Model Variants (Including Prototypes)
YHU2K-1 - Evaluation Prototypes; 4 examples produced.
HU2K-1 - Initial Production Model Designation; utility transport variant; fitted with General Electric T58-GE-8B turboshaft engine of 1,250shp; 88 examples produced; redesignated to UH-2A in 1962.
UH-2A - Redesignation of HU2K-1 production models beginning in 1962.
UH-2B - Utility transport; 102 examples produced.
UH-2C - A- and B- models fitted with 2 x General Electric T58-GE-8B turboshaft engines; 40 conversions.
NUH-2C - One-Off Evaluation Platform; UH-2C production model modified to test AIM-9 Sidewinder and AIM-7 Sparrow air-to-air missiles.
NUH-2D - Redesignation of the NUH-2C.
HH-2C - Search and Rescue Platform; chin turreted minigun; six conversions.
HH-2D - Search and Rescue Platform; sans armament; 67 conversions a such from UH-2A and UH-2B production models.
SH-2D - Ant-Submarine Warfare Variant; 20 conversions.
YSH-2E - Two Evaluation Systems for testing radar and LAMPS.
SH-2F - Anti-Submarine Warfare Variant; fitted with 2 x General Electric T58-GE-8F turboshaft engines of 1,350shp; improvements throughout; conversions from SH-2D as well as previous production models.
YSH-2G - One-Off Prototype converted from SH-2F production model.
SH-2G "Super Seasprite" - Improved Anti-Submarine Warfare Variant; fitted with 2 x General Electric T700-GE-401 turboshaft engines of 1,723shp.