Sunday, November 1, 2009
Cheyenne I Upgrade
Blackhawk Modifications has received FAA approval for another XP engine upgrade option for Cheyenne I operators. The new Supplemental Type Certificate (STC) allows for instillation of the Pratt & Whitney PT6A-28 engines on the Cheyenne I. The new improvements include greater climb rates, lower time, distance and fuel to clime and faster cruise speed.