The U.S. aircraft register, updated daily
FAA orders · emergency airworthiness directive · historical

2010-05-51: Main rotor

Emergency order 2010-05-51 is an airworthiness directive. The FAA's subject line: Main rotor. It names Airbus Helicopters EC120: about 71 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
Airbus Helicopters
Models
EC120B
On this site
Airbus Helicopters EC120 71 registered

Dates and paperwork

Docket
Unknown
Replaced by
2025-05-12
Status
Historical
The FAA's document
Read the order on the FAA's site

Related safety bulletins advice on the same designs, not orders

2021-06-10AIR-21-09 · LANDING GEAR SYSTEM, Landing gear skid tube
2015-08-13SW-15-20 · Air Conditioning System Wiring
2012-02-03SW-12-17 · Autopilot System
2004-07-14SW-04-71 ·
2003-12-24SW-04-38 ·

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/2010-05-51.json · aircraft systems.