- Effective
- March 7, 1983
- Models
- BN-2A, BN-2A-2, BN-2A-20, BN-2A-21, BN-2A-26, BN-2A-27 and 7 more
- Registered aircraft
- 51 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-4575
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
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On this page
The airworthiness directive
83-05-02 PILATUS BRITTEN-NORMAN: Amendment 39-4575. Applies to Model BN-2A Islander and Model BN-2A MKIII Trislander airplanes certificated in any category which have not been modified in accordance with Modification No. NB/M/939 and Modification No. NB/M/996.
COMPLIANCE: Required within 100 hours time-in-service, unless already accomplished.
To prevent failure of throttle, mixture or propeller control, accomplish the following:
a. Using a 5-power glass, visually inspect the attachment brackets on the teleflex conduit swivel assemblies of the propeller control and the two main engine controls for cracking in accordance with Item 1 of the "Inspection" Section of Britten-Norman Service Bulletin No. BN-2/SB.1O9, Issue 3, dated March 5, 1979.
1. Replace any teleflex swivel assembly having a cracked bracket with a serviceable assembly (Part No. C.79412, Part No. C.79411 or Part No. C.79410) and incorporate a teleflex swivel attachment bracket reinforcement as instructed in the "Application of the Reinforcing Scheme" Section of the Service Bulletin.
2. If the bracket is not cracked, incorporate a teleflex swivel attachment bracket reinforcement as shown in the "Application of the Reinforcing Scheme" Section of the Service Bulletin.
b. Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished.
c. An equivalent method of compliance with this AD may be used if approved by Manager, Aircraft Certification Staff, AEU-100, Europe, Africa and Middle East Office, FAA, c/o American Embassy, 1000 Brussels, Belgium.
This amendment becomes effective on March 7, 1983.
Affected TCDS · 2
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 51
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1968 | 1 |
|---|---|
| 1969 | 5 |
| 1970 | 5 |
| 1971 | 2 |
| 1972 | 2 |
| 1973 | 5 |
| 1974 | 3 |
| 1975 | 1 |
| 1976 | 7 |
| 1977 | 2 |
| 1978 | 3 |
| 1979 | 3 |
| 1980 | 3 |
| 1983 | 1 |
| 1988 | 1 |
7 with no year recorded