Pre-Flight Aircraft Checklist
A comprehensive pre-flight aircraft inspection checklist designed for pilots to ensure airworthiness, safety, and mechanical integrity before every takeoff.
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| Item | Priority | Who | Time | What to check (Pass/Fail) | If failed (Next step) |
|---|---|---|---|---|---|
| Ignition Switch | Required | DIY | 1 min | Confirmed OFF position | Switch to OFF; remove keys |
| Fuel Quantity Visual | Required | DIY | 3 min | Matches gauges; sufficient for trip | Refuel to required level |
| Fuel Sump Samples | Required | DIY | 5 min | No water, sediment, or wrong color | Drain until clear or ground aircraft |
| Oil Level | Required | DIY | 2 min | Within manufacturer range (quarts) | Add approved aviation oil |
| Propeller & Spinner | Required | DIY | 2 min | No nicks, cracks, or oil leaks | Consult mechanic for dressing |
| Air Intake/Filter | Required | DIY | 1 min | Clear of birds' nests or debris | Clear obstruction manually |
| Tire Condition/PSI | Required | DIY | 3 min | No bald spots; properly inflated | Inflate or replace tire |
| Brake Lines/Pads | Required | DIY | 2 min | No hydraulic leaks; pads have meat | Ground aircraft for brake service |
| Pitot Tube | Required | DIY | 1 min | Unobstructed; cover removed | Clear blockage carefully |
| Static Port | Required | DIY | 1 min | Clear of wax or debris | Clean port carefully |
| Ailerons & Flaps | Required | DIY | 3 min | Free movement; secure hinges | Do not fly; inspect linkage |
| Vertical/Horiz. Stabilizer | Required | DIY | 2 min | No structural damage; secure bolts | Consult structural mechanic |
| Antennas | Recommended | DIY | 1 min | Securely mounted; not bent | Tighten or repair connection |
| Windshield/Windows | Recommended | DIY | 2 min | Clean; no cracks obscuring vision | Clean with aviation-safe cleaner |
| Battery/Electrical | Required | DIY | 2 min | Master switch ON; volts check | Charge or replace battery |
| Stall Warning Horn | Required | DIY | 1 min | Audible when suction/tab applied | Repair before flight |
| Lights (Nav/Strobe) | Recommended | DIY | 2 min | All bulbs operational | Replace bulb or fuse |
| Cabin Door/Latch | Required | DIY | 1 min | Locks securely; seal intact | Adjust latch mechanism |
Use this table as a guide for your walk-around. Start at the cockpit, move to the tail, and circle back around the wings to the nose. This ensures no system is overlooked.
Always cross-reference these items with your specific aircraft's POH. If any 'Required' item fails, the aircraft is legally unairworthy until repaired.