AD 68-07-08

final rule

Airworthiness Directives; Maule Models M-4, M- 4C, M-4S, M-4T, M-4-210, M-4-210C, and M-4-220S Series Aircraft

AD Number
68-07-08
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 Maule Aerospace Technology, Inc. M-4 Airworthiness Directives; Maule Models M-4, M- 4C, M-4S, M-4T, M-4-210, M-4-210C, and M-4-220S Series Aircraft
aircraft Maule Aerospace Technology, Inc. M-4-210 Airworthiness Directives; Maule Models M-4, M- 4C, M-4S, M-4T, M-4-210, M-4-210C, and M-4-220S Series Aircraft
aircraft Maule Aerospace Technology, Inc. M-4-210C Airworthiness Directives; Maule Models M-4, M- 4C, M-4S, M-4T, M-4-210, M-4-210C, and M-4-220S Series Aircraft
aircraft Maule Aerospace Technology, Inc. M-4-220C Airworthiness Directives; Maule Models M-4, M- 4C, M-4S, M-4T, M-4-210, M-4-210C, and M-4-220S Series Aircraft
aircraft Maule Aerospace Technology, Inc. M-4-220S Airworthiness Directives; Maule Models M-4, M- 4C, M-4S, M-4T, M-4-210, M-4-210C, and M-4-220S Series Aircraft
aircraft Maule Aerospace Technology, Inc. M-4C Airworthiness Directives; Maule Models M-4, M- 4C, M-4S, M-4T, M-4-210, M-4-210C, and M-4-220S Series Aircraft
aircraft Maule Aerospace Technology, Inc. M-4S Airworthiness Directives; Maule Models M-4, M- 4C, M-4S, M-4T, M-4-210, M-4-210C, and M-4-220S Series Aircraft
aircraft Maule Aerospace Technology, Inc. M-4T Airworthiness Directives; Maule Models M-4, M- 4C, M-4S, M-4T, M-4-210, M-4-210C, and M-4-220S Series Aircraft

Unsafe Condition

Loss of rudder trim tab control and resultant interference with aileron operation.

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

Required Actions

Modify the rudder trim tab hinges in accordance with Maule Aircraft Corporation Service Letter Number 14 dated February 19, 1968, or any other method approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Central Region.

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

Compliance Time

Within the next 50 hours' time in service after the effective date of the airworthiness directive

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

Affected Aircraft

Maule Models M-4 (Serial Numbers 3 thru 94), M-4C (Serial Numbers 1C thru 10C), M-4S (Serial Numbers 1S thru 3S), M-4T (Serial Numbers 1T thru 3T), M-4-210 (Serial Numbers 1001 thru 1045), M-4-210C (Serial Numbers 1001C thru 1064C), M-4-220S (Serial Numbers 2001S thru 2003S), and M-4-220C (Serial Numbers 2001C thru 2006C).

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

Federal Register Abstract

Rudder Trim Tab Control

Applicability Source Text

Show captured applicability text from the source AD 
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AD Number:
68-07-08
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Maule Models M-4, M- 4C, M-4S, M-4T, M-4-210, M-4-210C, and M-4-220S Serie...Show more
Subject:
Rudder Trim Tab Control
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
04/11/1968
Make:
Maule Aerospace Technology, Inc.
Model:
M-4 | M-4-210 | M-4-210C | M-4-220C | M-4-220S | M-4C | M-4S | M-4T
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: 68-07-08
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-578

AD NUMBER:   68-07-08

SUBJECT HEADING:   Airworthiness Directives; Maule Models M-4, M- 4C, M-4S, M-4T, M-4-210, M-4-210C, and M-4-220S Series Aircraft

ACTION:  

SUMMARY:  

DATES:   Effective April 11, 1968.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
68-07-08 MAULE: Amdt. 39-578. Applies to Models M-4, Serial Numbers 3 thru 94, M- 4C, Serial Numbers 1C thru 10C, M-4S, Serial Numbers 1S thru 3S, M-4T, Serial Numbers 1T thru 3T, M-4-210, Serial Numbers 1001 thru 1045, M-4-210C, Serial Numbers 1001C thru 1064C, M-4-220S, Serial Numbers 2001S thru 2003S, and M-4-220C, Serial Numbers 2001C thru 2006C, series aircraft.

Compliance: Required as indicated, unless already accomplished.

To prevent loss of rudder trim tab control and resultant interference within aileron operation, accomplish the following:

Within the next 50 hours' time in service after the effective date of the airworthiness directive, modify the rudder trim tab hinges in accordance with either Maule Aircraft Corporation Service Letter Number 14, dated February 19, 1968, or any other method approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Central Region.

This amendment becomes effective April 11, 1968.

FOOTER:

Document Text

Show stored source text (verify against official source) 
AD Final Rules - DRS_68-07-08.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
68-07-08
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Maule Models M-4, M- 4C, M-4S, M-4T, M-4-210, M-4-210C, and M-4-220S Serie...Show more
Subject:
Rudder Trim Tab Control
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
04/11/1968
Make:
Maule Aerospace Technology, Inc.
Model:
M-4 | M-4-210 | M-4-210C | M-4-220C | M-4-220S | M-4C | M-4S | M-4T
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: 68-07-08
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-578

AD NUMBER:   68-07-08

SUBJECT HEADING:   Airworthiness Directives; Maule Models M-4, M- 4C, M-4S, M-4T, M-4-210, M-4-210C, and M-4-220S Series Aircraft

ACTION:  

SUMMARY:  

DATES:   Effective April 11, 1968.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
68-07-08 MAULE: Amdt. 39-578. Applies to Models M-4, Serial Numbers 3 thru 94, M- 4C, Serial Numbers 1C thru 10C, M-4S, Serial Numbers 1S thru 3S, M-4T, Serial Numbers 1T thru 3T, M-4-210, Serial Numbers 1001 thru 1045, M-4-210C, Serial Numbers 1001C thru 1064C, M-4-220S, Serial Numbers 2001S thru 2003S, and M-4-220C, Serial Numbers 2001C thru 2006C, series aircraft.

Compliance: Required as indicated, unless already accomplished.

To prevent loss of rudder trim tab control and resultant interference within aileron operation, accomplish the following:

Within the next 50 hours' time in service after the effective date of the airworthiness directive, modify the rudder trim tab hinges in accordance with either Maule Aircraft Corporation Service Letter Number 14, dated February 19, 1968, or any other method approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Central Region.

This amendment becomes effective April 11, 1968.

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.

View Official Source ↗ Find More ADs for Maule Aerospace Technology, Inc. M-4

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