{
  "open_checklist_version": "1.0",
  "id": "piper-pa-28-180-cherokee-archer-pa28180-abbreviated-checklist-millstone-valley",
  "title": "Piper PA-28-180 Cherokee Archer — pa28180_abbreviated_checklist_millstone_valley",
  "aircraft": {
    "make": "Piper",
    "model": "PA-28-180 Cherokee Archer",
    "category": "standard_normal"
  },
  "provenance": {
    "source": {
      "kind": "third_party_checklist",
      "title": "Piper/PA-28-180 Cherokee Archer/pa28180_abbreviated_checklist_millstone_valley.txt"
    },
    "transcription": {
      "method": "format_conversion",
      "date": "2026-08-14",
      "converted_from": "doc"
    },
    "contributors": [
      {
        "name": "Open Checklists project",
        "role": [
          "transcriber"
        ]
      }
    ],
    "revision": {
      "file_revision": "0.1.0",
      "updated": "2026-08-14"
    }
  },
  "verification": {
    "source_fidelity": "unreviewed",
    "operational_review": "none",
    "completeness": "full",
    "known_issues": [
      {
        "severity": "content_gap",
        "description": "Section \"Piper Cherokee Airspeeds (MCAS)\" item count differs between passes (11 vs 1); verify nothing was dropped.",
        "location": "Piper Cherokee Airspeeds (MCAS)"
      }
    ],
    "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."
  },
  "units": {
    "airspeed": "mph",
    "altitude": "ft"
  },
  "speeds": {
    "vr": 65,
    "vx": 74,
    "vy": 85,
    "va": 129,
    "vs1": 63,
    "vso": 54,
    "vfe": 115,
    "vno": 140,
    "vne": 171,
    "glide": 85,
    "xw_demo": 15
  },
  "sections": [
    {
      "phase": "preflight_inspection",
      "title": "BEFORE STARTING ENGINE",
      "items": [
        {
          "type": "note",
          "text": "Refer to Aircraft Flight Manual for N3471R or N4677R as Appropriate.",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Exterior Preflight",
          "response": "COMPLETE",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Tach/Hobbs Meter",
          "response": "RECORD",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Seats, Belts, Harnesses",
          "response": "ADJUST & LOCKED",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Radios & Electrical Equipment",
          "response": "OFF",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Brakes",
          "response": "TEST & SET",
          "tickable": true,
          "source_confidence": 1.0
        }
      ],
      "criticality": "normal"
    },
    {
      "phase": "before_start",
      "title": "STARTING ENGINE",
      "items": [
        {
          "type": "action",
          "text": "Parking Brake",
          "response": "SET",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Carburetor Heat",
          "response": "COLD",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Fuel Selector",
          "response": "SET TO DESIRED TANK",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "subtitle",
          "text": "Cold Start",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Throttle",
          "response": "OPEN ¼ INCH",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Master Switch",
          "response": "ON",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Electric Fuel Pump",
          "response": "ON",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Mixture",
          "response": "RICH",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Magnetos",
          "response": "ROTATE SWITCH CLOCKWISE WHILE PRESSING IN",
          "tickable": true,
          "indent": 1,
          "detail": "N4677R: With Magnetos on Both, Press the Starter Push-button.",
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Throttle",
          "response": "ADVANCE WHEN ENGINE FIRES",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "subtitle",
          "text": "Hot Start",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Throttle",
          "response": "OPEN ½ INCH",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Master Switch",
          "response": "ON",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Electric Fuel Pump",
          "response": "ON",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Mixture",
          "response": "IDLE CUTOFF",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Starter",
          "response": "ROTATE SWITCH CLOCKWISE WHILE PRESSING IN",
          "tickable": true,
          "indent": 1,
          "detail": "N4677R: With Magnetos on Both, Press the Starter Push-button.",
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Mixture",
          "response": "ADVANCE WHEN ENGINE FIRES",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Throttle",
          "response": "ADJUST",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "subtitle",
          "text": "Flooded Start",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Throttle",
          "response": "OPEN FULLY",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Master Switch",
          "response": "ON",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Electric Fuel Pump",
          "response": "OFF",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Mixture",
          "response": "IDLE CUT OFF",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Magnetos",
          "response": "ROTATE SWITCH CLOCKWISE WHILE PRESSING IN",
          "tickable": true,
          "indent": 1,
          "detail": "N4677R: With Magnetos on Both, Press the Starter Push-button.",
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Mixture",
          "response": "ADVANCE WHEN ENGINE FIRES",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Throttle",
          "response": "ADJUST",
          "tickable": true,
          "indent": 1,
          "source_confidence": 1.0
        }
      ],
      "criticality": "normal"
    },
    {
      "phase": "engine_start",
      "title": "GROUND CHECK",
      "items": [
        {
          "type": "action",
          "text": "Brakes",
          "response": "SET",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Throttle",
          "response": "1800 RPM",
          "tickable": true,
          "value": {
            "quantity": "rpm",
            "unit": "rpm",
            "target": 1800,
            "comparison": "equal"
          },
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Magnetos",
          "response": "CHECK",
          "tickable": true,
          "detail": "125 MAX DROP/50 DIFF.",
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Carburetor Heat",
          "response": "CHECK FOR RPM DROP",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Engine Gauges",
          "response": "CHECK",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Fuel Pump",
          "response": "CHECK OPERATION",
          "tickable": true,
          "source_confidence": 1.0
        }
      ],
      "criticality": "normal"
    },
    {
      "phase": "before_takeoff",
      "title": "TAKEOFF",
      "items": [
        {
          "type": "action",
          "text": "Fuel",
          "response": "ON PROPER TANK",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Electric Fuel Pump",
          "response": "ON",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Engine Gauges",
