{
  "open_checklist_version": "1.0",
  "id": "cessna-c170-cessna-170-cessna-170b-preflight",
  "title": "Cessna C170 Cessna 170 — cessna_170b_PREFLIGHT",
  "aircraft": {
    "make": "Cessna",
    "model": "C170 Cessna 170",
    "category": "standard_normal"
  },
  "provenance": {
    "source": {
      "kind": "third_party_checklist",
      "title": "Cessna/C170 Cessna 170/cessna_170b_PREFLIGHT.txt"
    },
    "transcription": {
      "method": "format_conversion",
      "date": "2026-08-13",
      "converted_from": "doc"
    },
    "contributors": [
      {
        "name": "Open Checklists project",
        "role": [
          "transcriber"
        ]
      }
    ],
    "revision": {
      "file_revision": "0.1.0",
      "updated": "2026-08-13"
    }
  },
  "verification": {
    "source_fidelity": "unreviewed",
    "operational_review": "none",
    "completeness": "full",
    "known_issues": [],
    "reviews": [
      {
        "type": "source_comparison",
        "reviewer": "ai-dual-pass-review",
        "date": "2026-08-14",
        "notes": "Automated AI review: two independent transcription passes + numeric/item-count disagreement resolution. Not human-verified; baseline for community correction."
      }
    ]
  },
  "rights": {
    "status": "licensed",
    "upstream_holder": "freechecklists.net",
    "upstream_license": "content-reuse permission granted by the site author for this replacement project",
    "notes": "Transcribed from the freechecklists.net archive under the author's reuse grant. Individual checklist wording may be substantially the source's; per-file contributor authorship is unknown."
  },
  "sections": [
    {
      "phase": "preflight_inspection",
      "title": "PREFLIGHT",
      "items": [
        {
          "type": "subtitle",
          "text": "CABIN:",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Documents",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Master/Mags/",
          "response": "OFF",
          "tickable": true,
          "source_confidence": 0.8
        },
        {
          "type": "challenge",
          "text": "Fuel Quantity P. &  S.",
          "tickable": true,
          "source_confidence": 0.8
        },
        {
          "type": "action",
          "text": "Fuel Valve:",
          "response": "BOTH",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Flaps",
          "response": "Down",
          "tickable": true,
          "source_confidence": 0.8
        },
        {
          "type": "subtitle",
          "text": "RIGHT WING:",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Drain Fuel Sump",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Main Wheel/Tire/Strut",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Flap",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Aileron",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Wingtip/Lights",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Fuel Filler Cap",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Wing Tiedown:",
          "response": "UNHOOK",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "subtitle",
          "text": "NOSE:",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Engine Oil Level",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Prop/Spinner",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Cowling/Air Intake",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Air Filter",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Gascolator Drain",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Fuel Tank Vent",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "subtitle",
          "text": "LEFT WING:",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Main Wheel/Tire/Strut",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Drain Fuel Sump",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Stall Warning Vane",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Pitot Tube/Static",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Landing Lights",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Wingtip/Lights",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Aileron",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Flap",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Wing Tiedown:",
          "response": "UNHOOK",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "subtitle",
          "text": "EMPENNAGE:",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Elevator/Cables",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Trim Tab",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Rudder/Light",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Tailwheel/Tire",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Steering Cables/Chains",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Tail Tiedown:",
          "response": "UNHOOK",
          "tickable": true,
          "source_confidence": 1.0
        }
      ],
      "criticality": "normal"
    },
    {
      "phase": "engine_start",
      "title": "ENGINE START",
      "items": [
        {
          "type": "action",
          "text": "Brakes:",
          "response": "ON",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Seat Stops:",
          "response": "LOCKED",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Master Switch:",
          "response": "ON",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Mags:",
          "response": "BOTH",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Mixture:",
          "response": "RICH",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Prime X 2-4 Pumps",
          "tickable": true,
          "source_confidence": 0.8
        },
        {
          "type": "action",
          "text": "Throttle:",
          "response": "Cracked Open",
          "tickable": true,
          "source_confidence": 0.8
        },
        {
          "type": "action",
          "text": "Propeller:",
          "response": "CLEAR!",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Pull Ignition/START/Return",
          "tickable": true,
          "source_confidence": 0.8
        },
        {
          "type": "action",
          "text": "Throttle: @ 800 RPM, X one minute.",
          "response": "CHECK",
          "tickable": true,
          "source_confidence": 0.8
        },
        {
          "type": "action",
          "text": "Oil Pressure:",
          "response": ">30 PSI",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Adjust Mixture",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Radio",
          "response": "ON/Set Freq.",
          "tickable": true,
          "source_confidence": 0.8
        },
        {
          "type": "action",
          "text": "Strobe:",
          "response": "ON",
          "tickable": true,
          "source_confidence": 1.0
        }
      ],
      "criticality": "normal"
    },
    {
      "phase": "before_takeoff",
      "title": "RUNUP",
      "items": [
        {
          "type": "action",
          "text": "Brakes:",
          "response": "ON",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Cabin Doors/Belts",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Flight Control Check",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Flight Instruments",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Throttle @ 1700 RPM",
          "response": "CHECK",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Set Mixture",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "L. & R. Mags:",
          "response": "Check",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Carb Heat Check",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Engine Instruments",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Throttle:",
          "response": "Check Idle",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Txpdr:",
          "response": "ON/ALT",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Lights:",
          "response": "As Req'd.",
          "tickable": true,
          "source_confidence": 0.8
        }
      ],
      "criticality": "normal"
    },
    {
      "phase": "takeoff",
      "title": "TAKEOFF",
      "items": [
        {
          "type": "action",
          "text": "Flaps:",
          "response": "@ 10º",
          "tickable": true,
          "source_confidence": 0.8
        },
        {
          "type": "action",
          "text": "Trim:",
          "response": "@ Takeoff",
          "tickable": true,
          "source_confidence": 0.8
        },
        {
          "type": "action",
          "text": "Carb Heat:",
          "response": "OFF",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Brakes",
          "response": "OFF/Heels on Floor",
          "tickable": true,
          "source_confidence": 0.7
        }
      ],
      "criticality": "normal"
    },
    {
      "phase": "before_landing",
      "title": "LANDING",
      "items": [
        {
          "type": "challenge",
          "text": "Seatbelts",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Fuel Valve:",
          "response": "BOTH",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Mixture:",
          "response": "RICH",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Carb Heat:",
          "response": "ON",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Heels on Floor",
          "tickable": true,
          "source_confidence": 1.0
        }
      ],
      "criticality": "normal"
    },
    {
      "phase": "securing",
      "title": "SECURING AIRPLANE",
      "items": [
        {
          "type": "action",
          "text": "Radios/Electrical:",
          "response": "OFF",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Mixture:",
          "response": "FULL LEAN",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Mags/Master Switch:",
          "response": "OFF",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Intercom:",
          "response": "OFF",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Tiedowns/Chocks",
          "tickable": true,
          "source_confidence": 1.0
        }
      ],
      "criticality": "normal"
    }
  ]
}