CAP 716 - Aviation Maintenance Human Factors - Guidance Material

Oct 23, 2026

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CAP 716 provides guidance for aviation maintenance human factors requirements under UK CAA Part-145, supporting organisations approved under EASA and (historically) JAR145. The document explains how to apply error management and human factors within maintenance organisations to reduce risks from human error, improve safety, and meet related compliance expectations. It references Part-145 and its associated AMC-145 and GM-145, and also discusses equivalent EASA implementing rule parts to JAR66, JAR147, and JAR21, presenting a living, periodically revised handbook.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages326

Reading Time13 h 42 min

AccessFree to download

Amendment Record

Explanatory Note

Document purpose and target organisations

References used in the document

Document revision and update approach

List of Effective Pages

Safety Regulation Group CAP 716 Aviation Maintenance Human Factors (EASA / JAR145 Approved Organisations) Guidance Material on the UK CAA Interpretation of Part-145 Human Factors and Error Management Requirements [www.caa.co.uk](www.caa.co.uk) Safety Regulation Group CAP 716 Aviation Maintenance Human Factors (EASA / JAR145 Approved Organisations) Guidance Material on the UK CAA Interpretation of Part-145 Human Factors and Error Management Requirements 18 December 2003 © Civil Aviation Authority 2003 All rights reserved. Copies of this publication may be reproduced for personal use, or for use within a company or organisation, but may not otherwise be reproduced for publication. To use or reference CAA publications for any other purpose, for example within training material for students, please contact the CAA at the address below for formal agreement. ISBN 0 86039 960 5 First published 7 January 2002 Re-issued 18 December 2003 Re-issued August 2006 Enquiries regarding the content of this publication should be addressed to: Chief Surveyor’s Office, Safety Regulation Group, Civil Aviation Authority, Aviation House, Gatwick Airport South, West Sussex, RH6 0YR. The latest version of this document is available in electronic format [at www.caa.co.uk](at www.caa.co.uk), where you may also register for e-mail notification of amendments. Published by TSO (The Stationery Office) on behalf of the UK Civil Aviation Authority. Printed copy available from: TSO, PO Box 29, Norwich NR3 1GN Telephone orders/General enquiries: 0870 600 5522 Fax orders: 0870 600 5533 [www.tso.co. uk/bookshop](www.tso.co. uk/bookshop) E-mail: [book.orders@tso.co. uk](book.orders@tso.co. uk) [Textphone: 0870 240 3701](Textphone: 0870 240 3701) Amendment Record | Amendment Number | Amendment Date | Incorporated by | Incorporated on | | --- | --- | --- | --- | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | INTENTIONALLY LEFT BLANK Explanatory Note This document is aimed primarily at organisations approved in accordance with Annex 2 (Part- 145) of the Commission Regulation (EC) No. 2042-2003 "Continuing airworthiness of aircraftpreviously JAR145 . It is aimed at organisations approved by UK CAA Aircraft Maintenance Standards Department (AMSD), to help them meet the error management and human factors requirements within EASA Part-145 (originally introduced as NPA12 to JAR 145, and subsequently as amendment 5 to JAR145) . It contains guidance material which, if applied appropriately within maintenance organisations, should help reduce the risks associated with human error and human factors, and improve safety. References throughout the document will primarily be to "Part-145", which is the requirement,"AMC-145", which is the acceptable means of compliance, and "GM-145", which is guidance material. References will also be made to Part-66, Part-147 and Part-21, which are the parts of the EASA Implementing Rule (IR) equivalent to JAR66, JAR147 and JAR21 . Occasional references are made to JARs for historical purposes, or where JARs are still current (e.g. JAROPS) . There are no fundamental differences between the JAR and EASA requirements, as far as the human factors elements are concerned. This is a living document and will be revised at intervals to take into account changes in regulations, feedback from industry, and recognised best practices. This document was originally issued as the CAA Maintenance Human Factors Handbook, and subsequently published, in support of NPA12 to JAR145, as CAP 716 issue 1. It has now been up-issued to Issue 2, inc

FAQs

What organisations is CAP 716 primarily intended for?

CAP 716 is aimed primarily at organisations approved under Annex 2 (Part-145) of Commission Regulation (EC) No. 2042-2003, and those approved by the UK CAA for aircraft maintenance standards, to help meet error management and human factors requirements.

How does CAP 716 help reduce risks in aviation maintenance?

By providing guidance material that, when applied appropriately, helps reduce risks associated with human error and human factors and improves overall safety within maintenance organisations.

Which requirements and reference documents does CAP 716 use throughout?

References primarily use “Part-145”, “AMC-145” (acceptable means of compliance), and “GM-145” (guidance material), with additional references to other EASA parts equivalent to JAR66, JAR147, and JAR21, and occasional historical JAR references.

Oct 23, 2026

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