AD 85-14-08

final rule

Airworthiness Directives; BRITISH AEROSPACE VISCOUNT Model 700 and 800 Series Airplanes

AD Number
85-14-08
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.
Technical illustration of an aircraft electrical generator and wiring assembly
Problem area Electrical system

Applicability

TypeManufacturerModelDetails
aircraft Vickers-Armstrongs (Aircraft Limited) Viscount 744 Airworthiness Directives; BRITISH AEROSPACE VISCOUNT Model 700 and 800 Series Airplanes
aircraft Vickers-Armstrongs (Aircraft Limited) Viscount 745D Airworthiness Directives; BRITISH AEROSPACE VISCOUNT Model 700 and 800 Series Airplanes
aircraft Vickers-Armstrongs (Aircraft Limited) Viscount 810 Airworthiness Directives; BRITISH AEROSPACE VISCOUNT Model 700 and 800 Series Airplanes

Unsafe Condition

Failure of Alternators Part Number N0505 or 0505/1 installed at the Number 2 position on Model 800 Series airplanes.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

prior to the accumulation of 1250 flying hours or within the next 150 flying hours, whichever occurs later

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Model 700 and 800 series airplanes, certificated in any category

AI-generated summary from the source AD text. Verify against the official source before acting.

Federal Register Abstract

Alternators

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_85-14-08.html
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AD Number:
85-14-08
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; BRITISH AEROSPACE VISCOUNT Model 700 and 800 Series Airplanes
Subject:
Alternators
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
08/16/1985
Make:
Vickers-Armstrongs (Aircraft Limited)
Model:
Viscount 744 | Viscount 745D | Viscount 810
Product Type:
Aircraft
Product Subtype:
Large Airplane
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 85-14-08
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-5095

AD NUMBER:   85-14-08

SUBJECT HEADING:   Airworthiness Directives; BRITISH AEROSPACE VISCOUNT Model 700 and 800 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective August 16, 1985.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   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.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_85-14-08.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
85-14-08
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; BRITISH AEROSPACE VISCOUNT Model 700 and 800 Series Airplanes
Subject:
Alternators
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
08/16/1985
Make:
Vickers-Armstrongs (Aircraft Limited)
Model:
Viscount 744 | Viscount 745D | Viscount 810
Product Type:
Aircraft
Product Subtype:
Large Airplane
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 85-14-08
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-5095

AD NUMBER:   85-14-08

SUBJECT HEADING:   Airworthiness Directives; BRITISH AEROSPACE VISCOUNT Model 700 and 800 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective August 16, 1985.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   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.

FOOTER:

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.