46-46-01: Fuselage Gas Tank Overflow Line

FAA order 46-46-01 is an airworthiness directive. The FAA's subject line: Fuselage Gas Tank Overflow Line. System: airframe structure.

What it applies to as the FAA lists it

Kind of product: Aircraft
Makes: Univair Aircraft Corporation
Models: 415-C, 415-CD, 415-D

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 (481 characters)

46-46-01  ERCO:  (Was Mandatory Note 9 of AD-718-6.)  Applies Only to 415-C, -CD and -D Aircraft Serial Numbers 2623 to 2994, Inclusive.

	Compliance required prior to January 1, 1947.

	Install a new fuselage gas tank overflow line (Erco P/N 415-48162) and replace the imperial brass compression sleeve No. 60F with a rubber washer No. A549, Kohler Co. of A-64-3, Hayes Industries, Inc.

	(Erco Service Department Bulletin No. 15, dated August 24, 1946, 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/46-46-01.json · aircraft systems.