AD 51-19-02

final rule

Airworthiness Directives; Piper Models PA-18, PA-20, and PA-22 Aircraft

AD Number
51-19-02
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Piper Aircraft Inc. PA-18 Airworthiness Directives; Piper Models PA-18, PA-20, and PA-22 Aircraft
aircraft Piper Aircraft Inc. PA-20 Airworthiness Directives; Piper Models PA-18, PA-20, and PA-22 Aircraft
aircraft Piper Aircraft Inc. PA-22 Airworthiness Directives; Piper Models PA-18, PA-20, and PA-22 Aircraft

Unsafe Condition

Overage oil radiator hose marked with a solid white line and a broken red line, and designated AN H-35 or MIL H-6000, may be defective and require replacement.

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

Required Actions

Inspect immediately to determine proper hose installation. Replace defective hose marked 'Aromatic Resistant Gates Vulco' with correct hose before the compliance deadline.

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

Compliance Time

not later than August 31, 1951

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

Affected Aircraft

Piper Models PA-18 (Serial Numbers 18-487 to 18-730), PA-20 (Serial Numbers 20-554 to 20-690), and PA-22 (Serial Numbers 22-1 to 22-90)

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

Federal Register Abstract

Oil Radiator Hose

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_51-19-02.html
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Details
AD Number:
51-19-02
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Piper Models PA-18, PA-20, and PA-22 Aircraft
Subject:
Oil Radiator Hose
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
12/04/1956
Effective Date:
Make:
Piper Aircraft Inc.
Model:
PA-18 | PA-20 | PA-22
Product Type:
Aircraft
Product Subtype:
Small Airplane
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
AIR-700: Compliance & Airworthiness Division
Office of Primary Responsibility:
AIR-720: Operational Safety Branch
CFR Part Reference:
Part 39
Comments:
couldn't find issue date
AIRWORTHINESS DIRECTIVES FINAL RULES: 51-19-02
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:  

AD NUMBER:   51-19-02

SUBJECT HEADING:   Airworthiness Directives; Piper Models PA-18, PA-20, and PA-22 Aircraft

ACTION:  

SUMMARY:  

DATES:  

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
51-19-02 PIPER: Applies to Models PA-18 Serial Numbers 18-487 to 18-730 Inclusive; PA-20 Serial Numbers 20-554 to 20-690 Inclusive; and PA-22 Serial Numbers 22-1 to 22-90 Inclusive.

Compliance required by August 31, 1951.

Overage oil radiator hose was installed in an undetermined number of Piper airplanes. Inspect immediately to determine that the proper hose marked with a solid white line and a broken red line and AN H-35 or MIL H-6000 are installed. Defective hose are marked "Aromatic Resistant Gates Vulco" followed by a date with the opposite side marked by a solid white line and broken red line. All defective hose should be replaced as soon as possible but not later than August 31, 1951.

(This information supersedes that in Piper Service Letter No. 165 dated March 23, 1951.)

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_51-19-02.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
51-19-02
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Piper Models PA-18, PA-20, and PA-22 Aircraft
Subject:
Oil Radiator Hose
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
12/04/1956
Effective Date:
Make:
Piper Aircraft Inc.
Model:
PA-18 | PA-20 | PA-22
Product Type:
Aircraft
Product Subtype:
Small Airplane
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
AIR-700: Compliance & Airworthiness Division
Office of Primary Responsibility:
AIR-720: Operational Safety Branch
CFR Part Reference:
Part 39
Comments:
couldn't find issue date
AIRWORTHINESS DIRECTIVES FINAL RULES: 51-19-02
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:  

AD NUMBER:   51-19-02

SUBJECT HEADING:   Airworthiness Directives; Piper Models PA-18, PA-20, and PA-22 Aircraft

ACTION:  

SUMMARY:  

DATES:  

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
51-19-02 PIPER: Applies to Models PA-18 Serial Numbers 18-487 to 18-730 Inclusive; PA-20 Serial Numbers 20-554 to 20-690 Inclusive; and PA-22 Serial Numbers 22-1 to 22-90 Inclusive.

Compliance required by August 31, 1951.

Overage oil radiator hose was installed in an undetermined number of Piper airplanes. Inspect immediately to determine that the proper hose marked with a solid white line and a broken red line and AN H-35 or MIL H-6000 are installed. Defective hose are marked "Aromatic Resistant Gates Vulco" followed by a date with the opposite side marked by a solid white line and broken red line. All defective hose should be replaced as soon as possible but not later than August 31, 1951.

(This information supersedes that in Piper Service Letter No. 165 dated March 23, 1951.)

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.