- Effective
- November 12, 1979
- Models
- BN2A MK. III, BN2A MK. III-2, BN2A MK. III-3
- Data sheet
- TCDSA29EU
- Registered aircraft
- 3 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-3588
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.
| File | Size | SHA-256 | Original |
|---|---|---|---|
| FAA DRS HTML | 20 KB | bcadf108…f93c9c9 | FAA DRS (API key needed) |
On this page
The airworthiness directive
79-21-03 BRITTEN-NORMAN (Bembridge) LTD.: Amendment 39-3588. Applies to BN-2A Mk III Series Trislander airplanes, certificated in all categories, which do not incorporate Britten-Norman modification NB/M/679.
Compliance is required prior to the accumulation of 1000 hours time in service or within 200 hours time in service after the effective date of this AD, whichever occurs later, unless already accomplished.
To prevent failure of the elevator trim tab cable and the possible resultant trim tab flutter, replace the existing elevator trim tab cables, P/Ns NB-45-B-2333, 2231, 2229 with new cables P/Ns NB-45-B-2747, 2749, 2745, respectively, in accordance with Britten-Norman Service Bulletin BN-2/SB.75, dated June 27, 1974, or an equivalent approved by the Chief, Aircraft Certification Staff, AEU-100, Federal Aviation Administration, c/o American Embassy, Brussels, Belgium.
This amendment becomes effective November 12, 1979.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 3
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1979 | 1 |
|---|---|
| 1983 | 1 |
1 with no year recorded