          "response": "CHECKED",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Carburetor Heat",
          "response": "OFF",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Mixture",
          "response": "SET",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Quadrant Friction Lock",
          "response": "SET",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Trim Tabs",
          "response": "SET",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Flaps",
          "response": "SET",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Controls",
          "response": "FREE & CORRECT",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Door",
          "response": "LATCHED",
          "tickable": true,
          "source_confidence": 1.0
        }
      ],
      "criticality": "normal"
    },
    {
      "phase": "climb",
      "title": "ENROUTE CLIMB",
      "items": [
        {
          "type": "action",
          "text": "Airspeed",
          "response": "85 - 100 MPH",
          "tickable": true,
          "value": {
            "quantity": "airspeed",
            "unit": "mph",
            "min": 85,
            "max": 100,
            "comparison": "in_range"
          },
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Throttle",
          "response": "FULL OPEN",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Mixture",
          "response": "RICH",
          "tickable": true,
          "detail": "Unless engine is rough.",
          "source_confidence": 1.0
        }
      ],
      "criticality": "normal"
    },
    {
      "phase": "cruise",
      "title": "CRUISE",
      "items": [
        {
          "type": "action",
          "text": "Power",
          "response": "2300 to 2700",
          "tickable": true,
          "detail": "No more than 75%.",
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Fuel Selector",
          "response": "ON PROPER TANK",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Mixture",
          "response": "FULL RICH BELOW 5000 FT",
          "tickable": true,
          "source_confidence": 1.0
        }
      ],
      "criticality": "normal"
    },
    {
      "phase": "approach",
      "title": "APPROACH & LANDING",
      "items": [
        {
          "type": "action",
          "text": "Fuel Selector",
          "response": "ON PROPER TANK",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Electric Fuel Pump",
          "response": "ON",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Mixture",
          "response": "SET",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Flaps",
          "response": "SET",
          "tickable": true,
          "value": {
            "quantity": "airspeed",
            "unit": "mph",
            "max": 115,
            "comparison": "at_most"
          },
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Airspeed",
          "response": "85 MPH (NO FLAPS) OR 80 MPH (FLAPS)",
          "tickable": true,
          "source_confidence": 1.0
        }
      ],
      "criticality": "normal"
    },
    {
      "phase": "go_around",
      "title": "BALKED LANDING",
      "items": [
        {
          "type": "action",
          "text": "Throttle",
          "response": "FULL OPEN",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Carburetor Heat",
          "response": "COLD",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Wing Flaps",
          "response": "RETRACT TO 2nd NOTCH",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Airspeed",
          "response": "85 MPH",
          "tickable": true,
          "value": {
            "quantity": "airspeed",
            "unit": "mph",
            "target": 85,
            "comparison": "equal"
          },
          "source_confidence": 0.9
        },
        {
          "type": "action",
          "text": "Wing Flaps",
          "response": "RETRACT (slowly)",
          "tickable": true,
          "source_confidence": 1.0
        }
      ],
      "criticality": "normal"
    },
    {
      "phase": "landing",
      "title": "NORMAL LANDING",
      "items": [
        {
          "type": "action",
          "text": "Touchdown",
          "response": "MAIN WHEELS FIRST",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Landing Roll",
          "response": "LOWER NOSE WHEEL GENTLY",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Braking",
          "response": "MINIMUM REQUIRED",
          "tickable": true,
          "source_confidence": 1.0
        }
      ],
      "criticality": "normal"
    },
    {
      "phase": "after_landing",
      "title": "AFTER LANDING",
      "items": [
        {
          "type": "action",
          "text": "Wing Flaps",
          "response": "UP",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Fuel Pump/Unnecessary Equipment",
          "response": "OFF",
          "tickable": true,
          "source_confidence": 1.0
        }
      ],
      "criticality": "normal"
    },
    {
      "phase": "securing",
      "title": "SECURING AIRCRAFT",
      "items": [
        {
          "type": "action",
          "text": "Parking Brake",
          "response": "SET",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Radios, Electrical Equipment",
          "response": "OFF",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Mixture",
          "response": "IDLE CUT-OFF",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Magnetos",
          "response": "OFF",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Master Switch",
          "response": "OFF",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Control Lock",
          "response": "INSTALL",
          "tickable": true,
          "source_confidence": 1.0
        },
        {
          "type": "action",
          "text": "Tach/Hobbs Meter",
          "response": "RECORD",
          "tickable": true,
          "source_confidence": 1.0
        }
      ],
      "criticality": "normal"
    },
    {
      "phase": "reference",
      "title": "Piper Cherokee Airspeeds (MCAS)",
      "items": [
        {
          "type": "note",
          "text": "Vr 65",
          "tickable": false,
          "source_confidence": 0.5
        },
        {
          "type": "note",
          "text": "Vx 74",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "note",
          "text": "Vy 85",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "note",
          "text": "Va 129",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "note",
          "text": "Vs1 63",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "note",
          "text": "Vso 54",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "note",
          "text": "Vfe 115",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "note",
          "text": "Vno 140",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "note",
          "text": "Vne 171",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "note",
          "text": "Glide 85",
          "tickable": false,
          "source_confidence": 1.0
        },
        {
          "type": "note",
          "text": "XW demo 15",
          "tickable": false,
          "source_confidence": 1.0
        }
      ],
      "criticality": "normal"
    }
  ]
}