AD 82-12-01

final rule

Airworthiness Directives; BRITISH AEROSPACE (formerly Hawker Siddeley Aviation, Ltd.) Model HS/BH/DH-125 Series Airplanes

AD Number
82-12-01
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 Aviat Various Airworthiness Directives; BRITISH AEROSPACE (formerly Hawker Siddeley Aviation, Ltd.) Model HS/BH/DH-125 Series Airplanes

Unsafe Condition

Blocking of the main landing gear restrictor valves due to debris contamination

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

Required Actions

Disassemble and inspect main landing gear restrictor valves for debris contamination, reassemble, install in-line filters per Service Bulletin 32-190, and consider special flight permits or alternate means of compliance if approved.

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

Compliance Time

within 100 flight 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

BRITISH AEROSPACE (formerly Hawker Siddeley Aviation, Ltd.) HS/BH/DH-125 series airplanes up to series 700 not modified per Modification 252837

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

Federal Register Abstract

Main Landing Gear Restrictor Valves

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_82-12-01.html
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AD Number:
82-12-01
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; BRITISH AEROSPACE (formerly Hawker Siddeley Aviation, Ltd.) Model HS/BH/DH...Show more
Subject:
Main Landing Gear Restrictor Valves
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
06/08/1982
Make:
Model:
BH.125 Series 400A | BH.125 Series 600A | DH.125 Series 1A | DH.125 Series 1A/R-522 | DH.125 Series ...Show more
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Superseded AD: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Superseded By: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: 82-12-01
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-4391

AD NUMBER:   82-12-01

SUBJECT HEADING:   Airworthiness Directives; BRITISH AEROSPACE (formerly Hawker Siddeley Aviation, Ltd.) Model HS/BH/DH-125 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective June 8, 1982.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   82-12-01 BRITISH AEROSPACE (formerly Hawker Siddeley Aviation, Ltd.): Amendment 39-4391. HS/BH/DH-125 series airplanes certificated in all categories up to and including series 700 which have not been modified in accordance with Modification 252837. Compliance is required within 100 flight hours time in service after the effective date of this AD, unless already accomplished. To prevent blocking of the main landing gear restrictor valves, accomplish the following:

1. Disassemble the main landing gear restrictor valves and inspect for debris contamination, reassemble, and install in-line filters in accordance with British Aerospace Aircraft Group 125 Series Aircraft Service Bulletin 32-190 dated August 28, 1981.

2. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of this AD.

3. Alternate means of compliance which provide an equivalent level of safety may be used when approved by the Chief, Seattle Area Aircraft Certification Office, FAA Northwest Mountain Region.

The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1).

This amendment becomes effective June 8, 1982.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_82-12-01.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
82-12-01
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; BRITISH AEROSPACE (formerly Hawker Siddeley Aviation, Ltd.) Model HS/BH/DH...Show more
Subject:
Main Landing Gear Restrictor Valves
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
06/08/1982
Make:
Model:
BH.125 Series 400A | BH.125 Series 600A | DH.125 Series 1A | DH.125 Series 1A/R-522 | DH.125 Series ...Show more
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: 82-12-01
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-4391

AD NUMBER:   82-12-01

SUBJECT HEADING:   Airworthiness Directives; BRITISH AEROSPACE (formerly Hawker Siddeley Aviation, Ltd.) Model HS/BH/DH-125 Series Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective June 8, 1982.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   82-12-01 BRITISH AEROSPACE (formerly Hawker Siddeley Aviation, Ltd.): Amendment 39-4391. HS/BH/DH-125 series airplanes certificated in all categories up to and including series 700 which have not been modified in accordance with Modification 252837. Compliance is required within 100 flight hours time in service after the effective date of this AD, unless already accomplished. To prevent blocking of the main landing gear restrictor valves, accomplish the following:

1. Disassemble the main landing gear restrictor valves and inspect for debris contamination, reassemble, and install in-line filters in accordance with British Aerospace Aircraft Group 125 Series Aircraft Service Bulletin 32-190 dated August 28, 1981.

2. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of this AD.

3. Alternate means of compliance which provide an equivalent level of safety may be used when approved by the Chief, Seattle Area Aircraft Certification Office, FAA Northwest Mountain Region.

The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1).

This amendment becomes effective June 8, 1982.

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.