2001-13-51: Engine-to-transmission Driveshaft Assembly
Emergency order 2001-13-51 is an airworthiness directive. The FAA's subject line: Engine-to-transmission Driveshaft Assembly. It names Bell 206 JetRanger and LongRanger, Bell 407, Bell 427: about 2,453 aircraft on the U.S. register today across them, 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
- Bell Helicopter Textron (Canada); Bell Helicopter Textron (Canada); Bell Helicopter Textron (Canada)
- Models
- 206L-4, 407, 427
- On this site
- Bell 206 JetRanger and LongRanger 1,455 registered
Bell 407 985 registered
Bell 427 13 registered
Dates and paperwork
- Docket
- 2001-SW-29-AD
- Replaced by
- 2015-17-02
- Status
- Historical
- The FAA's document
- Read the order on the FAA's site
Related safety bulletins advice on the same designs, not orders
2019-12-05SW-19-18 · Fuselage Cracks
2019-04-04SW-19-05 · Tail Rotor Drive System, Spline Damage
2017-11-02SW-18-02 · Loss of Hardware Tail Rotor Drive Shaft Couplings
2015-08-13SW-15-20 · Air Conditioning System Wiring
2012-10-03SW-12-45 · Garmin Model 400W/500W Series GPS-WAAS Navigation System
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 October 5, 2026. Connections as data: /graph/directive/2001-13-51.json · aircraft systems.