AD 66-22-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | DH.125 Series 1A | Airworthiness Directives; HAWKER SIDDELEY Model DH.125-1A Airplanes |
Unsafe Condition
Operation with the elevator and aileron gust lock engaged.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Remove gust lock assembly P/N 25CF-1793AB, modify pilot's control wheel and seat rail, install gust lock stowage box assembly P/N 25.MM.333 per Service Bulletin 27-34-(1716), and equip with aileron and elevator gust lock assembly P/N 25.MM.2583.
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Compliance Time
within the next 300 hours' time in service after the effective date of this AD
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Affected Aircraft
HAWKER SIDDELEY Model DH.125-1A Airplanes equipped with Aileron and Elevator Systems Gust Lock P/N 25CF-1793AB.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Aileron and Elevator System
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_66-22-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 66-22-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; HAWKER SIDDELEY Model DH.125-1A Airplanes Subject: Aileron and Elevator System Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/03/1966 Make: Textron Aviation Inc. Model: DH.125 Series 1A Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 66-22-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-281 AD NUMBER: 66-22-03 SUBJECT HEADING: Airworthiness Directives; HAWKER SIDDELEY Model DH.125-1A Airplanes ACTION: SUMMARY: DATES: Effective September 3, 1966. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 66-22-03 HAWKER SIDDELEY: Amdt. 39-281 Part 39 Federal Register September 3, 1966. Applies to Model DH.125-1A Airplanes Equipped With Aileron and Elevator Systems Gust Lock, P/N 25CF-1793AB. Compliance required within the next 300 hours' time in service after the effective date of this AD, unless already accomplished. To prevent operation with the elevator and aileron gust lock engaged, accomplish the following: (a) Remove gust lock assembly, P/N 25CF-1793AB, located on left side of cockpit. (b) Modify pilot's control wheel and seat rail, and install gust lock stowage box assembly, P/N 25.MM. 333, in accordance with Hawker Siddeley Aviation Ltd. Service Bulletin No. 27-34-(1716), dated May 18, 1966, or later ARB-approved issue. (c) Equip airplane with aileron and elevator gust lock assembly P/N 25.MM. 2583. This directive effective September 3, 1966. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_66-22-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 66-22-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; HAWKER SIDDELEY Model DH.125-1A Airplanes Subject: Aileron and Elevator System Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/03/1966 Make: Textron Aviation Inc. Model: DH.125 Series 1A 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: 66-22-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-281 AD NUMBER: 66-22-03 SUBJECT HEADING: Airworthiness Directives; HAWKER SIDDELEY Model DH.125-1A Airplanes ACTION: SUMMARY: DATES: Effective September 3, 1966. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 66-22-03 HAWKER SIDDELEY: Amdt. 39-281 Part 39 Federal Register September 3, 1966. Applies to Model DH.125-1A Airplanes Equipped With Aileron and Elevator Systems Gust Lock, P/N 25CF-1793AB. Compliance required within the next 300 hours' time in service after the effective date of this AD, unless already accomplished. To prevent operation with the elevator and aileron gust lock engaged, accomplish the following: (a) Remove gust lock assembly, P/N 25CF-1793AB, located on left side of cockpit. (b) Modify pilot's control wheel and seat rail, and install gust lock stowage box assembly, P/N 25.MM. 333, in accordance with Hawker Siddeley Aviation Ltd. Service Bulletin No. 27-34-(1716), dated May 18, 1966, or later ARB-approved issue. (c) Equip airplane with aileron and elevator gust lock assembly P/N 25.MM. 2583. This directive effective September 3, 1966. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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