- Effective
- August 16, 1985
- Models
- Viscount 744, Viscount 745D, Viscount 810
- Data sheet
- TCDSA-814
- Product
- Aircraft · Large airplane
- Amendment
- 39-5095
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.
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On this page
The airworthiness directive
85-14-08 BRITISH AEROSPACE VISCOUNT: Amendment 39-5095. Applies to Model 700 and 800 series airplanes, certificated in any category. To prevent failure of Alternators Part Number N0505 or 0505/1 which are or have been installed at the Number 2 position on Model 800 Series airplanes accomplish the following, unless already accomplished:
A. Replace with a serviceable unit or overhaul in accordance with the Lucas overhaul manual reference 24-20-02 prior to the accumulation of 1250 flying hours or within the next 150 flying hours, whichever occurs later, and thereafter at intervals not to exceed 1250 flying hours.
B. Alternate means of compliance which provide an acceptable level of safety may be used when approved by the Manager, Standardization Branch, Aircraft Certification Division, FAA, Northwest Mountain Region.
C. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD.
This amendment becomes effective August 16, 1985.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.