RCP0110_042-048_On Final Approach 2/9/10 4:16 PM Page 43
Cobham HeliSAS
Receives Technical Standing Order From FAA
Cobham’s HeliSAS® Stability Aug- liSAS certification for use on the Bell 206,
mentation System and Autopilot has re- Bell 407, Eurocopter AS350, and the U.S.
ceived Technical Standard Order (TSO) Navy’s Bell-made TH-57 helicopters.
certification from the U.S. Federal Avia- HeliSAS is a two-axis attitude hold, at-
tion Administration (FAA), a major mile- titude command, flight control system.
stone that approves the manufacture of The system has two basic functions, a Sta-
HeliSAS system components. bility Augmentation System (SAS) to aid
Previously, Cobham has received a with aircraft stability and autopilot outer
Supplemental Type Certification (STC) loop control modes for altitude hold,
from the FAA for HeliSAS use in a heading select and navigation sensor cou-
Robinson R44 helicopter, which the Com- pling. The SAS and Autopilot System
pany announced on 23 November 2009. provide a significant reduction in pilot
Cobham is in the process of achieving He- workload, from takeoff to landing.
❚
HELI-EXPO BOOTH #807
www.ROTORCRAFTPRO.com • January 2010 43
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