SH-60 Seahawk

SH-60 Seahawk. The SH-60 Seahawk is a twin-turboshaft, multi-mission U.S. Navy helicopter derived from the U.S. Army's UH-60 Black Hawk. Developed by Sikorsky Aircraft, it was designed to operate from frigates, destroyers, cruisers, and aircraft carriers to perform primary missions of anti-submarine warfare and anti-surface warfare. The versatile airframe has evolved into several key variants that form the backbone of naval helicopter aviation, serving with the United States Navy and numerous allied nations worldwide.

Development and design

The development of the Seahawk was initiated by the United States Navy under the Light Airborne Multi-Purpose System (LAMPS) Mk III program to replace the aging Kaman SH-2 Seasprite. Sikorsky Aircraft was selected as the contractor, with the design heavily based on the U.S. Army's UH-60A Black Hawk but extensively modified for maritime operations. Key design changes included corrosion-resistant materials, folding rotor blades and a hinged tail for storage on ships, twin General Electric T700 engines, and a traction-powered sonobuoy launch system. The mission systems integrated a sophisticated suite of sensors, including a dipping sonar, radar, and electronic support measures, managed by two dedicated naval flight officers in the cabin.

Operational history

Entering fleet service with Helicopter Anti-Submarine Squadron Light 41 in 1984, the SH-60B quickly became integral to battle group and carrier strike group operations. It saw extensive service during the Tanker War in the Persian Gulf, the Gulf War, and subsequent operations in the Balkans and the War in Afghanistan. Seahawks have been pivotal in missions ranging from anti-submarine warfare and surface surveillance to vertical replenishment, search and rescue, and medical evacuation. The more advanced MH-60R and MH-60S variants consolidated these roles and have been deployed globally aboard vessels like the Arleigh Burke-class destroyers and Nimitz-class aircraft carriers.

Variants

The primary variants include the SH-60B, focused on anti-surface warfare from smaller surface combatants, and the SH-60F, an inner zone anti-submarine helicopter for aircraft carrier protection. These were succeeded by two modernized models: the MH-60R, which combines the sensor and weapon capabilities of its predecessors with new systems like the AN/APS-147 radar, and the MH-60S, a utility helicopter derived from the UH-60L for cargo, rescue, and armed helicopter duties. Export versions, such as the S-70B, serve allied navies including the Royal Australian Navy and the Japan Maritime Self-Defense Force.

Operators

The largest operator is the United States Navy, which fields hundreds of MH-60R and MH-60S aircraft. Major international operators include the Royal Australian Navy (MH-60R), the Japan Maritime Self-Defense Force (SH-60J/K), the Republic of Korea Navy, the Royal Saudi Navy, and the Spanish Navy. Other operators are the Hellenic Navy, the Royal Danish Navy, and the Royal Thai Navy. Many of these nations employ their Seahawks from various frigate and destroyer classes, such as the Hobart-class and Álvaro de Bazán-class.

Specifications (SH-60B)

* Crew: 3–4 (pilot, co-pilot, 1–2 naval flight officers) * Length: 64 ft 10 in (19.76 m) * Rotor diameter: 53 ft 8 in (16.36 m) * Height: 17 ft 0 in (5.18 m) * Empty weight: 13,648 lb (6,191 kg) * Powerplant: 2 × General Electric T700-GE-401C turboshaft engines * Maximum speed: 146 knots (168 mph, 270 km/h) * Range: 450 nmi (518 mi, 834 km) * Service ceiling: 12,000 ft (3,660 m) * Armament: Can include AGM-114 Hellfire missiles, Mk 46 torpedoes, and M240 door guns * Avionics: AN/APS-124 radar, AN/ASQ-81 magnetic anomaly detector, AN/ALQ-142 electronic support measures, 25 sonobuoys

Category:Military helicopters of the United States Category:Sikorsky aircraft Category:Anti-submarine helicopters