1967


Sikorsky S-65 H-53

HH-53B





In 1966, the USAF awarded a contract to Sikorsky for development of a minimum-change CSAR variant of the CH-53A. It featured a retractable inlfight refueling probe, jettisonable external fuel tanks mounted to the outside of the sponsons, a rescue hoist above the crew entry door, armor plating, a Doppler navigation radar and three pintle mounted GAU-2/A 7.62mm miniguns for self defence. First flight: 15 March 1967. Early HH-53Bs featured T64-GE-3 turboshafts with 3,080 shaft horsepower (2,297 kW), but these engines were later upgraded to T64-GE-7 turboshafts with 3,925 shaft horsepower (2,927 kW).
The HH-53B first flew from Stratford, CT on 15 March 1967.


Specifications HH-53B


Engine 2 x GE T64-GE-7 3925 shp
Capacity
Length (m)
Height (m)
Blades 6
Rotor diam. (m) 22.01
Disc area (m2) 380.62
Weight (kgs) Empty: 10490
Speed (km/h)
Range (km) 415
Ceiling (m) 5654
Rate/Climb (m/min) 495
blueprints


  List of Operators of HH-53B


Years Model Org
1968/08 S-65 H-53 usa US Air Force



  Global Distribution of HH-53B



8HH-53B


Construction Numbers


C/N Year History
65-066 US 66-14428
65-073 US 66-14429
65-085 w/o 1969 US 66-14430
65-086 US 66-14431
65-087 US 66-14432
65-088 US 66-14433
65-089 w/o 1970 US 66-14434
65-090 w/o 1981 US 66-14435






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