AD 2011-22-08
Effective 12/13/2011 · Published 11/08/2011
Airworthiness Directives; MD Helicopters, Inc. Model MD900 Helicopters
Summary
This amendment supersedes an existing airworthiness directive (AD) that applies to MD Helicopters, Inc. (MDHI) Model MD900 helicopters. That AD currently requires turning ON both Vertical Stabilizer Control System (VSCS) switches and turning OFF the autopilot (AP/SAS) switch; pulling certain AP/SAS circuit breakers; installing a placard near the AP/SAS master switch; installing an airspeed limitation placard on the…