Plain English Meaning

Notes written into a pilot's or mechanic's logbook that record what was done, when it happened, and who signed for it. They are the official paper trail that proves training, experience, and required sign-offs.

Full Definition

Written or electronic records made in a pilot's or mechanic's logbook to document flight time, training received, instructor endorsements, aircraft maintenance, or other items required by the regulations. Each entry typically includes the date, a description of what occurred, and the signature and certificate number of the person making the entry when required.

Context Anchor

You will see this term when an instructor records training, signs off a student for a required step, or verifies that a pilot has completed required experience.

Derivation

From 'log,' originally a wooden float ('log line') thrown on sailing ships to measure , with results recorded in a 'log book.' borrowed the word and the : a running written record of what happened, when, and how. The 'entries' are the individual dated notes inside that book.