AD 59-24-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 810 | Airworthiness Directives; VICKERS Model 810 Series Aircraft |
Unsafe Condition
Excessive glare from propeller warning lights could affect pilot visibility.
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Required Actions
Install filtered lamp cowls Vickers P/N 81536.287 on propeller below low stop warning lamps and replace existing lamp cowl Vickers P/N 74536-745 with improved P/N 75436-265 at propeller low stop removed warning lights.
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Compliance Time
December 31, 1959
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Affected Aircraft
Vickers-Armstrongs (Aircraft Limited) Viscount Model 810 Series Aircraft
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Federal Register Abstract
Propeller Warning Lights
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_59-24-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 59-24-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; VICKERS Model 810 Series Aircraft Subject: Propeller Warning Lights Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Vickers-Armstrongs (Aircraft Limited) Model: Viscount 810 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 59-24-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 59-24-01 SUBJECT HEADING: Airworthiness Directives; VICKERS Model 810 Series Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 59-24-01 VICKERS: Applies to all Viscount Model 810 Series Aircraft. Compliance required by December 31, 1959. In order to preclude the possibility of excessive glare affecting the pilots, the following modifications are required. (a) The propeller below low stop warning lamps which are located on the fire control panels should be covered by filtered lamp cowls Vickers P/N 81536.287. (b) Replace the existing lamp cowl Vickers P/N 74536-745, which is installed at the propeller low stop removed warning lights, with an improved lamp cowl Vickers P/N 75436-265. The British Air Registration Board considers this mandatory. (Vickers-Armstrongs Modification Bulletins Nos. FG-1559 and G-1668 cover this subject.) FOOTER:
Document Text
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AD Final Rules - DRS_59-24-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 59-24-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; VICKERS Model 810 Series Aircraft Subject: Propeller Warning Lights Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Vickers-Armstrongs (Aircraft Limited) Model: 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: 59-24-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 59-24-01 SUBJECT HEADING: Airworthiness Directives; VICKERS Model 810 Series Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 59-24-01 VICKERS: Applies to all Viscount Model 810 Series Aircraft. Compliance required by December 31, 1959. In order to preclude the possibility of excessive glare affecting the pilots, the following modifications are required. (a) The propeller below low stop warning lamps which are located on the fire control panels should be covered by filtered lamp cowls Vickers P/N 81536.287. (b) Replace the existing lamp cowl Vickers P/N 74536-745, which is installed at the propeller low stop removed warning lights, with an improved lamp cowl Vickers P/N 75436-265. The British Air Registration Board considers this mandatory. (Vickers-Armstrongs Modification Bulletins Nos. FG-1559 and G-1668 cover this subject.) FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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