47-51-13: Cabin Heat Control Valve
FAA order 47-51-13 is an airworthiness directive. The FAA's subject line: Cabin Heat Control Valve. It names Bellanca 14: about 282 aircraft on the U.S. register today, though an order usually covers particular versions or serial numbers rather than every one. System: engine.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Bellanca Aircraft Corporation
- Models
- 14-13, 14-13-2, 14-13-3, 14-13-3W
- On this site
- Bellanca 14 282 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 (491 characters)
47-51-13 BELLANCA: Applies to Model 14-13 Serial Numbers 1060 Through 1513, 1545, 1548, 1551 Through 1560.
Compliance required not later than May 1, 1948.
To eliminate the possibility of an engine compartment fire entering the fuselage through the firewall cabin heater opening, remove the aluminum cabin heat control valve and replace with a steel valve of new design Bellanca Drawing No. 15067-40.
(Bellanca Service Bulletin No. 11 dated June 20, 1947, 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/47-51-13.json · aircraft systems.