- Effective
- January 24, 1980
- Models
- HS.125 Series 700A, HS.125 Series 700B
- Data sheet
- TCDSA3EU
- Registered aircraft
- 22 matched by model
- Product
- Aircraft · Large airplane
- Amendment
- 39-3657
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 January 21, 2026.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
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|---|---|---|---|
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On this page
The airworthiness directive
80-02-07 BRITISH AEROSPACE: Amendment 39-3657. Applies to British Aerospace Model HS 125 Series 700 airplanes with pressure refuel/defuel system installed, certificated in any category.
Compliance is required as indicated unless already accomplished.
To prevent the failure of the aluminum HTE "V" clamps installed in the pressure refuel and defuel system, within the next 50 hours time in service or within the next 28 days after the effective date of this AD, whichever occurs sooner, incorporate British Aerospace modification 252694, or an equivalent modification approved by the Chief, Aircraft Certification Staff, AEU- 100, Europe, Africa, and Middle East Region, Federal Aviation Administration, c/o American Embassy, Brussels, Belgium.
NOTE: British Aerospace Service Bulletin 28-67 revision 1 dated December 19, 1978 and Service Bulletin 28-A66 dated October 3, 1978 refer to this same subject.
This amendment becomes effective January 24, 1980.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 22
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1977 | 1 |
|---|---|
| 1978 | 1 |
| 1980 | 2 |
| 1981 | 1 |
| 1982 | 5 |
| 1984 | 1 |
11 with no year recorded