AD 75-27-01

final rule

Airworthiness Directives; Hawker Siddeley Aviation Ltd Model DH-104 Series Airplanes

AD Number
75-27-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.
Technical illustration of an aircraft landing gear and wheel assembly
Problem area Landing gear

Applicability

TypeManufacturerModelDetails
aircraft de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 1A Airworthiness Directives; Hawker Siddeley Aviation Ltd Model DH-104 Series Airplanes
aircraft de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 2A Airworthiness Directives; Hawker Siddeley Aviation Ltd Model DH-104 Series Airplanes
aircraft de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 5A Airworthiness Directives; Hawker Siddeley Aviation Ltd Model DH-104 Series Airplanes
aircraft de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 5BA Airworthiness Directives; Hawker Siddeley Aviation Ltd Model DH-104 Series Airplanes
aircraft de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 6A Airworthiness Directives; Hawker Siddeley Aviation Ltd Model DH-104 Series Airplanes
aircraft de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 6BA Airworthiness Directives; Hawker Siddeley Aviation Ltd Model DH-104 Series Airplanes
aircraft de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 7A Airworthiness Directives; Hawker Siddeley Aviation Ltd Model DH-104 Series Airplanes
aircraft de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 7AXC Airworthiness Directives; Hawker Siddeley Aviation Ltd Model DH-104 Series Airplanes
aircraft de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 8A Airworthiness Directives; Hawker Siddeley Aviation Ltd Model DH-104 Series Airplanes
aircraft de Havilland Aircraft Co., Ltd., The D.H. 104 Dove Series 8AXC Airworthiness Directives; Hawker Siddeley Aviation Ltd Model DH-104 Series Airplanes

Unsafe Condition

Cracking of the nose gear and main gear adjusting screws, P/N 4U.493.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Replace the three adjusting screws, P/N 4U.493, with new adjusting screws, P/N 4U.567, in accordance with paragraph No. 5 of Hawker Siddeley Technical News Sheet No. 231 dated March 19, 1973, or with FAA-approved equivalent parts and procedure.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

within the next 250 hours' time in service after the effective date of this AD

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Hawker Siddeley Aviation Ltd Model DH-104 Series airplanes certificated in all categories except those modified in accordance with Hawker Siddeley Modification 1723.

AI-generated summary from the source AD text. Verify against the official source before acting.

Federal Register Abstract

Nose and Main Gear Screws

Applicability Source Text

Show captured applicability text from the source AD
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AD Number:
75-27-01
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Hawker Siddeley Aviation Ltd Model DH-104 Series Airplanes
Subject:
Nose and Main Gear Screws
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
01/19/1976
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: 75-27-01
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-2473

AD NUMBER:   75-27-01

SUBJECT HEADING:   Airworthiness Directives; Hawker Siddeley Aviation Ltd Model DH-104 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective on January 19, 1976.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
75-27-01 HAWKER SIDDELEY AVIATION LTD: Amendment 39-2473. Applies to DH-104 Series airplanes certificated in all categories except those modified in accordance with Hawker Siddeley Modification 1723.

Compliance is required within the next 250 hours' time in service after the effective date of this AD, unless already accomplished.

To prevent cracking of the nose gear and main gear adjusting screws, replace the three adjusting screws, P/N 4U.493, with new adjusting screws, P/N 4U.567, in accordance with paragraph No. 5 of Hawker Siddeley Technical News Sheet No. 231, dated March 19, 1973, or with FAA-approved equivalent parts and procedure.

This amendment becomes effective on January 19, 1976.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_75-27-01.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
75-27-01
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Hawker Siddeley Aviation Ltd Model DH-104 Series Airplanes
Subject:
Nose and Main Gear Screws
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
01/19/1976
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: 75-27-01
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-2473

AD NUMBER:   75-27-01

SUBJECT HEADING:   Airworthiness Directives; Hawker Siddeley Aviation Ltd Model DH-104 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective on January 19, 1976.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
75-27-01 HAWKER SIDDELEY AVIATION LTD: Amendment 39-2473. Applies to DH-104 Series airplanes certificated in all categories except those modified in accordance with Hawker Siddeley Modification 1723.

Compliance is required within the next 250 hours' time in service after the effective date of this AD, unless already accomplished.

To prevent cracking of the nose gear and main gear adjusting screws, replace the three adjusting screws, P/N 4U.493, with new adjusting screws, P/N 4U.567, in accordance with paragraph No. 5 of Hawker Siddeley Technical News Sheet No. 231, dated March 19, 1973, or with FAA-approved equivalent parts and procedure.

This amendment becomes effective on January 19, 1976.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.