Sikorsky CH-54 Tarhe - track version[/heading]
S-64A Skycrane - twin-engine heavy transport helicopter - flying crane; 3 pcs, including machines for trials at the German army
WITH-64B Skycrane - proposed variant with a larger rotor and engines, GE T-64-GE-16 or Lycoming T-55
S-64E Skycrane - the civilian equivalent of the CH-54A, 7 pcs
YCH-54A - analogue of the S-64A for testing by the US Army, 5 pcs
CH-54A Tarhe - the serial variant, the engines T73-P-1, 54 pcs
CH-54B Tarhe - double wheels, engines T73-P-700, 29 pcs
Erickson S-64E Aircrane - in 1992 Erickson Air-Crane Co. bought the type certification and manufacturing rights for the S-64E; 19 conversion of the CH-54A, 1 new
Erickson S-64f thereof Aircrane - the civilian equivalent of the CH-54B, 15 conversions
http://www.uswarplanes.net/ch54.html
http://www.rotorspot.nl/product/s64.php
www.helis.com].
http://www.rotorspot.nl/product/s64.php
www.helis.com].