S-64 Aircrane Specifications

  metric imperial  
Lift Capacity S-64F 11,250 kg 25,000 lbs (approx. 12.5 m3 of timber)
S-64E 9,000 kg 20,000 lbs (approx. 10 m3 of timber)
Air Speed   115 knots (maximum)  
Endurance standard tank   2.5 hours    
auxiliary tank   4.5 hours    
Dimensions main rotor diameter 22.0 m 72 feet    
tail rotor diameter 4.9 m 16 feet    
Aircraft Length rotors turning 27.0 m 88.5 feet    
Aircraft Height 7.75 m 25.4 feet    
Rate of Climb up to 1,800 metre/minute   6,000 feet/minute  

Aircrane Load Volumes

  length diameter weight volume
1 Douglas Fir log
S-64E
12.5 m
(41 feet)
105 cm
(41 inches)
9,072 kg
(20,000 lbs)
10.8 m3
1 Hemlock log
S-64E
12.5 m
(41 feet)
96 cm
(38 inches)
9,072 kg
(20,000 lbs)
9.1 m3
1 Red Cedar log
S-64E
12.5 m
(41 feet)
117 cm
(46 inches)
9,072 kg
(20,000 lbs)
13.3 m3
(weights and volumes are approximate values)