AD 80-16-01 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus Helicopters Deutschland GmbH | BO-105A | Airworthiness Directive; MESSERSCHMITT-BOLKOW-BLOHM GmbH Model BO-105 Series Helicopters |
| aircraft | Airbus Helicopters Deutschland GmbH | BO-105C | Airworthiness Directive; MESSERSCHMITT-BOLKOW-BLOHM GmbH Model BO-105 Series Helicopters |
| aircraft | Airbus Helicopters Deutschland GmbH | BO-105S | Airworthiness Directive; MESSERSCHMITT-BOLKOW-BLOHM GmbH Model BO-105 Series Helicopters |
Unsafe Condition
The absence of fire protection paint between the engine cowling and asbestos fabric could result in inadequate fire protection, increasing the risk of fire propagation.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect for fire protection paint between the engine cowling and asbestos fabric per Service Bulletin 60-46. If no paint is found, replace heat-damaged or brittle asbestos fabric and reinstall the engine cowling. If paint is present, remove and replace the asbestos lining, apply fire protection paint and top lacquer, and apply two coats of Wiedokoll fire protection paint N6582.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
prior to accumulation of 100 hours time in service after the effective date of this AD, or before November 15, 1980, whichever occurs later
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
MESSERSCHMITT-BOLKOW-BLOHM GmbH Model BO-105A, BO-105C, BO-105S helicopters, serial numbers up to and including 450, with engine cowling assemblies P/N 105-62502, 105-62503, 105-62651, 105-62656, 105-62657, or 105-62658 installed.
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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