AD 81-14-51 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus Helicopters | SA-360C Dauphin | Airworthiness Directives; SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE (SNIAS) Model SA 360C, SA 365C, and SA 365N Helicopters |
| aircraft | Airbus Helicopters | SA-365C | Airworthiness Directives; SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE (SNIAS) Model SA 360C, SA 365C, and SA 365N Helicopters |
| aircraft | Airbus Helicopters | SA-365C1 | Airworthiness Directives; SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE (SNIAS) Model SA 360C, SA 365C, and SA 365N Helicopters |
| aircraft | Airbus Helicopters | SA-365C2 | Airworthiness Directives; SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE (SNIAS) Model SA 360C, SA 365C, and SA 365N Helicopters |
| aircraft | Airbus Helicopters | SA-365N | Airworthiness Directives; SOCIETE NATIONALE INDUSTRIELLE AEROSPATIALE (SNIAS) Model SA 360C, SA 365C, and SA 365N Helicopters |
Unsafe Condition
Cracks in the tail rotor internal and external rotating fairings and in the flange of the rotor hub body at the attaching points of the external fairing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect visually for cracks in the tail rotor fairings and rotor hub flange. If cracks are found, remove the affected part before further flight and install a serviceable part. Conduct daily pre-flight checks for cracks. Inspect mating surfaces of rotor hub and external fairing using dye penetrant or equivalent method at intervals not to exceed 150 hours time in service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 5 hours time in service after receipt of this AD for certain helicopters, and thereafter at intervals not to exceed 50 hours. For others, before reaching 50 hours total time in service, and thereafter at intervals not to exceed 50 hours. The dye penetrant inspection must be done within 50 hours time in service after the effective date and thereafter at intervals not to exceed 150 hours time in service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Societe Nationale Industrielle Aerospatiale (SNIAS) Model SA 360C, SA 365C, and SA 365N helicopters, excluding those complying with specified service bulletins.
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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