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Aviation vocabulary · Maintenance

Technical log

Meaning in aviation, with examples

nounCommon term

In aviation, technical log means: The official record kept on board in which crews write down defects and engineers record maintenance work, so the aircraft's condition is always documented.

In Turkish: teknik kayıt defteri, teknik log

How it is used

Usually called the 'tech log'. Pilots check it before accepting the aircraft and complete it after the flight. Engineers sign the certificate of release to service in it. Many airlines now use an electronic tech log.

Example sentences

  1. Before signing for the aircraft, the captain read through the technical log.

  2. There is an open item in the technical log about the cabin pressure controller.

Common collocations

  • tech log entry
  • write up in the technical log
  • sign the technical log
  • electronic technical log
  • defectA fault in a part or system of an aircraft that must be recorded and then either repaired or formally deferred before the next flight.
  • MELMinimum equipment list: an approved document that shows which equipment may be inoperative for a flight to depart, under what conditions and for how long.
  • walkaroundThe visual check of the outside of an aircraft before a flight, in which a pilot or an engineer walks around it looking for damage, leaks or anything unusual.
  • line maintenanceRoutine checks and small repairs done at the airport between flights, such as daily checks, wheel changes and fixing minor defects, so the aircraft can keep flying.

More terms: Maintenance

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