{
  "open_checklist_version": "1.0",
  "id": "cessna-401-louis-janos-401a-preflight-checklist",
  "title": "Cessna 401 — Louis_Janos_401A_Preflight_checklist",
  "aircraft": {
    "make": "Cessna",
    "model": "401",
    "category": "standard_normal"
  },
  "provenance": {
    "source": {
      "kind": "third_party_checklist",
      "title": "Cessna/401/Louis_Janos_401A_Preflight_checklist.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 Inspection",
      "items": [
        {
          "type": "subtitle",
          "text": "1.",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Control Lock",
          "response": "REMOVE and STOW",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Parking Brake",
          "response": "N/A",
          "tickable": true,
          "indent": 1,
          "source_confidence": 0.8
        },
        {
          "type": "action",
          "text": "All Switches",
          "response": "OFF",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Landing Gear Switch",
          "response": "DOWN",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Battery Switch",
          "response": "ON",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Fuel Gages",
          "response": "CHECK QUANTITY and OPERATION",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Flaps",
          "response": "EXTEND",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Battery Switch",
          "response": "OFF",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Left Fuel Selector",
          "response": "LEFT MAIN (feel for detent)",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Right Fuel Selector",
          "response": "RIGHT MAIN (feel for detent)",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Trim Tab Controls (3)",
          "response": "NEUTRAL",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "N/A",
          "response": "N/A",
          "tickable": true,
          "indent": 1,
          "source_confidence": 0.3
        },
        {
          "type": "subtitle",
          "text": "2.",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Battery Compartment Cover",
          "response": "SECURE",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Wing Locker Baggage Door",
          "response": "SECURE",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Flap",
          "response": "CHECK SECURITY and ATTACHMENT",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Wing Locker Sump",
          "response": "DRAIN",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Control Surface Lock",
          "response": "REMOVE",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Aileron and tab",
          "response": "CHECK CONDITION and FREEDOM OF MOVEMENT",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Fuel Sump (Main Tank)",
          "response": "DRAIN",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Fuel Vent and Sniffle Valve",
          "response": "CLEAR",
          "tickable": true,
          "indent": 1,
          "source_confidence": 0.9
        },
        {
          "type": "action",
          "text": "Fuel Quantity (Main Tank)",
          "response": "CHECK, CAP SECURE",
          "tickable": true,
          "indent": 1,
          "source_confidence": 0.9
        },
        {
          "type": "action",
          "text": "Stall Warning Vane",
          "response": "CHECK FREEDOM OF MOVEMENT",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Wing Tie Down",
          "response": "REMOVE",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Fuel Quantity (Auxiliary Tank)",
          "response": "CHECK, CAP SECURE",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Fuel Sump (Auxiliary Tank and Wing Locker Transfer Line)",
          "response": "DRAIN",
          "tickable": true,
          "indent": 1,
          "source_confidence": 0.9
        },
        {
          "type": "action",
          "text": "Fuel Vent (Wing Locker Tank)",
          "response": "CLEAR, CAP SECURE",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "subtitle",
          "text": "3.",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Fuel Strainer",
          "response": "DRAIN",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Cowl Flap",
          "response": "SECURE",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Engine Compartment General Condition",
          "response": "CHECK",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Oil Level",
          "response": "CHECK, MINIMUM 9 QUARTS",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Propeller and Spinner",
          "response": "EXAMINE FOR NICKS, SECURITY and OIL LEAKS",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Cowl Flap",
          "response": "SECURE",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Main Gear, Strut, Doors and Tire",
          "response": "CHECK",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Leading Edge Air Intake",
          "response": "CLEAR",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Cross Feed Line",
          "response": "DRAIN",
          "tickable": true,
          "indent": 1,
          "source_confidence": 0.9
        },
        {
          "type": "subtitle",
          "text": "4.",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Baggage Door",
          "response": "SECURE",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Nose Gear, Strut, Doors and Tire",
          "response": "CHECK",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Pitot Cover (If Installed)",
          "response": "REMOVE, Pitot Tube - CLEAR",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Tie Down",
          "response": "REMOVE",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Heater Inlet",
          "response": "CLEAR",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Baggage Door",
          "response": "SECURE",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "subtitle",
          "text": "5.",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Crossfeed Line",
          "response": "DRAIN",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Leading Edge Air Intake",
          "response": "CLEAR",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Main Gear, Strut, Doors and Tire",
          "response": "CHECK",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Cowl Flap",
          "response": "SECURE",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "N/A",
          "response": "N/A",
          "tickable": true,
          "indent": 1,
          "source_confidence": 0.3
        },
        {
          "type": "action",
          "text": "Oil Level",
          "response": "CHECK, MINIMUM 9 QUARTS",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Engine Compartment and General Condition",
          "response": "CHECK",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Propeller and Spinner",
          "response": "EXAMINE FOR NICKS, SECURITY and OIL LEAKS",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Cowl Flap",
          "response": "SECURE",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Fuel Strainer",
          "response": "DRAIN",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "subtitle",
          "text": "6.",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Fuel Vent (Wing Locker Tank)",
          "response": "CLEAR",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Fuel Sump (Auxiliary Tank and Wing Locker Transfer Line)",
          "response": "DRAIN",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Fuel Quantity (Auxiliary Tank)",
          "response": "CHECK, CAP SECURE",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Wing Tie Down",
          "response": "REMOVE",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Fuel Quantity (Main Tank)",
          "response": "CHECK, CAP SECURE",
          "tickable": true,
          "indent": 1,
          "source_confidence": 0.8
        },
        {
          "type": "action",
          "text": "Fuel Vent and Sniffle Valve",
          "response": "CLEAR",
          "tickable": true,
          "indent": 1,
          "source_confidence": 0.9
        },
        {
          "type": "action",
          "text": "Fuel Sump (Main Tank)",
          "response": "DRAIN",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Aileron",
          "response": "CHECK CONDITION and FREEDOM of MOVEMENT",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Control Surface Lock",
          "response": "REMOVE",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Flaps",
          "response": "CHECK SECURITY and ATTACHMENT",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Nacelle Baggage Door",
          "response": "SECURE",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "subtitle",
          "text": "7.",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Static Port",
          "response": "CLEAR",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Control Surface Lock",
          "response": "REMOVE",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Tie Down",
          "response": "REMOVE",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Static Port",
          "response": "CLEAR",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "challenge",
          "text": "Cabin Door, General Condition and Security Check",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        }
      ],
      "criticality": "normal"
    }
  ]
}