoke persists",
          "response": "USE HALON OR CO2 TYPE",
          "tickable": true
        },
        {
          "type": "action",
          "text": "If fire is out and smoke clears — restore minimum electrics to land",
          "response": "RESTORE ONE SWITCH AT A TIME TO ISOLATE FAULT",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Land",
          "response": "AS SOON AS PRACTICAL",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Mayday — on 121.5 if radio available",
          "response": "DECLARED",
          "tickable": true
        }
      ]
    },
    {
      "id": "oil-system-malfunction",
      "phase": "oil_system_malfunction",
      "title": "Loss of Oil Pressure",
      "criticality": "emergency",
      "items": [
        {
          "type": "action",
          "id": "oil-verify",
          "text": "Oil pressure gauge — confirm reading; cross-check oil temperature",
          "response": "VERIFY ACTUAL vs. INSTRUMENT FAILURE",
          "tickable": true,
          "memory_item": true,
          "detail": "Rising oil temperature alongside zero oil pressure confirms actual oil loss, not gauge failure."
        },
        {
          "type": "action",
          "id": "oil-power",
          "text": "Power — reduce to minimum required for controlled flight",
          "response": "REDUCE IMMEDIATELY",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "oil-landing",
          "text": "Landing area — select nearest suitable field; begin precautionary landing planning",
          "response": "SELECTED",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "text": "Mayday — declare; advise position and intentions",
          "response": "TRANSMITTED ON 121.5",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Engine instruments — monitor CHT and oil temp for rapid rise",
          "response": "MONITOR CONTINUOUSLY",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Land — do not delay; engine seizure may be imminent",
          "response": "LAND AS SOON AS POSSIBLE",
          "tickable": true
        }
      ]
    },
    {
      "id": "icing",
      "phase": "icing",
      "title": "Induction Air Blockage / Alternate Air",
      "criticality": "abnormal",
      "condition": "Unexplained power loss; suspected induction air filter icing in visible moisture near freezing temperatures",
      "items": [
        {
          "type": "note",
          "text": "The IO-540 is fuel-injected and has no carburetor. Carburetor ice is not a hazard for this engine. However, the induction air filter can ice over in visible moisture at near-freezing temperatures, causing power loss. The alternate air control bypasses the filtered intake.",
          "tickable": false
        },
        {
          "type": "action",
          "id": "alt-air-on",
          "text": "Alternate air control",
          "response": "ON",
          "tickable": true,
          "memory_item": true,
          "detail": "Draws unfiltered warm air from inside the cowling, bypassing a blocked or iced induction filter."
        },
        {
          "type": "action",
          "text": "Power response",
          "response": "EXPECT PARTIAL RESTORATION; BRIEF ROUGHNESS AS ICE INGESTS",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Mixture",
          "response": "ADJUST AS NEEDED FOR CHANGED INDUCTION AIRFLOW",
          "tickable": true
        },
        {
          "type": "action",
          "text": "When clear of icing conditions — alternate air",
          "response": "OFF; RETURN TO NORMAL FILTERED INDUCTION",
          "tickable": true
        }
      ]
    },
    {
      "id": "forced-landing",
      "phase": "forced_landing",
      "title": "Forced Landing — Power Off",
      "criticality": "emergency",
      "items": [
        {
          "type": "action",
          "id": "fl-glide",
          "text": "Airspeed — best glide",
          "response": "ESTABLISH AND MAINTAIN PER POH",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "id": "fl-field",
          "text": "Landing area — select longest available field oriented into wind",
          "response": "SELECTED; AVOID TREES, WIRES, AND STRUCTURES",
          "tickable": true,
          "memory_item": true
        },
        {
          "type": "action",
          "text": "Mayday — transmit position, altitude, aircraft type",
          "response": "121.5 MHz AND CURRENT FREQUENCY",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Transponder",
          "response": "7700",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Fuel selector",
          "response": "OFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Mixture",
          "response": "IDLE CUTOFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Magnetos",
          "response": "OFF",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Master switch — retain for flaps, then OFF",
          "response": "OFF BEFORE TOUCHDOWN",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Seat belts and shoulder harnesses — all occupants",
          "response": "TIGHTENED; BRACE POSITION BRIEFED",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Doors — unlatch before touchdown",
          "response": "UNLATCHED TO PREVENT JAMMING",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Flaps — deploy on final to steepen approach and reduce touchdown speed",
          "response": "PER POH FOR CONDITIONS",
          "tickable": true
        },
        {
          "type": "action",
          "text": "Touchdown — aim for far end of field; land at minimum controllable airspeed",
          "response": "USE BRAKES AGGRESSIVELY AFTER TOUCHDOWN",
          "tickable": true
        }
      ]
    }
  ]
}