2016-12-51: Main Rotor Gearbox
Emergency order 2016-12-51 is an airworthiness directive. The FAA's subject line: Main Rotor Gearbox. It names Airbus Helicopters AS332, Airbus Helicopters EC 225: about 32 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
- Airbus Helicopters
- Models
- AS332L2, EC225LP
- On this site
- Airbus Helicopters AS332 8 registered
Airbus Helicopters EC 225 24 registered
Dates and paperwork
- Docket
- Unknown
- Replaced by
- 2021-16-05
- Status
- Historical
- The FAA's document
- Read the order on the FAA's site
Related safety bulletins advice on the same designs, not orders
2008-07-01SW-08-30R2 · Inadvertent Deployment of Crash Position Indicator (CPI) Beacon
2008-06-30SW-08-30R1 · Inadvertent Deployment of Crash Position Indicator (CPI) Beacon
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/2016-12-51.json · aircraft systems.