5234 — Aircraft maintenance and related trades

Medium Skilled

Sources checked 26 October 2026. Match the actual duties before choosing a code.

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What this occupation covers

Aircraft maintenance and related trades fit, service, repair and overhaul aircraft engines and assemblies. Licensed aircraft engineers are coded to Unit Group 3113.

Typical duties


examines drawings, manuals and specifications to determine appropriate methods and sequence of operations

fits and assembles parts and/or metal sub-assemblies to fine tolerances to make aircraft engines

replaces engine components or complete engines, installs and tests electrical and electronic components and systems in aircraft

examines and inspects airframes and aircraft components, including landing gear, hydraulic systems, and de-icers to detect wear, cracks, breaks, leaks, or other problems

maintains, repairs and rebuilds aircraft structures, functional components, and parts

maintains comprehensive repair logs

Entry routes and qualifications

Entrants usually possess GCSEs/S grades or a BTEC/SQA award. Apprenticeships in Engineering Maintenance at level 3 are available. NVQs/SVQs are available at level 2 and 3.

Sponsorship information

Medium Skilled. Actual duties, sponsor, applicant, salary and any transitional or shortage-list conditions must be checked.

DBS assessment

No code-wide DBS assessment is assigned. Check actual duties, activities, workplace, frequency and jurisdiction. This code does not determine the level of check.

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ONS SOC 2020 · Appendix Skilled Occupations