They are very cost-effective as the latest variant of T55 with 6,000 shaft horsepower. Keep up with the latest Simple Flying coverage of military aviation here. Since the first Chinook flew on ...

2xTextron Lycoming T55-4-714 Turboshaft engines Max Speed: 259 kph Range: 1382 km The MH-47 Chinook and its “E,” “D” and “G” variants are the primary heavy lift transport helicopters ...