The SH-60B maintained 83% commonality with the UH-60A. IBM was the prime systems integrator for the Lamps MK III with Sikorsky as the airframe manufacturer. In early 1978 the Navy selected Sikorsky's S-70B design, which was designated "SH-60B Seahawk". The Navy also looked at helicopters being produced by Bell, Kaman, Westland and MBB, but these were too small for the mission. Sikorsky and Boeing-Vertol submitted proposals for Navy versions of their Army UTTAS helicopters in April 1977 for review. Navy based its requirements on the Army's UTTAS specification to decrease costs from commonality to be the new airframe to carry the Lamps MK III avionics. In the mid-1970s, the Army evaluated the Sikorsky YUH-60 and Boeing Vertol YUH-61 for its Utility Tactical Transport Aircraft System (UTTAS) competition. Since the SH-2 was not large enough to carry the Navy's required equipment a new airframe was required. The Navy selected IBM Federal Systems to be the Prime systems integrator for the Lamps MK III concept. The Navy then conducted a competition in 1974 to develop the Lamps MK III concept which would integrate both the aircraft and shipboard systems. Advances in sensor and avionic technology lead to the LAMPS Mk II suite being developed by the Naval Air Development Center. The SH-2 Seasprite was used by the Navy as its platform for the Light Airborne Multi-Purpose System (LAMPS) Mark I avionics suite for maritime warfare and a secondary search and rescue capability. Navy began looking for a new helicopter to replace the Kaman SH-2 Seasprite. Able to deploy aboard any air-capable frigate, destroyer, cruiser, fast combat support ship, expeditionary transfer dock, amphibious assault ship, littoral combat ship or aircraft carrier, the Seahawk can handle anti-submarine warfare (ASW), anti-surface warfare (ASUW), naval special warfare (NSW) insertion, search and rescue (SAR), combat search and rescue (CSAR), vertical replenishment (VERTREP), and medical evacuation (MEDEVAC).ĭesign and development Origins ĭuring the 1970s, the U.S. ![]() ![]() Navy uses the H-60 airframe under the model designations SH-60B, SH-60F, HH-60H, MH-60R, and MH-60S. The most significant modifications are the folding main rotor blades and a hinged tail to reduce its footprint aboard ships. The Sikorsky SH-60/MH-60 Seahawk (or Sea Hawk) is a twin turboshaft engine, multi-mission United States Navy helicopter based on the United States Army UH-60 Black Hawk and a member of the Sikorsky S-70 family.
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