AD 58-24-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 745D | Airworthiness Directives; VICKERS Models 745D and 810 Series Aircraft |
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 810 | Airworthiness Directives; VICKERS Models 745D and 810 Series Aircraft |
Unsafe Condition
Failure of the stall warning system to provide proper electrical continuity or correct functioning of the deicing heater could result in inadequate stall warning indications.
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Required Actions
Install a cockpit switch and associated wiring for the nose gear oleo switch and Safe Flight wing detector vane. Revise airplane flight manuals to include pilot instructions for checking electrical continuity. Perform periodic checks for detector vane calibration and deicing heater function.
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Compliance Time
May 15, 1959
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Affected Aircraft
Vickers-Armstrongs (Aircraft Limited) Viscount Models 745D and 810 Series Aircraft
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Federal Register Abstract
Stall Warning System Switch
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_58-24-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 58-24-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; VICKERS Models 745D and 810 Series Aircraft Subject: Stall Warning System Switch Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Vickers-Armstrongs (Aircraft Limited) Model: Viscount 745D | Viscount 810 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 58-24-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 58-24-04 SUBJECT HEADING: Airworthiness Directives; VICKERS Models 745D and 810 Series Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 58-24-04 VICKERS: Applies to All Viscount Models 745D and 810 Series Aircraft. Compliance required by May 15, 1959. 1. In order to provide a means of checking the electrical continuity of the stall warning system, install a switch in the cockpit and associated wiring for the nose gear oleo switch and Safe Flight wing detector vane. Revisions to the airplane flight manuals for Models 745D and 810 include instructions to the pilot for making the necessary checks. (Vickers Modification Bulletin No. D.2858 for 745D and FG.1487 for 810 cover the same subject.) 2. Periodic checking to assure proper calibration of the detector vane and correct functioning of the deicing heater are also required. (Technical News Sheet No. 212 for 745D and 69 for 810 cover the same subject.) FOOTER:
Document Text
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AD Final Rules - DRS_58-24-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 58-24-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; VICKERS Models 745D and 810 Series Aircraft Subject: Stall Warning System Switch Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Vickers-Armstrongs (Aircraft Limited) Model: 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: 58-24-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 58-24-04 SUBJECT HEADING: Airworthiness Directives; VICKERS Models 745D and 810 Series Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 58-24-04 VICKERS: Applies to All Viscount Models 745D and 810 Series Aircraft. Compliance required by May 15, 1959. 1. In order to provide a means of checking the electrical continuity of the stall warning system, install a switch in the cockpit and associated wiring for the nose gear oleo switch and Safe Flight wing detector vane. Revisions to the airplane flight manuals for Models 745D and 810 include instructions to the pilot for making the necessary checks. (Vickers Modification Bulletin No. D.2858 for 745D and FG.1487 for 810 cover the same subject.) 2. Periodic checking to assure proper calibration of the detector vane and correct functioning of the deicing heater are also required. (Technical News Sheet No. 212 for 745D and 69 for 810 cover the same subject.) FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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