▁P & W ▁could ▁concent rate ▁on ▁developing ▁jet ▁engines . ▁ ▁In ▁the ▁late ▁ 1 9 5 0 s , ▁a ▁team ▁of ▁ 1 2 ▁Canadian ▁Pr att ▁& ▁Whit ney ▁engine ers ▁began ▁the ▁development ▁of ▁the ▁first ▁small ▁tur bine ▁engine ▁in ▁Canada , ▁the ▁P T 6 . ▁ ▁The ▁first ▁example ▁was ▁delivered ▁to ▁a ▁customer ▁in ▁ 1 9 6 3 . ▁In ▁ 1 9 6 2 , ▁the ▁company ▁was ▁renamed ▁United ▁A ircraft ▁of ▁Canada ▁( U AC ), ▁and ▁assumed ▁its ▁current ▁name ▁in ▁ 1 9 7 5 . ▁In ▁ 1 9 6 3 ▁a ▁total ▁of ▁ 4 1 ▁S ikor sky ▁CH - 1 2 4 ▁Sea ▁King ▁( origin ally ▁CH SS - 2 ) ▁hel ic op ters ▁were ▁delivered ▁to ▁the ▁Royal ▁Canadian ▁Navy . ▁The ▁air frame ▁components ▁were ▁made ▁by ▁S ikor sky ▁in ▁Connecticut ▁but ▁most ▁were ▁assemble d ▁by ▁U AC ▁in ▁Long ue uil , ▁Quebec . ▁ ▁Its ▁ 1 0 0 , 0 0 0 th ▁engine ▁was ▁produced ▁in ▁May ▁ 2 0 1 7 , ▁its ▁fleet ▁logged ▁ 7 3 0 ▁million ▁flight ▁hours ▁and ▁ 6 0 , 0 0 0 ▁in - service ▁engines ▁are ▁operated ▁by ▁ 1 2 , 3 0 0 ▁customers ▁in ▁more ▁than ▁ 2 0 0 ▁countries . ▁ ▁Product s ▁▁ ▁Pr att ▁& ▁Whit ney ▁J T 1 2 ▁- ▁initial ▁design , ▁then