AD 80-16-01 R1

final rule
Data completeness: 70%

Airworthiness Directive; MESSERSCHMITT-BOLKOW-BLOHM GmbH Model BO-105 Series Helicopters

AD Number
80-16-01 R1
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
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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