48-02-01: Tail Rotor Drive Shaft
FAA order 48-02-01 is an airworthiness directive. The FAA's subject line: Tail Rotor Drive Shaft. 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: rotorcraft systems.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Scotts-Bell 47 Inc
- Models
- 47B, 47B3
- 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 (414 characters)
48-02-01 BELL: Applies to All 47B Series, Through Serial Number 78.
Compliance required before next 25 hours of operation.
Reinforce the tail rotor drive shaft bearing hangers by riveting reinforcement plates, Bell P/N 47-267-001-152, -153, -154, -155, -156, and -157, to the appropriate hangers with AN 470- AD3-4 rivets.
(Bell Service Bulletin 47C56 dated September 10, 1947, also covers this 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/48-02-01.json · aircraft systems.