2015-08-51: Main Rotor Head
Emergency order 2015-08-51 is an airworthiness directive. The FAA's subject line: Main Rotor Head. It names Enstrom Helicopter Corp 280, Enstrom Helicopter Corp 480, Enstrom F-28: about 281 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
- Enstrom Helicopter Corporation, The
- Models
- 280, 280C, 280F, 280FX, 480, F-28A, F-28C, F-28C-2, F-28C-2R, F-28F, F-28F-R
- On this site
- Enstrom Helicopter Corp 280 61 registered
Enstrom Helicopter Corp 480 73 registered
Enstrom F-28 147 registered
Dates and paperwork
- Docket
- Unknown
- Replaced by
- 2018-02-01
- Status
- Historical
- The FAA's document
- Read the order on the FAA's site
Related safety bulletins advice on the same designs, not orders
2012-10-03SW-12-45 · Garmin Model 400W/500W Series GPS-WAAS Navigation System
2012-02-03SW-12-10R1 · Fuel Level Indication
2012-01-09SW-12-10 · Enstrom Helicopter Corporation 280FX Helicopters; Fuel Quantity Indicator
2009-05-27SW-09-30 · Cracked Pylons
2005-08-17SW-05-81 ·
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 7, 2026. Connections as data: /graph/directive/2015-08-51.json · aircraft systems.