# AD 70-02-06: Elevator Trim Tab Attach - Type: Airworthiness directive - Status: Current - Products: B-N Group BN-2, BN-2A, BN-2A-2, BN-2A-20, BN-2A-21, BN-2A-26, BN-2A-27, BN-2A-3, BN-2A-6, BN-2A-8, BN-2A-9, BN2A MK. III and 2 more - Effective: January 11, 1970 - Superseded by: Nothing supersedes this AD - Product type: Aircraft, Small airplane - Amendment: 39-914 - Registered aircraft: 52 may be affected, by airframe or engine model (OpenAirDocs) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/74A51C7C217E7C0386256A450070421C.0001 - DRS record last changed: May 30, 2024 - Page: https://openairdocs.org/ad/70-02-06 ## The airworthiness directive 70-02-06 BRITTEN-NORMAN, LTD: Amdt. 39-914. Applies to Britten-Norman Models BN.2 and BN.2A airplanes. Compliance is required within the next 50 hours' time in service, unless already accomplished. To reduce the possibility of failure of the elevator trim tab attachment structure due to cracking, accomplish the following: (a) Visually inspect the elevator trim tab hinge attachment structure for cracks in the angle of the elevator trailing edge member and elevator skin forward of the trim tab. (b) If cracks are found during the inspection required by paragraph (a) which do not exceed four inches in length, repair the cracks in accordance with Britten-Norman Service Bulletin No. BN-2/SB.1, Issue 5, dated 23 June 1969, or an FAA-approved equivalent, before reinforcing the elevator structure as required by paragraph (d). (c) If cracks are found during the inspection required by paragraph (a) which exceed four inches in length, replace the cracked member before reinforcingthe elevator structure as required by paragraph (d). (d) Reinforce the elevator structure by modifying the elevator trailing edge structure at the trim tab outboard hinge in accordance with Britten-Norman Modification Leaflet No. BN.2/NB/M/339, Issue 1, dated 23 July 1969, or an FAA-approved equivalent. This amendment becomes effective January 11, 1970. ## Affected data sheets (2) (OpenAirDocs) The type certificate data sheets whose models the AD names. - [TCDS A17EU](https://openairdocs.org/tcds/A17EU): Britten-Norman Aerospace Ltd.; names 11 of 18 models: BN-2A-2, BN-2A-9, BN-2A-26, BN-2A-27, BN-2A-3, BN-2A-8, BN-2A-20, BN-2A-21… - [TCDS A29EU](https://openairdocs.org/tcds/A29EU): Britten-Norman Aerospace Ltd.; names 3 of 3 models: BN2A MK. III, BN2A MK. III-2, BN2A MK. III-3 ## Registered aircraft it may apply to (OpenAirDocs) Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment. - Aircraft: 52 (52 by airframe model, 0 by engine model) - Makers: Britten-Norman 47, Britten Norman 3, B-N Group 1, Pilatus Britten-Norman 1 Models with the most aircraft: - [Britten-Norman BN2A-26 ISLANDER](https://openairdocs.org/model/britten-norman-bn2a-26-islander): 14 aircraft (airframe model) - [Britten-Norman BN-2A](https://openairdocs.org/model/britten-norman-bn-2a): 8 aircraft (airframe model) - [Britten-Norman BN-2A-8](https://openairdocs.org/model/britten-norman-bn-2a-8): 8 aircraft (airframe model) - [Britten-Norman BN-2A-27](https://openairdocs.org/model/britten-norman-bn-2a-27): 5 aircraft (airframe model) - [Britten-Norman BN-2A-9](https://openairdocs.org/model/britten-norman-bn-2a-9): 4 aircraft (airframe model) - [Britten-Norman BN-2A-20](https://openairdocs.org/model/britten-norman-bn-2a-20): 3 aircraft (airframe model) - [Britten Norman BN-2A MK III](https://openairdocs.org/model/britten-norman-bn-2a-mk-iii): 2 aircraft (airframe model) - [Britten-Norman BN-2A-21](https://openairdocs.org/model/britten-norman-bn-2a-21): 2 aircraft (airframe model) - [Britten-Norman BN-2 ISLANDER](https://openairdocs.org/model/britten-norman-bn-2-islander): 1 aircraft (airframe model) - [Britten-Norman BN-2A-6](https://openairdocs.org/model/britten-norman-bn-2a-6): 1 aircraft (airframe model) - [Britten Norman BN 2A MKIII 2](https://openairdocs.org/model/britten-norman-bn-2a-mkiii-2): 1 aircraft (airframe model) - [B-N Group BN-2A-26](https://openairdocs.org/model/b-n-group-bn-2a-26): 1 aircraft (airframe model) - [Britten-Norman BN-2A-26](https://openairdocs.org/model/britten-norman-bn-2a-26): 1 aircraft (airframe model) - [Pilatus Britten-Norman BN-2A-26](https://openairdocs.org/model/pilatus-britten-norman-bn-2a-26): 1 aircraft (airframe model) All 14 models: https://openairdocs.org/ad/70-02-06/models.md Every aircraft: https://openairdocs.org/ad/70-02-06/aircraft.md Its text cites no advisory circulars or STCs. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.