NB: The definitions below are for words, or technical vocabulary, specific to Military Air Environment use.

Where a word appears in the Oxford English Dictionary (OED), the definition below is specific only to the

associated context and OED definitions should be used in all other usages.

Term

Abbreviation

Chapter Reference

Maintenance Approved Organisation Scheme

MAOS

Description

Scheme, introduced via Def Stan 05-130 and intended primarily for the guidance of contractors, that defines the

policy for the regulation of civilian organizations wishing to undertake maintenance and/or continued airworthiness

management activities of aircraft, or aircraft systems or equipment, for which responsibility is vested in the

Secretary of State for Defence. (Def Stan 05-130)