AD 80-12-12

final rule

Airworthiness Directives; GOVERNMENT AIRCRAFT FACTORIES (GAF) Models N22B and N24A Airplanes

AD Number
80-12-12
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.
Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

Applicability

TypeManufacturerModelDetails
aircraft Nomad TC Pty Ltd N22B Airworthiness Directives; GOVERNMENT AIRCRAFT FACTORIES (GAF) Models N22B and N24A Airplanes
aircraft Nomad TC Pty Ltd N24A Airworthiness Directives; GOVERNMENT AIRCRAFT FACTORIES (GAF) Models N22B and N24A Airplanes

Unsafe Condition

Loss of horizontal stabilizer trim tab due to failure of the replacement trim tab hinge, part number MS 20001-4.

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

Required Actions

Visually inspect and modify the attachment of the right-hand and left-hand trim tab hinges to the horizontal stabilizer in accordance with GAF Nomad Alert Service Bulletin ANMD-27-16 or an FAA-approved equivalent. Aircraft may be flown under FAR 21.197 and 21.199 to a location where the modification can be accomplished.

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

Compliance Time

Within the next 25 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

GOVERNMENT AIRCRAFT FACTORIES (GAF) Models N22B (Serial Nos. N22B-5 and up) and N24A (Serial Nos. N24A-42 and up)

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

Federal Register Abstract

Trim Tab Hinge

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_80-12-12.html
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AD Number:
80-12-12
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; GOVERNMENT AIRCRAFT FACTORIES (GAF) Models N22B and N24A Airplanes
Subject:
Trim Tab Hinge
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
06/26/1980
Make:
Nomad TC Pty Ltd
Model:
N22B | N24A
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Superseded AD: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Superseded By: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: 80-12-12
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3798

AD NUMBER:   80-12-12

SUBJECT HEADING:   Airworthiness Directives; GOVERNMENT AIRCRAFT FACTORIES (GAF) Models N22B and N24A Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective June 26, 1980.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
80-12-12 GOVERNMENT AIRCRAFT FACTORIES (GAF): Amendment 39-3798. Applies to Models N22B (Serial Nos. N22B-5 and up) and N24A (Serial Nos. N24A-42 and up), certificated in all categories, which have had a replacement trim tab hinge, P/N MS 20001-4, installed.

Compliance required as indicated. To prevent loss of horizontal stabilizer trim tab, accomplish the following:

(a) Within the next 25 hours time in service after the effective date of this AD, unless already accomplished, visually inspect and modify, as necessary, the attachment of the right-hand and left-hand trim tab hinge to horizontal stabilizer in accordance with GAF Nomad Alert Service Bulletin ANMD-27-16, dated February 12, 1980, or an FAA-approved equivalent.

(b) Aircraft may be flown in accordance with FAR 21.197 and FAR 21.199 to a location where the modification can be accomplished.

(c) For purposes of complying with this AD, an FAA-approved equivalent must be approved by the Chief, Engineering and Manufacturing District Office, FAA, Pacific-Asia Region, Honolulu, Hawaii.

NOTE: All persons affected by this directive who have not already received these documents from the manufacturer, may obtain copies upon request from the Government Aircraft Factories, 226 Lorimer Street, Port Melbourne, 3207 Vic., Australia. These documents may also be examined at the FAA, Engineering and Manufacturing District Office, 300 Ala Moana Blvd., Room 7321, Honolulu, Hawaii, 96850, and Rules Docket, Room 916, FAA, 800 Independence Avenue, S.W., Washington, D.C. 20591.

This amendment becomes effective June 26, 1980.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_80-12-12.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
80-12-12
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; GOVERNMENT AIRCRAFT FACTORIES (GAF) Models N22B and N24A Airplanes
Subject:
Trim Tab Hinge
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
06/26/1980
Make:
Nomad TC Pty Ltd
Model:
N22B | N24A
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: 80-12-12
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3798

AD NUMBER:   80-12-12

SUBJECT HEADING:   Airworthiness Directives; GOVERNMENT AIRCRAFT FACTORIES (GAF) Models N22B and N24A Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective June 26, 1980.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
80-12-12 GOVERNMENT AIRCRAFT FACTORIES (GAF): Amendment 39-3798. Applies to Models N22B (Serial Nos. N22B-5 and up) and N24A (Serial Nos. N24A-42 and up), certificated in all categories, which have had a replacement trim tab hinge, P/N MS 20001-4, installed.

Compliance required as indicated. To prevent loss of horizontal stabilizer trim tab, accomplish the following:

(a) Within the next 25 hours time in service after the effective date of this AD, unless already accomplished, visually inspect and modify, as necessary, the attachment of the right-hand and left-hand trim tab hinge to horizontal stabilizer in accordance with GAF Nomad Alert Service Bulletin ANMD-27-16, dated February 12, 1980, or an FAA-approved equivalent.

(b) Aircraft may be flown in accordance with FAR 21.197 and FAR 21.199 to a location where the modification can be accomplished.

(c) For purposes of complying with this AD, an FAA-approved equivalent must be approved by the Chief, Engineering and Manufacturing District Office, FAA, Pacific-Asia Region, Honolulu, Hawaii.

NOTE: All persons affected by this directive who have not already received these documents from the manufacturer, may obtain copies upon request from the Government Aircraft Factories, 226 Lorimer Street, Port Melbourne, 3207 Vic., Australia. These documents may also be examined at the FAA, Engineering and Manufacturing District Office, 300 Ala Moana Blvd., Room 7321, Honolulu, Hawaii, 96850, and Rules Docket, Room 916, FAA, 800 Independence Avenue, S.W., Washington, D.C. 20591.

This amendment becomes effective June 26, 1980.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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