FAA Certifies Cirrus Jet’s Williams FJ33-5A Turbofan
Williams International’s new FJ33-5A turbofan engine on Monday was awarded its FAA Part 33 type certificate. The company used what it learned in development of the earlier FJ44-3AP and FJ44-4A powerplants to give the new FJ33-5A more than 2,000 pounds of thrust, improved fuel economy and a better than 6-to-1 thrust-to-weight ratio. The FJ33-5A — […]