60-24-01: Fuel Pressure Relief Valve
FAA order 60-24-01 is an airworthiness directive in force since December 13, 1960. The FAA's subject line: Fuel Pressure Relief Valve. System: engine.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Lockheed Martin Corporation
- Models
- 188A, 188C
Dates and paperwork
- In force since
- December 13, 1960
- 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 (612 characters)
60-24-01 LOCKHEED: Amdt. 222 Part 507 Federal Register November 15, 1960. Applies to All 188 Aircraft.
Compliance required within 5,000 hours' time in service after the effective date of this directive.
To provide protection against possible over-pressurization of fuel tanks during refueling, the following modification is required unless already accomplished:
Install pressure relief overflow valves in each fuel tank. Lockheed overflow valves P/N 634114-7 or -9 are satisfactory for this purpose. (Lockheed Service Bulletin 188/SB-422 covers this subject.)
This directive effective December 13, 1960.
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/60-24-01.json · aircraft systems.