46-13-02: Dual Fuel System
FAA order 46-13-02 is an airworthiness directive. The FAA's subject line: Dual Fuel System. It names Lockheed 18: about 13 aircraft on the U.S. register today, though an order usually covers particular versions or serial numbers rather than every one. System: fuel system.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Lockheed Aircraft Corporation
- Models
- 18
- On this site
- Lockheed 18 13 registered
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 (468 characters)
46-13-02 LOCKHEED: (Was Mandatory Note 18 of AD-723-2). Applies Only to Model 18 Airplanes Used in Scheduled Air Carrier Operation.
Compliance required not later than April 30, 1946.
In order to comply with CAR Special Regulation 333, the present fuel system plumbing equipment shall be replaced with a dual fuel system in accordance with Lockheed Service Bulletin No. 18/SB-113, dated August 17, 1945, or any other dual fuel system approved by the Administrator.
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/46-13-02.json · aircraft systems.