AD 48-03-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-11 | Airworthiness Directives; Piper Model PA-11 Aircraft |
Unsafe Condition
Engine malfunctioning due to insufficient fuel flow when less than 5 gallons of fuel are in the wing tank and the airplane is operated in prolonged glides and dives.
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Required Actions
Install a header tank (Piper P/N 10725) in the fuel system. Until installed, avoid prolonged glides and dives when less than 5 gallons fuel are in the main tank.
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Compliance Time
April 1, 1948
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Affected Aircraft
Piper Aircraft Inc. Model PA-11, serial numbers 11-1 Through 11-301, and 11-1350 Through 11-1400, except serial numbers 11-233, 11-243, 11-261, 11-266, 11-281, 11-296, and 11-300.
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Federal Register Abstract
Header Tank Installation
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_48-03-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 48-03-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-11 Aircraft Subject: Header Tank Installation Status: Current Citation: This information is not available. Citation Publish Date: 06/17/1950 Effective Date: Make: Piper Aircraft Inc. Model: PA-11 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: AIR-700: Compliance & Airworthiness Division Office of Primary Responsibility: AIR-720: Operational Safety Branch CFR Part Reference: Part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: could not find document issue date AIRWORTHINESS DIRECTIVES FINAL RULES: 48-03-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 48-03-03 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-11 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 48-03-03 PIPER: Applies to PA-11 Aircraft Serial Numbers 11-1 Through 11-301, and 11-1350 Through 11-1400, Except Serial Numbers 11-233, 11-243, 11-261, 11-266, 11-281, 11- 296, and 11-300. Compliance required by April 1, 1948. In order to prevent engine malfunctioning due to insufficient fuel flow when less than 5 gallons of fuel are in the wing tank and the airplane is operated in prolonged glides and dives, a header tank (Piper P/N 10725) must be installed in the fuel system. Until the header tank is installed, avoid prolonged glides and dives when less than 5 gallons fuel are in the main tank. (Piper Service Bulletin No. 99 dated July 29, 1947, covers this subject.) FOOTER:
Document Text
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AD Final Rules - DRS_48-03-03.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 48-03-03 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Piper Model PA-11 Aircraft Subject: Header Tank Installation Status: Current Citation: This information is not available. Citation Publish Date: 06/17/1950 Effective Date: Make: Piper Aircraft Inc. Model: PA-11 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: could not find document issue date AIRWORTHINESS DIRECTIVES FINAL RULES: 48-03-03 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 48-03-03 SUBJECT HEADING: Airworthiness Directives; Piper Model PA-11 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 48-03-03 PIPER: Applies to PA-11 Aircraft Serial Numbers 11-1 Through 11-301, and 11-1350 Through 11-1400, Except Serial Numbers 11-233, 11-243, 11-261, 11-266, 11-281, 11- 296, and 11-300. Compliance required by April 1, 1948. In order to prevent engine malfunctioning due to insufficient fuel flow when less than 5 gallons of fuel are in the wing tank and the airplane is operated in prolonged glides and dives, a header tank (Piper P/N 10725) must be installed in the fuel system. Until the header tank is installed, avoid prolonged glides and dives when less than 5 gallons fuel are in the main tank. (Piper Service Bulletin No. 99 dated July 29, 1947, covers this subject.) FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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