AD 48-13-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | American Champion Aircraft Corp. | 11AC | Airworthiness Directives; Aeronca Model 11AC and S11AC Airplanes |
| aircraft | American Champion Aircraft Corp. | S11AC | Airworthiness Directives; Aeronca Model 11AC and S11AC Airplanes |
Unsafe Condition
Interference and failure of the turnbuckle forks at the attachment points of the two elevator control cables to the horn located on the bottom of the control column.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect to determine that AN 161-16RS turnbuckle forks have been replaced by AN 160-16S forks. The new fork must have a distance of 15/32 inch from the bottom of the fork slot to the center of the attachment bolt, which is smaller than the original 3/8 inch.
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Compliance Time
at next periodic inspection but not later than May 1, 1948
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Affected Aircraft
Aeronca Model 11AC and S11AC Serial Numbers 1 Through 931.
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Federal Register Abstract
Turnbuckle Fork Replacement
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_48-13-07.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 48-13-07 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Aeronca Model 11AC and S11AC Airplanes Subject: Turnbuckle Fork Replacement Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: American Champion Aircraft Corp. Model: 11AC | S11AC Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 48-13-07 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 48-13-07 SUBJECT HEADING: Airworthiness Directives; Aeronca Model 11AC and S11AC Airplanes ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 48-13-07 AERONCA: Applies to 11AC and S11AC Serial Numbers 1 Through 931. Compliance required at next periodic inspection but not later than May 1, 1948. To eliminate interference and failure of the turnbuckle forks at the attachment points of the two elevator control cables to the horn located on the bottom of the control column, inspect to determine that AN 161-16RS turnbuckle forks have been replaced by AN 160-16S forks. The distance between the bottom of the fork slot to the center of the attachment bolt on the new fork is 15/32 inch and the original fork is only 3/8 inch. (Aeronca Service Helps and Hints No. 19 covers this subject.) FOOTER:
Document Text
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AD Final Rules - DRS_48-13-07.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 48-13-07 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Aeronca Model 11AC and S11AC Airplanes Subject: Turnbuckle Fork Replacement Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: American Champion Aircraft Corp. Model: 11AC | S11AC 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: 48-13-07 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 48-13-07 SUBJECT HEADING: Airworthiness Directives; Aeronca Model 11AC and S11AC Airplanes ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 48-13-07 AERONCA: Applies to 11AC and S11AC Serial Numbers 1 Through 931. Compliance required at next periodic inspection but not later than May 1, 1948. To eliminate interference and failure of the turnbuckle forks at the attachment points of the two elevator control cables to the horn located on the bottom of the control column, inspect to determine that AN 161-16RS turnbuckle forks have been replaced by AN 160-16S forks. The distance between the bottom of the fork slot to the center of the attachment bolt on the new fork is 15/32 inch and the original fork is only 3/8 inch. (Aeronca Service Helps and Hints No. 19 covers this subject.) 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.
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