Sikorsky UH-60 Black Hawk

The Sikorsky UH-60 Black Hawk is a twin-engine, four-bladed utility helicopter developed for the U.S. Army. It carries troops and cargo and supports missions including medical evacuation and air assault.

Sikorsky S-70: The Sikorsky S-70 is a family of medium-lift helicopters that includes military and civilian versions of the UH-60 design. The UH-60 is the military member of Sikorsky’s broader S-70 family.
Utility Tactical Transport Aircraft System: The U.S. Army program that sought a new medium utility helicopter and led to the UH-60 procurement competition. This Army requirement launched the competition that produced the Black Hawk.
Air assault: A military operation that uses helicopters to move troops directly into or near an objective. Transporting troops into landing zones is one of the Black Hawk’s defining missions.
1983 invasion of Grenada: A U.S.-led military operation that removed Grenada’s government in October 1983. The Black Hawk saw early combat use during this U.S. operation.
Turboshaft engine: A gas turbine engine that delivers shaft power to drive a rotor or other machinery. Two turboshaft engines supply the power that turns the Black Hawk’s main and tail rotors.
Sikorsky Aircraft: An American aircraft manufacturer founded by Igor Sikorsky, known for designing helicopters and fixed-wing aircraft. Sikorsky designed and built the UH-60 for the Army program.
Aeromedical evacuation: The movement of patients by aircraft to medical care, often with clinical personnel and equipment aboard. Medical evacuation configurations let Black Hawks carry casualties from field locations.
Battle of Mogadishu: A 1993 battle in Mogadishu, Somalia, in which U.S. forces fought Somali militias and lost two Black Hawks. The loss of two Black Hawks became central to the battle’s public memory.
Helicopter rotor: A rotating assembly of blades that generates lift and control forces for a helicopter. The Black Hawk’s four-bladed main rotor provides lift and allows controlled maneuvering.
Sikorsky YUH-60A: The prototype helicopter Sikorsky developed and flew in the Army’s utility helicopter competition. The YUH-60A was the prototype that preceded production Black Hawks.

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