# AD 77-23-05: Wing or Empennage Assemblies

- Type: Airworthiness directive
- Status: Current
- Products: British Aerospace, Aircraft Group B.206 Series 1 and B.206 Series 2
- Effective: December 10, 1977
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-3076
- Registered aircraft: 4 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/634EF4E637B5608886256A34005C0E5E.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/77-23-05

## The airworthiness directive

77-23-05 SCOTTISH AVIATION, LTD. (Formerly BEAGLE AVIATION, LTD.): Amendment 39-3076. Applies to Beagle Model B206 Series 1 and Series 2 airplanes, certificated in all categories.

Compliance is required as indicated.

To prevent possible fatigue failure of the outer wing, wing center section, and empennage assemblies, accomplish the following:

  (a) Prior to the accumulation of 11,000 hours total time in service on the outer wing, wing center section, or empennage assemblies, replace the affected assembly with an assembly of the same part number, or a part number approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa, and Middle East Region, which has accumulated less than 11,000 hours total time in service.

  (b) Operators who have not kept records of hours of time in service on any assembly to which a provision of this AD applies shall substitute airplane hours time in service in lieu thereof.

(Scottish Aviation, Limited, Mandatory Service Bulletin No. B206/54, dated October 21, 1975, covers the same subject.)

This amendment becomes effective December 10, 1977.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A11EU](https://openairdocs.org/tcds/A11EU): British Aerospace Aircraft Group; names 2 of 2 models: B.206 Series 2, B.206 Series 1

## 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: 4 (4 by airframe model, 0 by engine model)
- Makers: Beagle 4

Models with the most aircraft:

- [Beagle B.206 SERIES 1](https://openairdocs.org/model/beagle-b-206-series-1): 2 aircraft (airframe model)
- [Beagle B.206 SERIES 2](https://openairdocs.org/model/beagle-b-206-series-2): 2 aircraft (airframe model)

All 2 models: https://openairdocs.org/ad/77-23-05/models.md
Every aircraft: https://openairdocs.org/ad/77-23-05/aircraft.md

Its text cites no advisory circulars or STCs.

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