AD 2021-20-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Leonardo S.p.a. Helicopters |
Unsafe Condition
The unsafe condition, if not addressed, could result in partial inflation of the flotation bags in a ditching event, preventing a timely egress from the helicopter and consequent injury to the helicopter occupants.
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Required Actions
Visually inspect each EFS assembly for correct installation of the yellow sleeves and proper connection of the inflation hoses to the float assembly and the bottle assembly. Depending on the inspection results, if an incorrect installation of the yellow sleeve or an incorrect connection of the inflation hoses is detected, remove incorrectly installed yellow sleeves, and incorrectly installed hoses, restore markings on re-installed yellow sleeves, and re-connect or re-install hoses in accordance with the applicable service information.
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Compliance Time
Within 50 flight hours
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Affected Aircraft
Leonardo S.p.a. Model AW189 helicopters, certificated in any category, with an affected emergency flotation system (EFS) assembly as defined in European Aviation Safety Agency (now European Union Aviation Safety Agency) (EASA) AD 2018-0279, dated December 14, 2018 (EASA AD 2018-0279).
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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