AD 46-50-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Waco Aircraft Company, The | INF | Airworthiness Directives; WACO Model INF, KNF, MNF and RNF Aircraft |
| aircraft | Waco Aircraft Company, The | KNF | Airworthiness Directives; WACO Model INF, KNF, MNF and RNF Aircraft |
| aircraft | Waco Aircraft Company, The | RNF | Airworthiness Directives; WACO Model INF, KNF, MNF and RNF Aircraft |
Unsafe Condition
The fuel line connecting the fuel strainer and carburetor may not be made of rigid metal tubing with flexible hose connections at each end or an approved type flexible hose assembly.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the fuel line to ensure it is either rigid metal tubing with flexible hose connections at each end or an approved type flexible hose assembly. Rework non-conforming installations as soon as possible.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
before next flight - rework (if needed) not later than April 1, 1946
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Waco Aircraft Company, Models INF, KNF, MNF, RNF Aircraft
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Fuel line rework
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_46-50-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 46-50-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; WACO Model INF, KNF, MNF and RNF Aircraft Subject: Fuel line rework Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Waco Aircraft Company, The Model: INF | KNF | RNF Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 46-50-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 46-50-01 SUBJECT HEADING: Airworthiness Directives; WACO Model INF, KNF, MNF and RNF Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 46-50-01 WACO: (Was Special Note 2 of AM-166.) Applies to Models INF, KNF, MNF, RNF Aircraft. Inspection required before next flight - rework (if needed) not later than April 1, 1946. Inspect the fuel line (or lines) connecting the fuel strainer and the carburetor to determine that this line is made up of either: (a) Rigid metal tubing with flexible hose connections at each end, or (b) Approved type flexible hose assembly. Aircraft found to have fuel line installations not conforming to either (a) or (b) shall be altered to conform as soon as possible. (Waco Service Bulletin No. 154 also covers this subject.) FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_46-50-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 46-50-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; WACO Model INF, KNF, MNF and RNF Aircraft Subject: Fuel line rework Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Waco Aircraft Company, The Model: INF | KNF | RNF 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: 46-50-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 46-50-01 SUBJECT HEADING: Airworthiness Directives; WACO Model INF, KNF, MNF and RNF Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 46-50-01 WACO: (Was Special Note 2 of AM-166.) Applies to Models INF, KNF, MNF, RNF Aircraft. Inspection required before next flight - rework (if needed) not later than April 1, 1946. Inspect the fuel line (or lines) connecting the fuel strainer and the carburetor to determine that this line is made up of either: (a) Rigid metal tubing with flexible hose connections at each end, or (b) Approved type flexible hose assembly. Aircraft found to have fuel line installations not conforming to either (a) or (b) shall be altered to conform as soon as possible. (Waco Service Bulletin No. 154 also covers this subject.) FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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