External equipment

urn:aero:airm:1.0.0:ContextualModel:ATMBusinessTerms:External_equipment

Any instrument, mechanism, part, apparatus, appurtenance, or accessory that is attached to or extends from the helicopter exterior but is not used nor is intended to be used for operating or controlling a helicopter in flight and is not part of an airframe or engine.

Source: ICAO
Abbreviations: helicopter