Definition
A flight instructor responsibility involving the provision of supplementary instruction beyond the certificate or rating curriculum, and the issuance of written logbook endorsements certifying that a pilot has met specific regulatory training, proficiency, or recency requirements. Endorsements are signed entries the instructor places in a pilot's logbook (or, in some cases, a separate document) to authorize particular operations such as solo flight, high-performance aircraft operation, complex aircraft operation, tailwheel aircraft operation, flight reviews, instrument proficiency checks, and similar 14 CFR Part 61 requirements.
Plain English
Extra instruction the flight instructor gives a pilot, plus the signed notes the instructor writes in the pilot's logbook to officially say the pilot has been trained for a specific kind of flying or has met a legal flying requirement.
Context Anchor
Seen in flight instructor responsibilities, especially when an instructor is preparing a student or pilot for solo flight, a test, a new privilege, or an aircraft that requires a specific instructor signoff.
Derivation
Training comes from the idea of drawing or guiding someone along a path. Endorse comes from an older meaning of writing on the back of a document, from roots meaning “back.” That helps here because an FAA endorsement is not just verbal approval; it is a recorded instructor statement.
Why Pilots Care
Many flight operations are not legal until a properly authorized instructor has provided the required training and signed the matching endorsement. Without the correct logbook endorsement, the pilot is not authorized to conduct the operation, even if they have been trained.
Intuition Check
Do not read endorsement as casual approval or encouragement. In this FAA context, an endorsement is a specific recorded statement from an authorized instructor that satisfies a rule or requirement.
Example Sentence 1
Before the pilot could fly the new aircraft solo, the instructor provided additional training and endorsements covering high-performance operations.
Example Sentence 2
A pilot cannot operate a tailwheel airplane without the required additional training and endorsements in their logbook.