AD 71-13-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 1A | Airworthiness Directives; Hawker Siddeley Aviation Model DH-104 "Dove" Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 2A | Airworthiness Directives; Hawker Siddeley Aviation Model DH-104 "Dove" Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 5A | Airworthiness Directives; Hawker Siddeley Aviation Model DH-104 "Dove" Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 5BA | Airworthiness Directives; Hawker Siddeley Aviation Model DH-104 "Dove" Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 6A | Airworthiness Directives; Hawker Siddeley Aviation Model DH-104 "Dove" Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 6BA | Airworthiness Directives; Hawker Siddeley Aviation Model DH-104 "Dove" Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 7A | Airworthiness Directives; Hawker Siddeley Aviation Model DH-104 "Dove" Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 7AXC | Airworthiness Directives; Hawker Siddeley Aviation Model DH-104 "Dove" Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 8A | Airworthiness Directives; Hawker Siddeley Aviation Model DH-104 "Dove" Series Airplanes |
| aircraft | de Havilland Aircraft Co., Ltd., The | D.H. 104 Dove Series 8AXC | Airworthiness Directives; Hawker Siddeley Aviation Model DH-104 "Dove" Series Airplanes |
Unsafe Condition
Failure of the Dunlop compressed air bottles used in the emergency landing gear extension systems.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the compressed air bottle (P/N AH.7360 or AC.11038) installed in the air bottle assembly (P/N AH.8512). Replace the air bottle assembly with a serviceable assembly of the same part number if the air bottle was manufactured before January 1, 1959.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
on or before August 31, 1971, unless already accomplished
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Hawker Siddeley Aviation Model DH-104 'Dove' Series 1A, 2A, 5A, and other series as specified, with air bottle assemblies (P/N AH.8512) containing compressed air bottles (P/N AH.7360 or AC.11038).
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Dunlop Air Bottle
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_71-13-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 71-13-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Hawker Siddeley Aviation Model DH-104 "Dove" Series Airplanes Subject: Dunlop Air Bottle Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/31/1971 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: 71-13-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1258 AD NUMBER: 71-13-02 SUBJECT HEADING: Airworthiness Directives; Hawker Siddeley Aviation Model DH-104 "Dove" Series Airplanes ACTION: SUMMARY: DATES: Effective July 31, 1971. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 71-13-02 HAWKER SIDDELEY AVIATION: Amdt. 39-1229 as amended by Amendment 39-1258. Applies to Model DH-104 "Dove" airplanes. Compliance is required on or before August 31, 1971, unless already accomplished. To prevent possible failure of the Dunlop compressed air bottles used in the emergency landing gear extension systems, inspect the compressed air bottle (P/N AH.7360 or AC.11038) installed in the air bottle assembly (P/N AH.8512) located under the pilot's seat. If the air bottle was manufactured before January 1, 1959, replace the air bottle assembly with a serviceable assembly of the same part number which incorporates an air bottle (P/N AH.7360 or AC.11038) manufactured on or after January 1, 1959. The date of manufacture is etched on the collar of the bottle. (Hawker Siddeley Technical News Sheet, Series CT(104), No. 214, Issue 2, covers this subject.) Amendment 39-1229 became effective July 30, 1971. This Amendment 39-1258 becomes effective July 31, 1971. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_71-13-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 71-13-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Hawker Siddeley Aviation Model DH-104 "Dove" Series Airplanes Subject: Dunlop Air Bottle Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 07/31/1971 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: 71-13-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-1258 AD NUMBER: 71-13-02 SUBJECT HEADING: Airworthiness Directives; Hawker Siddeley Aviation Model DH-104 "Dove" Series Airplanes ACTION: SUMMARY: DATES: Effective July 31, 1971. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 71-13-02 HAWKER SIDDELEY AVIATION: Amdt. 39-1229 as amended by Amendment 39-1258. Applies to Model DH-104 "Dove" airplanes. Compliance is required on or before August 31, 1971, unless already accomplished. To prevent possible failure of the Dunlop compressed air bottles used in the emergency landing gear extension systems, inspect the compressed air bottle (P/N AH.7360 or AC.11038) installed in the air bottle assembly (P/N AH.8512) located under the pilot's seat. If the air bottle was manufactured before January 1, 1959, replace the air bottle assembly with a serviceable assembly of the same part number which incorporates an air bottle (P/N AH.7360 or AC.11038) manufactured on or after January 1, 1959. The date of manufacture is etched on the collar of the bottle. (Hawker Siddeley Technical News Sheet, Series CT(104), No. 214, Issue 2, covers this subject.) Amendment 39-1229 became effective July 30, 1971. This Amendment 39-1258 becomes effective July 31, 1971. 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
final ruleAirworthiness Directives; Hawker Siddeley Aviation, Limited (British Aerospace) Model DH-104 "Dove" Series Airplanes
Unsafe Condition: Failure of the wing to fuselage attachment and loss of wing in flight due to cracks in the upper three lugs at each end of the center section main spar top boom, P/N 4FS.135 A/1.
78-09-04
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77-16-04
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Unsafe Condition: Fatigue failure of the wing structure due to insufficient fatigue life of the wing lower spar boom and fuselage center section lower spar boom.
77-14-15
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Unsafe Condition: Corrosion of engine mount stay struts, part numbers 4 EM.357A and 4 EM.359A, could result in structural failure.
