AD 66-02-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 1A | Airworthiness Directives; de Havilland Model 104 Dove Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 2A | Airworthiness Directives; de Havilland Model 104 Dove Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 5A | Airworthiness Directives; de Havilland Model 104 Dove Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 5BA | Airworthiness Directives; de Havilland Model 104 Dove Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 6A | Airworthiness Directives; de Havilland Model 104 Dove Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 6BA | Airworthiness Directives; de Havilland Model 104 Dove Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 7A | Airworthiness Directives; de Havilland Model 104 Dove Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 7AXC | Airworthiness Directives; de Havilland Model 104 Dove Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 8A | Airworthiness Directives; de Havilland Model 104 Dove Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 8AXC | Airworthiness Directives; de Havilland Model 104 Dove Series Airplanes |
Unsafe Condition
Cracking of pistons P/N AHO.19742 installed in Dunlop pneumatic retraction jacks P/N AH.8463 and P/N AC.11130 fitted to main and nose landing gear assemblies.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace piston P/N AHO.19742 in the pneumatic retraction jacks P/N AH.8463 and AC.11130 on airplanes with 10,000 hours' time in service and every 10,000 hours thereafter. Discontinue replacement after installing de Havilland Modification No. 1144.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Effective February 5, 1966
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
de Havilland Model 104 Dove Series Airplanes with Serial Numbers through 04504
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Main and Nose Landing Gear Assemblies
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_66-02-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 66-02-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; de Havilland Model 104 Dove Series Airplanes Subject: Main and Nose Landing Gear Assemblies Status: Current Citation: Federal Register: January 6, 1966 Citation Publish Date: 01/06/1966 Effective Date: 02/05/1966 Make: de Havilland Aircraft Co., Ltd., The Model: D.H. 104 Dove Series 1A | D.H. 104 Dove Series 2A | D.H. 104 Dove Series 5A | D.H. 104 Dove Series 5...Show more Product Type: Aircraft Product Subtype: Small 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: 66-02-03 CITATION: [Federal Register: January 6, 1966] PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-177 AD NUMBER: 66-02-03 SUBJECT HEADING: Airworthiness Directives; de Havilland Model 104 Dove Series Airplanes ACTION: SUMMARY: DATES: Effective February 5, 1966. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 66-02-03 de HAVILLAND: Amdt. 39-177, Part 39, Federal Register January 6, 1966. Applies to All Model 104 Dove Airplanes with Serial Numbers through 04504. Compliance required as indicated. To prevent further cracking of pistons P/N AHO.19742, installed in Dunlop pneumatic retraction jacks (cylinders) P/N AH.8463 and P/N AC.11130, fitted to the main and nose landing gear assemblies accomplish the following: (a) Unless already accomplished, replace piston P/N AHO.19742 in the pneumatic retraction jacks P/N AH.8463 and P/N AC.11130 on all airplanes that have accumulated 10,000 hours' time in service and thereafter at intervals not to exceed 10,000 hours' time in service. (b) Replacement of the pistons required in (a) may be discontinued after installation of de Havilland Modification No. 1144 which provides jacks with pistons that have an increased service life. (de Havilland Service Technical News Sheet TMS Series C.T. (104 Issue 2 dated July 11, 1960, covers this subject.) This supersedes AD 57-20-02. This directive effective February 5, 1966. FOOTER:
Document Text
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AD Final Rules - DRS_66-02-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 66-02-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; de Havilland Model 104 Dove Series Airplanes Subject: Main and Nose Landing Gear Assemblies Status: Current Citation: Federal Register: January 6, 1966 Citation Publish Date: 01/06/1966 Effective Date: 02/05/1966 Make: de Havilland Aircraft Co., Ltd., The Model: D.H. 104 Dove Series 1A | D.H. 104 Dove Series 2A | D.H. 104 Dove Series 5A | D.H. 104 Dove Series 5...Show more Product Type: Aircraft Product Subtype: Small 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: 66-02-03 CITATION: [Federal Register: January 6, 1966] PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-177 AD NUMBER: 66-02-03 SUBJECT HEADING: Airworthiness Directives; de Havilland Model 104 Dove Series Airplanes ACTION: SUMMARY: DATES: Effective February 5, 1966. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 66-02-03 de HAVILLAND: Amdt. 39-177, Part 39, Federal Register January 6, 1966. Applies to All Model 104 Dove Airplanes with Serial Numbers through 04504. Compliance required as indicated. To prevent further cracking of pistons P/N AHO.19742, installed in Dunlop pneumatic retraction jacks (cylinders) P/N AH.8463 and P/N AC.11130, fitted to the main and nose landing gear assemblies accomplish the following: (a) Unless already accomplished, replace piston P/N AHO.19742 in the pneumatic retraction jacks P/N AH.8463 and P/N AC.11130 on all airplanes that have accumulated 10,000 hours' time in service and thereafter at intervals not to exceed 10,000 hours' time in service. (b) Replacement of the pistons required in (a) may be discontinued after installation of de Havilland Modification No. 1144 which provides jacks with pistons that have an increased service life. (de Havilland Service Technical News Sheet TMS Series C.T. (104 Issue 2 dated July 11, 1960, covers this subject.) This supersedes AD 57-20-02. This directive effective February 5, 1966. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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Related Airworthiness Directives
79-02-07
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77-16-04
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77-14-15
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