In aviation, a preflight checklist is a list of tasks that should be performed by TMA or pilots before takeoff. Its purpose is to improve flight safety by ensuring that no important tasks or damages are forgotten.
Failure in preflight check is a major contributing factor for aircraft accidents.
The pre flight check consists of doing a walk arround the airplane, starting from the forward left access door of the plane, following the next itinerary in clockwise direction:
Nose
Inspect and check nose for any damage or scratch,
Inspect the nose gear to ensure that is not any pinlock forgotten and sensors located on the gear, inspect nose gear lights. Check that antenas, pitot and static ports are not covered.
Forward fuselage and wings.
Inspect ram air doors on the fuselage. Check lights on the leading edge of de wing, check the engine inlet is clear,
inspect strobe and navigation lights on the tip of the wing, search for any scratches on the wings. And static dischargers are not damaged.
After Fuselage.
Check main landing gear for any hydraulic leaks and bottle extinghuisher. Check doors and panels are closed.
Check APU air inlet is clear, make sure that dorsal fin and horizontal stabilizer are in good condition. Make sure drainings are not obstructed or covered.
