Definition
A written list of items the pilot verifies and configures before takeoff to confirm the airplane is ready to fly. It is performed after taxiing to the run-up area and before entering the runway, and typically covers engine run-up, magneto check, flight controls, flight instruments, fuel selector, mixture, flaps, trim, doors, seatbelts, and a final review of departure briefing items.
Plain English
A short list of things the pilot checks just before flying, to make sure the airplane and the pilot are both ready for takeoff.
Context Anchor
Used after taxiing and before entering the runway or beginning the takeoff.
Derivation
“Pre-” means “before.” A “checklist” is a list used to check that required items have actually been done. In aviation, that matters because the list is a verification tool, not a memory test.
Why Pilots Care
Following the checklist prevents takeoff with incorrect settings such as wrong flap position or unswitched fuel tanks, reducing the risk of accidents caused by configuration errors.
Intuition Check
Do not treat a pre-takeoff checklist as a casual reminder or something to do from memory. In aviation, it is a deliberate written check before takeoff.
Example Sentence 1
After taxiing to the run-up area, the pilot turned the airplane into the wind and began the pre-takeoff checklist.
Example Sentence 2
During flight training, the instructor had the student complete the pre-takeoff checklist aloud to build the habit.