SH-60B Seahawk

SH-60B Seahawk
Name	SH-60B Seahawk
Caption	SH-60B of the United States Navy aboard USS Ticonderoga
Role	Anti-submarine warfare, surface warfare
Manufacturer	Sikorsky Aircraft Corporation
First flight	June 1979
Introduced	1983
Status	Retired from frontline USN squadron service (by 2015)
Primary user	United States Navy
Crew	2–4
Length	19.76 m
Rotor diameter	16.36 m
Powerplant	2 × General Electric T700-GE-401 turboshafts

SH-60B Seahawk is a naval helicopter produced by Sikorsky Aircraft Corporation for the United States Navy as part of the H-60 family. Designed to perform anti-submarine warfare and surface warfare missions, it integrated airborne sensors, weapons, and data-links to operate from frigates, destroyers, and cruisers. The type entered service during the Cold War era and served alongside platforms such as the P-3 Orion, S-3 Viking, and naval aviation assets of allied navies.

Development and Design

The SH-60B emerged from a competition involving Boeing Vertol and Sikorsky to replace the SH-2 Seasprite under the U.S. Navy's LAMPS (Light Airborne Multi-Purpose System) Mk III program, coordinated with requirements issued by the Naval Air Systems Command and influenced by lessons from the Falklands War and Cold War Soviet Navy submarine developments. The airframe derived from the UH-60 Black Hawk family and incorporated folding rotor and tail features compatible with Oliver Hazard Perry and Ticonderoga flight decks. Design priorities emphasized compact storage for aircraft carrier escorts, corrosion resistance for operations in the Atlantic Ocean and Pacific Ocean, and integration with shipboard combat systems such as the Aegis Combat System.

Development milestones involved test programs at Patuxent River Naval Air Station and collaboration with contractors including Lockheed Martin for sensors and Northrop Grumman for mission systems. Certification and initial operational capability were achieved after flight testing that validated shipboard landing, hover, and low-speed maneuvering in heavy sea states, drawing on standards from Federal Aviation Administration-related military airworthiness processes and MIL-STD environmental testing.

Variants and Modifications

Production SH-60B variants incorporated progressive upgrades: initial production blocks, avionics manifest updates, and structural corrosion-control modifications. Airframes later received mission system upgrades through programs managed by Naval Air Systems Command and industrial partners such as General Electric (engines) and Raytheon (processing units). Some SH-60Bs were modified to carry expanded communications suites interoperable with NATO allies and data-links compatible with Link 11 and Link 16 networks. Mid-life updates paralleled modernization efforts seen in other H-60 derivatives like the HH-60 Pave Hawk and MH-60R Seahawk, with components exchanged for improved reliability and maintainability under contracts with Department of Defense logistics agencies.

Operational History

SH-60B squadrons deployed aboard Enterprise-class task groups, Carrier Strike Group escorts, and allied naval exercises such as RIMPAC and NATO maritime operations. During the final decades of the 20th century and early 21st century they participated in Cold War ASW patrols countering Soviet Navy submarine activity, and later operations in support of Operation Enduring Freedom and Operation Iraqi Freedom where they conducted surveillance, surface interdiction, and over-the-horizon targeting. Units flew from forward bases including Naval Air Station Jacksonville, NAS North Island, and expeditionary piers supporting Marine Expeditionary Unit deployments. The SH-60B was gradually supplanted by the multi-mission MH-60R Seahawk as part of fleet recapitalization and capability consolidation directed by Chief of Naval Operations force structure plans.

Avionics and Sensors

The SH-60B integrated a dedicated mission system built around systems supplied by companies like Westinghouse Electric Corporation (later Northrop Grumman acquisitions) and Raytheon. Central components included the airborne active/passive dipping sonar linked to sonobuoy processors, a multi-mode radar for surface search and targeting compatible with naval fire control systems, and a magnetic anomaly detector for sub-surface detection. Sensor data were fused in onboard tactical processors supporting operator consoles and forwarded via datalinks to surface combatants equipped with Aegis or legacy combat systems. Navigation systems incorporated inertial navigation aided by Differential GPS and shipboard datalink positioning tied to Naval Tactical Data System-era interfaces during initial fielding.

Armament and Equipment

Weapon systems fielded on the SH-60B included lightweight anti-submarine torpedoes such as the Mark 46 torpedo and stores for sonobuoys used in detection patterns; later configurations supported external carriage of air-to-surface ordnance for surface engagement missions. Defensive and mission equipment encompassed countermeasure dispensers, searchlights, and rescue hoists for personnel recovery interoperable with United States Marine Corps shipborne operations. The helicopter's foldable design allowed storage of mission kits and spares consistent with Carrier Onboard Delivery and shipboard aviation logistics concepts.

Operators and Deployments

Primary operator was the United States Navy with fleet replacement squadrons training aircrews at facilities including NAS North Island and Naval Air Station', Jacksonville. Export and allied interoperability efforts influenced doctrine among NATO navies and Pacific Rim maritime forces; SH-60B capabilities informed cooperative anti-submarine tactics with partners from Royal Navy, Royal Australian Navy, and Japan Maritime Self-Defense Force during multinational exercises like RIMPAC and bilateral training. Decommissioning and transfer programs saw airframes used for parts, training, and limited secondary roles under Defense Logistics Agency management as the fleet transitioned to newer H-60 variants.

Category:United States military helicopters Category:Sikorsky aircraft Category:Anti-submarine warfare aircraft