AD 2022-03-09
Effective 03/17/2022 · Published 02/10/2022
Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters
Summary
The FAA is adopting a new airworthiness directive (AD) for certain Sikorsky Aircraft Corporation Model S-76D helicopters. This AD was prompted by reports that certain Thales global positioning system (GPS) satellite based augmentation system (SBAS) receivers provided, under certain conditions, erroneous outputs on aircraft positions. This AD requires replacing affected GPS receivers and prohibits installing those GP…