AD 46-04-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Superior Aircraft Company | LCA | Airworthiness Directives; Culver Model LCA |
Unsafe Condition
Sharp-edged carburetor float seats used with rubber-tipped needles can cause sticking and cutting of the rubber tip.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
When inspecting or replacing the carburetor float needle or seat, ensure a rounded-edge seat is installed with a rubber-tipped needle to prevent sticking and cutting.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Culver Model LCA with Stromberg Model NA-S3A1 Carburetors installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Carburetor Float Needle
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_46-04-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 46-04-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Culver Model LCA Subject: Carburetor Float Needle Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Superior Aircraft Company Model: LCA Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 46-04-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 46-04-02 SUBJECT HEADING: Airworthiness Directives; Culver Model LCA ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 46-04-02 CULVER: (Was Service Note 6 of AD-730-2.) Applies Only to Model LCA Having Stromberg Model NA-S3A1 Carburetors Installed. When inspecting or replacing carburetor float needle or needle seat, a check should be made to assure that when a rubber tipped needle is used, a seat having rounded edges is installed. Sharp-edged seats, when used with a rubber tipped needle, will cause sticking and cutting of the rubber tip. (This matter is also covered by Continental Service Bulletin No. M45-6 dated May 25, 1945, and Stromberg Aircraft Carburetor Service Bulletin No. 71.) FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_46-04-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 46-04-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Culver Model LCA Subject: Carburetor Float Needle Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Superior Aircraft Company Model: LCA 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: 46-04-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 46-04-02 SUBJECT HEADING: Airworthiness Directives; Culver Model LCA ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 46-04-02 CULVER: (Was Service Note 6 of AD-730-2.) Applies Only to Model LCA Having Stromberg Model NA-S3A1 Carburetors Installed. When inspecting or replacing carburetor float needle or needle seat, a check should be made to assure that when a rubber tipped needle is used, a seat having rounded edges is installed. Sharp-edged seats, when used with a rubber tipped needle, will cause sticking and cutting of the rubber tip. (This matter is also covered by Continental Service Bulletin No. M45-6 dated May 25, 1945, and Stromberg Aircraft Carburetor Service Bulletin No. 71.) FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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Related Airworthiness Directives
46-04-01
final ruleAirworthiness Directives; Culver Models LCA and LFA Aircraft
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