1. occurring or done before a flight

1. an inspection or preparation procedure conducted before a flight

Examples

• The pilot completed the preflight inspection of the aircraft.
• All preflight procedures must be finished before takeoff.
• The preflight checklist includes checking fuel levels and instruments.
• During preflight, the crew discovered a minor mechanical issue.
• Passengers waited while the preflight was conducted.
• The preflight took longer than usual due to weather concerns.