AD 77-06-01

final rule

Airworthiness Directives; Mooney Model M20J Airplanes

AD Number
77-06-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Mooney Aviation Company Inc M20J Airworthiness Directives; Mooney Model M20J Airplanes

Unsafe Condition

False altitude, airspeed, and vertical speed indications presented to the pilot due to contamination or malfunction of the alternate static source valve (Gerdes P/N A-1390).

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

Required Actions

Disassemble, clean, lubricate, and reassemble the alternate static source valve (Gerdes P/N A-1390), and leak test the static system in accordance with Mooney Service Bulletin No. M20-197 or later approved revision.

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

Compliance Time

Before further flight in instrument meteorological conditions, or night flight, or within the next 5 hours' day visual flight rules time in service after the effective date of this AD, unless already accomplished.

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

Affected Aircraft

Mooney Model M20J airplanes with serial numbers 24-0001 through 24-0085, 24-0087, 24-0088, 24-0090 through 24-0095, 24-0097 through 24-0102.

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

Federal Register Abstract

Instrument Conditions

Applicability Source Text

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AD Number:
77-06-01
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Mooney Model M20J Airplanes
Subject:
Instrument Conditions
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
03/18/1977
Make:
Mooney Aviation Company Inc
Model:
M20J
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Superseded AD: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Superseded By: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: 77-06-01
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-2851

AD NUMBER:   77-06-01

SUBJECT HEADING:   Airworthiness Directives; Mooney Model M20J Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective March 18, 1977.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   77-06-01 MOONEY AIRCRAFT CORPORATION: Amendment 39-2851. Applies to Model M20J airplanes S/N 24-0001 through 24-0085, 24-0087, 24-0088, 24-0090 through 24- 0095, 24-0097 through 24-0102.
Compliance required before further flight in instrument meteorological conditions, or night flight, or within the next 5 hours' day visual flight rules time in service after the effective date of this AD, unless already accomplished.
To prevent false altitude, airspeed and vertical speed indications from being presented to the pilot, accomplish the following:
Disassemble, clean, lubricate, and reassemble the alternate static source valve, Gerdes P/N A-1390, and leak test the static system in accordance with Mooney Service Bulletin No. M20-197 dated February 28, 1977, or later approved revision.
The manufacturer's Service Bulletin identified and described in this directive is incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received this Service Bulletin from the manufacturer may obtain a copy upon request to Manager, Engineering Administration and Technical Services, Mooney Aircraft Corporation, Kerrville, Texas 78028; Telephone No. 512-257-4043.
This service bulletin may also be examined at the office of the Regional Counsel, Southwest Region, FAA, 4400 Blue Mound Road, Fort Worth, Texas and at FAA Headquarters, 800 Independence Avenue, S.W., Washington, D.C. A historical file on this AD, which includes the incorporated material in full, is maintained by the FAA at its headquarters in Washington, D.C., and at the Southwest Region Office in Fort Worth, Texas.
This Amendment becomes effective on March 18, 1977.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_77-06-01.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
77-06-01
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Mooney Model M20J Airplanes
Subject:
Instrument Conditions
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
03/18/1977
Make:
Mooney Aviation Company Inc
Model:
M20J
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: 77-06-01
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-2851

AD NUMBER:   77-06-01

SUBJECT HEADING:   Airworthiness Directives; Mooney Model M20J Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective March 18, 1977.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   77-06-01 MOONEY AIRCRAFT CORPORATION: Amendment 39-2851. Applies to Model M20J airplanes S/N 24-0001 through 24-0085, 24-0087, 24-0088, 24-0090 through 24- 0095, 24-0097 through 24-0102.
Compliance required before further flight in instrument meteorological conditions, or night flight, or within the next 5 hours' day visual flight rules time in service after the effective date of this AD, unless already accomplished.
To prevent false altitude, airspeed and vertical speed indications from being presented to the pilot, accomplish the following:
Disassemble, clean, lubricate, and reassemble the alternate static source valve, Gerdes P/N A-1390, and leak test the static system in accordance with Mooney Service Bulletin No. M20-197 dated February 28, 1977, or later approved revision.
The manufacturer's Service Bulletin identified and described in this directive is incorporated herein and made a part hereof pursuant to 5 U.S.C. 552(a)(1). All persons affected by this directive who have not already received this Service Bulletin from the manufacturer may obtain a copy upon request to Manager, Engineering Administration and Technical Services, Mooney Aircraft Corporation, Kerrville, Texas 78028; Telephone No. 512-257-4043.
This service bulletin may also be examined at the office of the Regional Counsel, Southwest Region, FAA, 4400 Blue Mound Road, Fort Worth, Texas and at FAA Headquarters, 800 Independence Avenue, S.W., Washington, D.C. A historical file on this AD, which includes the incorporated material in full, is maintained by the FAA at its headquarters in Washington, D.C., and at the Southwest Region Office in Fort Worth, Texas.
This Amendment becomes effective on March 18, 1977.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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