Installation of a Keystone Helicopter Anit-Rotational Restraint System.
Installation of a Keystone Helicopter Anit-Rotational Restraint System.
Please contact modification supplier for further details.
STC Status: Reissued
STC Date: 14/11/05
Responsible Office: Ft. Worth Rotorcraft Certification Office (ASW-170), Tel: (817) 222-5170
Erickson Air-Crane Company