47-25-01: Fuel System Rework
FAA order 47-25-01 is an airworthiness directive. The FAA's subject line: Fuel System Rework. System: fuel system.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Superior Aircraft Company
- Models
- V, V-2
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 (489 characters)
47-25-01 CULVER: (Was Mandatory Note 3 of AD-778-2.) Applies to Models V and V2 Aircraft Serial Number V-1 and Up.
Compliance required prior to August 15, 1947.
In order to correct the possibility of unequal fuel feed from the two tanks, with the attendant possibility of air lock, rework the fuel system to incorporate a sump tank (P/N 11202-1) in former location of feed "T" fitting and revised fuel feed and vent lines.
(Culver Service Bulletin No. 17 covers this same subject.)
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/47-25-01.json · aircraft systems.