AD 79-21-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | B-N Group Ltd. | BN2A MK. III | Airworthiness Directives; Britten-Norman (Bembridge) LTD. BN-2A Mk III Series Trislander Airplanes |
| aircraft | B-N Group Ltd. | BN2A MK. III-2 | Airworthiness Directives; Britten-Norman (Bembridge) LTD. BN-2A Mk III Series Trislander Airplanes |
| aircraft | B-N Group Ltd. | BN2A MK. III-3 | Airworthiness Directives; Britten-Norman (Bembridge) LTD. BN-2A Mk III Series Trislander Airplanes |
Unsafe Condition
Failure of the elevator trim tab cable and possible resultant trim tab flutter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace existing elevator trim tab cables with new cables P/Ns NB-45-B-2747, 2749, 2745, respectively, in accordance with Britten-Norman Service Bulletin BN-2/SB.75 or an equivalent approved by the FAA.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
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.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
B-N Group Ltd. BN2A MK. III, BN2A MK. III-2, BN2A MK. III-3 airplanes that do not incorporate Britten-Norman modification NB/M/679.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.