UH-60 Black Hawk

UH-60 Black Hawk. The Sikorsky UH-60 Black Hawk is a four-bladed, twin-engine, medium-lift utility helicopter manufactured by Sikorsky Aircraft. It was developed in the 1970s to replace the Bell UH-1 Iroquois as the United States Army's primary tactical transport aircraft and has since become a cornerstone of American and allied military aviation. Renowned for its survivability, performance, and versatility, the Black Hawk serves in roles including air assault, medical evacuation, command and control, and special operations across the globe.

Development and design

The Black Hawk was developed by Sikorsky Aircraft in response to the United States Army's Utility Tactical Transport Aircraft System (UTTAS) program initiated in 1972. This competition sought a new helicopter to succeed the Vietnam War-era Bell UH-1 Iroquois, with key requirements emphasizing performance, survivability, and reliability. Sikorsky's design, the S-70, competed directly against a prototype from Boeing Vertol, with the former being selected in 1976 after rigorous testing at locations like Fort Rucker and the Yuma Proving Ground. The design incorporated advanced features like a General Electric T700 turboshaft engine, a ballistically tolerant airframe, and a crashworthy fuel system to enhance crew protection. Subsequent development led to specialized models for other branches, including the Sikorsky SH-60 Seahawk for the United States Navy and the Sikorsky HH-60 Pave Hawk for the United States Air Force.

Operational history

Entering service with the United States Army in 1979, the UH-60A first saw major combat during the invasion of Grenada in 1983. It played a pivotal role in the invasion of Panama and the Gulf War, where it executed deep assault missions and supported operations like the Battle of 73 Easting. The Black Hawk gained tragic notoriety during the Battle of Mogadishu in 1993, where two were shot down, an event later depicted in the film *Black Hawk Down*. It has been continuously deployed in the War in Afghanistan and the Iraq War, performing medical evacuation, troop transport, and special operations. The helicopter has also been extensively used for humanitarian aid and disaster relief by organizations like the United Nations and the FEMA.

Variants

The core UH-60 family has numerous variants tailored for specific missions. The initial UH-60A was followed by the upgraded UH-60L with more powerful General Electric T700 engines and improved durability. The modern UH-60M features a glass cockpit, enhanced engines, and advanced flight controls. Special operations variants include the MH-60A/L/M used by the 160th Special Operations Aviation Regiment and the stealth-modified aircraft used in the raid on Osama bin Laden's compound. Other U.S. military variants are the SH-60B/F/R Seahawk for anti-submarine warfare, the HH-60G/J Pave Hawk for combat search and rescue, and the MH-60T Jayhawk for the United States Coast Guard. International and commercial models are marketed as the Sikorsky S-70.

Operators

The primary operator is the United States Army, with over 2,000 aircraft. It is also used by the United States Navy, United States Air Force, United States Marine Corps, and United States Coast Guard. The Black Hawk has been widely exported, with significant fleets operated by the Australian Army, Royal Saudi Land Forces, Japan Ground Self-Defense Force, Republic of Korea Army, and Israeli Air Force. Other notable operators include the Egyptian Air Force, Turkish Land Forces, Colombian National Army, and the Royal Thai Army. The helicopter is also used by several U.S. state agencies, including the New York City Police Department and the California Highway Patrol.

Specifications (UH-60A)

* **Crew:** 3–4 (pilot, co-pilot, crew chief/gunner) * **Capacity:** 11–14 troops or 6 stretchers * **Length:** 64 ft 10 in (19.76 m) * **Height:** 16 ft 10 in (5.13 m) * **Empty weight:** 10,624 lb (4,819 kg) * **Max takeoff weight:** 22,000 lb (9,979 kg) * **Powerplant:** 2 × General Electric T700-GE-700 turboshaft engines * **Maximum speed:** 159 kn (183 mph, 295 km/h) * **Range:** 320 nmi (370 mi, 592 km) * **Service ceiling:** 19,000 ft (5,790 m) * **Armament:** Typically 2 × M134 7.62mm miniguns or M240 7.62mm machine guns

Category:Military helicopters of the United States Category:Sikorsky aircraft Category:Utility helicopters