48-12-01: Fire Prevention Requirements
FAA order 48-12-01 is an airworthiness directive. The FAA's subject line: Fire Prevention Requirements. It names Douglas C-54: about 7 aircraft on the U.S. register today, though an order usually covers particular versions or serial numbers rather than every one. System: other and general.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- The Boeing Company
- Models
- C54-DC, C54A-DC, C54B-DC, C54D-DC, C54E-DC, C54G-DC, DC-4
- On this site
- Douglas C-54 7 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 (1,255 characters)
48-12-01 DOUGLAS: Applies to All C-54 and DC-4 Aircraft As Specified by Civil Air Regulations Amendments 41-3, 42-2, and 61-2. \n\n\tTo be accomplished not later than the dates specified in the above amendments as revised by special Civil Air Regulations Serial Nos. 385, 390, 390A, 390B and any subsequent regulations affecting these compliance dates. \n\n\tAll air carrier aircraft must be modified to comply with the fire prevention requirements as outlined in CAR Amendments 41-3, 42-2, and 61-2. The modifications outlined in the following listed Douglas Service Bulletins and AD 47-42-03 are required for compliance with these amendments. Other modifications shown to be equivalent to those covered by the Service Bulletins will also be acceptable. \n\n\tService Bulletin No. 62, Install Smoke Detector in Belly Baggage Compartment; Service Bulletin No. 66, Engine Section Piping and Fitting Revision; Service Bulletin No. 69, Installation of Enclosed Waste Container in Lavatory. \n\n\tIn addition to the above it will be necessary to ascertain that all interior materials and finishes comply with the applicable sections of CAR 4b. Safety Regulation Release 259 outlines acceptable procedures for complying with these particular requirements.
Related safety bulletins advice on the same designs, not orders
2014-11-24NM-15-03 · Flight Controls
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/48-12-01.json · aircraft systems.