US-1A Initial Operational Capability (IOC): July 1976 Maiden Flight: October 1974 Total Production: 20 Origin:Japan Corporations: ShinMaywa Industries
Parent System:US-1 Initial Operational Capability (IOC): July 1976 Maiden Flight: October 1974 Total Production: 38 Family Members:US-2
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Description: The ShinMaywa Industries US-1 amphibious aircraft program started in March 1973 as a search and rescue airplane for the Japanese Navy based on the PS-1 amphibious airplane. The US-1 major improvement compared with the PS-1 are legs to land on the ground for ambulance transportation while retaining the amphibious operation capability. The first US-1 test aircraft completed its maiden flight in October 1974. The first production US-1 Short Take Off and Landing (STOL) Search and Rescue amphibian was delivered to the Japanese Defense Agency in March 1975. The Japanese Maritime Self-Defense Force (JMSDF) forced its first US-1 search and rescue squadron in July 1976. These aircraft are only suitable for search and rescue (SAR) and medical evacuation missions.
The US-1 was renamed the US-1A STOL Search and Rescue amphibian in 1981. The 45-ton aircraft can transport up to 12 occupants and is powered by four T64-IHI-10J turboprop engines each rated at 3,400-hp of power. ShinMaywa Industries delivered a total of 20 US-1A amphibians to the Japanese Defense Agency by 2004.
Number of Engines: 4
Propeller Blades: 4 Dimensions Height: 9.95 meter (392 inch)
Length: 33.2 meter (1,305 inch)
Wingspan: 33.5 meter (110 foot) Power Max Power at TakeOff: 13,600 hp (10,146 kW) Speed Top Speed at High Altitude: 265 knot (490 kph) Weight Max Takeoff Weight: 45,000 kilogram (99,206 pound)
CEP: Circular Error Probable
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