AD 89-01-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus Helicopters | AS355E | Airworthiness Directives; SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE (SNIAS) Model AS 355E, AS 355F, and AS 355F1 Helicopters |
| aircraft | Airbus Helicopters | AS355F | Airworthiness Directives; SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE (SNIAS) Model AS 355E, AS 355F, and AS 355F1 Helicopters |
| aircraft | Airbus Helicopters | AS355F1 | Airworthiness Directives; SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE (SNIAS) Model AS 355E, AS 355F, and AS 355F1 Helicopters |
Unsafe Condition
Engine failure (flameout) resulting from ingestion of atmospheric moisture in engine inlets.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install an engine automatic relight system per SNIAS Service Bulletin AS 355 No. 80.02, revise flight manuals as specified, update Master Servicing Recommendations, and replace igniters exceeding 1,000 hours' time in service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 200 hours' time in service
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
SNIAS Model AS 355E, AS 355F, and AS 355F1 helicopters (serial numbers before 5362) fitted with debris guards Part Numbers 355A58-0519-0201 and 355A58-0519-0391.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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