47-32-05: Main Rotor Mast Spinner
FAA order 47-32-05 is an airworthiness directive. The FAA's subject line: Main Rotor Mast Spinner. It names Bell 47: about 478 aircraft on the U.S. register today, though an order usually covers particular versions or serial numbers rather than every one. System: propeller.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Scotts-Bell 47 Inc
- Models
- 47B
- On this site
- Bell 47 478 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 (408 characters)
47-32-05 BELL: (Was Mandatory Note 5 of AD-1H-1.) Applies to Model 47B.
Compliance required before next flight.
Remove the main rotor mast spinner assembly from all Model 47B helicopters, in order that the possibility of its jamming the mast control tubes, in the event it becomes loose during flight, is eliminated.
(Bell Service Bulletin 47C38 dated May 15, 1947, also covers this same subject.)
Related safety bulletins advice on the same designs, not orders
2001-02-09SW-01-13 ·
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/47-32-05.json · aircraft systems.