AD 57-06-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Revo, Incorporated | Colonial C-1 | Airworthiness Directives; Colonial Model C1 Aircraft |
Unsafe Condition
Unwanted extension of the landing gear due to insufficient lock on the landing gear selector valve lever.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install a more positive lock for the landing gear selector valve lever in accordance with Colonial Service Bulletin No. 1 dated January 25, 1957.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
May 1, 1957
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Revo, Incorporated Colonial C-1 Aircraft, serial numbers 2 through 10 inclusive, and serial number 13.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Landing Gear Lock
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_57-06-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 57-06-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Colonial Model C1 Aircraft Subject: Landing Gear Lock Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Revo, Incorporated Model: Colonial C-1 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 57-06-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 57-06-01 SUBJECT HEADING: Airworthiness Directives; Colonial Model C1 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 57-06-01 COLONIAL: Applies to Model C1 Aircraft Serial Numbers 2 Through 10 Inclusive, and Serial Number 13. Compliance required by May 1, 1957. To prevent unwanted extension of the landing gear, a more positive lock must be installed for the landing gear selector valve lever in accordance with Colonial Service Bulletin No. 1 dated January 25, 1957. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_57-06-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 57-06-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Colonial Model C1 Aircraft Subject: Landing Gear Lock Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Revo, Incorporated Model: Colonial C-1 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: 57-06-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 57-06-01 SUBJECT HEADING: Airworthiness Directives; Colonial Model C1 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 57-06-01 COLONIAL: Applies to Model C1 Aircraft Serial Numbers 2 Through 10 Inclusive, and Serial Number 13. Compliance required by May 1, 1957. To prevent unwanted extension of the landing gear, a more positive lock must be installed for the landing gear selector valve lever in accordance with Colonial Service Bulletin No. 1 dated January 25, 1957. 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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