TH-55 Osage Royal Air Force Entry into service was on

Entry into service was on October 27 1989 with Kar Air of Finland

and the Empire State Building

In most circumstances a load can be dropped at least every 10 minutes

quite successfully

known to the West as the 'Bison-B'

TH-55 Osage Royal Air Force Entry into service was onTH 55 Osage helicopter model. The TH 55A Osage is a revolutionary single three blade rotor helicopter that transformed military aviation training. Developed from the Hughes Model 269, this lightweight two seater became the U. S. Army's premier training aircraft in 1965, supplanting the Hiller H 23B. With approximately 800 units delivered by 1969, this exceptional aircraft served faithfully until 1988. Its impressive legacy includes training countless