57-06-01: Landing Gear Lock
FAA order 57-06-01 is an airworthiness directive. The FAA's subject line: Landing Gear Lock. System: landing gear.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Revo, Incorporated
- Models
- Colonial C-1
Dates and paperwork
- Docket
- Unknown
- Status
- Current
- The FAA's document
- Read the order on the FAA's site
The order itself the regulatory text, as published
Show the full text (356 characters)
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.
Source: FAA Dynamic Regulatory System, airworthiness directives. The FAA's document is the authority; the register counts are this site's, from the FAA register of November 6, 2026. Connections as data: /graph/directive/57-06-01.json · aircraft systems.