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# What Is Technical Log in Aircraft Maintenance?
- URL: https://www.acmiworld.com/what-is-technical-log-in-aviation/
- Published: 2026-09-16T12:14:28.000Z
- Updated: 2026-09-16T12:14:28.000Z
- Description: Technical Log defined for aviation professionals, with its operational or commercial use, document context and related terminology.
- Author: ACMI World
- Tags: Aviation Glossary, Airworthiness & Maintenance, #Import 2026-09-14 15:41

## How the Term Is Used in Aviation

The aircraft technical log is the operational record used to document flight details, defects, maintenance actions, deferred items and aircraft serviceability between flights.

Aviation Glossary

**Term:** Technical Log

**Category:** Airworthiness & Maintenance

## How It Is Used

It connects flight operations with continuing airworthiness and provides a controlled record of the aircraft's current technical status.

## Where It Sits in Continuing Airworthiness

Technical Log forms part of the technical framework used to establish, maintain or document aircraft airworthiness. Applicability depends on aircraft type, authority, approved maintenance data and the operator's maintenance programme.

## Records and Transaction Impact

Technical status must be supported by current records. Buyers, lessors, lenders and MRO organizations normally verify the applicable document, revision, compliance status and remaining maintenance exposure rather than relying on a description alone.

## Related Aviation Topics

Related ACMI World coverage includes [aircraft maintenance reserves](https://www.acmiworld.com/aircraft-maintenance-reserves-explained-what-airlines-and-lessors-actually-fight-about/), [aircraft redelivery conditions](https://www.acmiworld.com/aircraft-redelivery-conditions-explained-the-hidden-economics-at-lease-end/), [pre-purchase inspection findings](https://www.acmiworld.com/prepurchase-inspection-findings-affect-financing/), [aircraft records and resale value](https://www.acmiworld.com/aircraft-records-affect-resale-value/) and [business jet MRO providers](https://www.acmiworld.com/top-10-business-jet-mro-providers-europe/).

It connects flight operations with continuing airworthiness and provides a controlled record of the aircraft's current technical status.

Frequently Asked Questions

## Technical Log FAQ

What does Technical Log mean in aviation?

The aircraft technical log is the operational record used to document flight details, defects, maintenance actions, deferred items and aircraft serviceability between flights.

Why does Technical Log matter?

It connects flight operations with continuing airworthiness and provides a controlled record of the aircraft's current technical status.

Where would an aviation professional encounter Technical Log?

It is commonly encountered in airworthiness & maintenance documents, procedures, calculations or operating discussions where the underlying technical or commercial issue is relevant.

Can technical status be accepted without supporting records?

Normally no. Airworthiness and asset-value conclusions depend on records showing applicability, compliance, release status, accumulated life and maintenance history.