AD 59-25-06

final rule

Airworthiness Directives; Mooney Model M-20A Aircraft

AD Number
59-25-06
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Mooney Aviation Company Inc M20A Airworthiness Directives; Mooney Model M-20A Aircraft

Unsafe Condition

The carburetor alternate air source is prone to icing due to its current exposed location and screen covering, which could block induction system airflow.

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

Required Actions

Relocate the carburetor alternate air source to a sheltered location on the landing light housing, remove the existing screen and inlet, install hose P/N 6064-19 and assembly P/N 6354 with self-locking fasteners, and patch the original hole.

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

Compliance Time

not later than December 30, 1959

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

Affected Aircraft

Mooney Model M-20A Aircraft, serial numbers 1201 through 1500

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

Federal Register Abstract

Carburetor Alternate Air Source

Applicability Source Text

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AD Number:
59-25-06
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Mooney Model M-20A Aircraft
Subject:
Carburetor Alternate Air Source
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
Make:
Mooney Aviation Company Inc
Model:
M20A
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Superseded AD: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Superseded By: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: 59-25-06
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:  

AD NUMBER:   59-25-06

SUBJECT HEADING:   Airworthiness Directives; Mooney Model M-20A Aircraft

ACTION:  

SUMMARY:  

DATES:  

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   59-25-06 MOONEY: Applies to M-20A Aircraft Serial Numbers 1201 Through 1500.
Compliance required not later than December 30, 1959.
In order to minimize the possibility of icing of the induction system alternate air source, relocate the carburetor alternate air source to a more sheltered location and omit the screen covering this opening.
(a) Remove the engine side cowls and the landing light.
(b) Disconnect air hose P/N 6064-19 from present alternate air inlet. Remove screen and air inlet and patch hole.
(c) Cut hole in landing light housing in the upper inboard quadrant to match hose connecting assembly P/N 6354.
(d) Position P/N 6354 inlet on outer side of light housing to match hole cut per item (c). Self-locking nuts and bolts should be used to attach P/N 6354 to landing light housing, in lieu of Tinnerman fasteners furnished with kit.
(e) Attach hose P/N 6064-19 to P/N 6354 with existing clamp and reinstall light and cowling.
(Mooney Service Letter 20-50 covers this same alteration.)

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_59-25-06.html
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Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
59-25-06
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Mooney Model M-20A Aircraft
Subject:
Carburetor Alternate Air Source
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
Make:
Mooney Aviation Company Inc
Model:
M20A
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: 59-25-06
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:  

AD NUMBER:   59-25-06

SUBJECT HEADING:   Airworthiness Directives; Mooney Model M-20A Aircraft

ACTION:  

SUMMARY:  

DATES:  

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   59-25-06 MOONEY: Applies to M-20A Aircraft Serial Numbers 1201 Through 1500.
Compliance required not later than December 30, 1959.
In order to minimize the possibility of icing of the induction system alternate air source, relocate the carburetor alternate air source to a more sheltered location and omit the screen covering this opening.
(a) Remove the engine side cowls and the landing light.
(b) Disconnect air hose P/N 6064-19 from present alternate air inlet. Remove screen and air inlet and patch hole.
(c) Cut hole in landing light housing in the upper inboard quadrant to match hose connecting assembly P/N 6354.
(d) Position P/N 6354 inlet on outer side of light housing to match hole cut per item (c). Self-locking nuts and bolts should be used to attach P/N 6354 to landing light housing, in lieu of Tinnerman fasteners furnished with kit.
(e) Attach hose P/N 6064-19 to P/N 6354 with existing clamp and reinstall light and cowling.
(Mooney Service Letter 20-50 covers this same alteration.)

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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