AD 59-22-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vickers-Armstrongs (Aircraft Limited) | Viscount 810 | Airworthiness Directives; VICKERS Model 810 Series Aircraft |
Unsafe Condition
A gap of less than 0.25 inch between the end of No. 3 flap and the aileron may produce a condition where the flap could foul or contact the inboard end of the aileron under certain flight conditions.
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Required Actions
Inspect for adequate clearance between the outboard end of the No. 3 flap at the No. 4 flap beam unit and the inboard end of the aileron on both sides. Modify the outboard end of the No. 3 flap to provide proper clearance if the gap is less than 0.25 inch.
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Compliance Time
Within the next 500 flight-hours but not later than December 15, 1959
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Affected Aircraft
All Viscount 810 Series Aircraft which do not embody Modification FG.1447
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Federal Register Abstract
Flap-Aileron Clearance
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_59-22-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 59-22-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; VICKERS Model 810 Series Aircraft Subject: Flap-Aileron Clearance 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(Aircraft Limited) Model: Viscount 810 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 59-22-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 59-22-02 SUBJECT HEADING: Airworthiness Directives; VICKERS Model 810 Series Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 59-22-02 VICKERS: Applies to All Viscount 810 Series Aircraft Which Do Not Embody Modification FG.1447. Compliance required as indicated. Service experience has shown that a gap of less than 0.25 inch between the end of No. 3 flap and the aileron may, under certain flight conditions, produce a condition where the flap could foul or contact the inboard end of the aileron (port and starboard wings). Within the next 500 flight-hours but not later than December 15, 1959, inspect for adequate clearance between the outboard end of the No. 3 flap at the No. 4 flap beam unit and the inboard end of the aileron on both the right and left sides. This inspection must also be carried out whenever a flap or an aileron is installed. Where the gap is found to be less than 0.25 inch the outboard end of the No. 3 flap must be modified to provide proper clearance. (Vickers-Armstrongs PTL No. 80 (800/810 Series) and Modification FG.1447 cover the same subject.) FOOTER:
Document Text
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AD Final Rules - DRS_59-22-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 59-22-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; VICKERS Model 810 Series Aircraft Subject: Flap-Aileron Clearance 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: 59-22-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 59-22-02 SUBJECT HEADING: Airworthiness Directives; VICKERS Model 810 Series Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 59-22-02 VICKERS: Applies to All Viscount 810 Series Aircraft Which Do Not Embody Modification FG.1447. Compliance required as indicated. Service experience has shown that a gap of less than 0.25 inch between the end of No. 3 flap and the aileron may, under certain flight conditions, produce a condition where the flap could foul or contact the inboard end of the aileron (port and starboard wings). Within the next 500 flight-hours but not later than December 15, 1959, inspect for adequate clearance between the outboard end of the No. 3 flap at the No. 4 flap beam unit and the inboard end of the aileron on both the right and left sides. This inspection must also be carried out whenever a flap or an aileron is installed. Where the gap is found to be less than 0.25 inch the outboard end of the No. 3 flap must be modified to provide proper clearance. (Vickers-Armstrongs PTL No. 80 (800/810 Series) and Modification FG.1447 cover the same subject.) FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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