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AIRCRAFT PROGRAM

Sikorsky S-70B SeaHawk

Lift typeRotary wing
Construction typeFactory-built
Control typePiloted
Engine typeTurboshaft
ApplicationMilitary Transport, Utility
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Naval multi mission helicopter powered by twin turboshaft engines. Includes variant MH-60R (US Navy) and SH-60K.

Type variants

Variant Launch/First flight Production end  
Mitsubishi SH-60L / 2021 Anti-surface and anti-submarine variant, prototype designated SXH-60L.
Sikorsky S-70B Seahawk 1977 / 1979 Naval development of S-70 program, S-70B often used in exports' designation, includes SH-60B.
Mitsubishi SH-60K 2002 / 2001 Japenese variant built under license, modified version of predecessor: SH-60J.

View full news archive for the Sikorsky S-70B SeaHawk.

Operations data

For detailed information about current charter operators, maintenance and training providers, and completions services for this aircraft, please consult our sister publication Business Air News: Sikorsky S-70

Supply chain

  (18 links)
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Materials / Composites

DuPont Aerospace (DuPont Company) Analysis Honeycomb Core Composites: Nomex core in main rotor blade (SH-60K)

Components / Actuation

Whippany Actuation Systems Analysis Electromechanical Actuators: Blade fold actuator, index drive actuator, RAST probe actuator, pitch lock actuator

Components / Electrical Components

Cherokee Nation Aerospace & Defense Analysis Wire Harnesses:
Rossell Techsys Analysis | News Wire Harnesses: (MH60); Wire Harnesses: Electrical Wire Harness and Interconnect System (EWIS) parts (MH-60R)

Components / Structural Components

Components / Valves

Lee Products Ltd. Analysis Hydraulic System Valves:

Airframe Systems / Landing Assemblies

CIRCOR Aerospace Products Group Analysis | News Helicopter Landing Gear:

Airframe Systems / Weapons Systems

CPI Aerostructures Analysis | News Ordnance Handling Equipment: Penguin missile launcher assemblies
GE Aviation Systems Analysis Stores Management Systems: Stores & weapons management system
Telephonics Corporation Analysis | News Surveillance/Air Defense Radar: AN/APS-153 multi-mode radar systems

Avionics / Flight and Data Management

GE Aviation Systems Analysis Flight Recorders: Voice & data recorders; digital data set
Lockheed Martin Rotary and Mission Systems (was Systems Integration - Owego) Analysis | News Avionics Management Systems: Common Cockpit avionics suite (MH-60R & MH-60S variants)

Power Systems / Auxiliary Power

Collins Aerospace, Power Systems Analysis Auxiliary Power Units: T-62T-40-1 APU

Power Systems / Engine Components

Triumph Integrated Systems - Electronics & Control - West Hartford Analysis | News Engine Controls: Enhanced digital electronic engine control unit

Power Systems / Engines

GE Aerospace Engines Analysis Turboshaft Engines: (T700 Series - Sikorsky S-70B Seahawk - T700-GE-4101C )
IHI Corporation Analysis Turboshaft Engines: (T700-IHI-401C - Mitsubishi SH-60K - T700-IHI-401C2 )

Power Systems / Fuel Systems

Robertson Fuel Systems, LLC Analysis | News Fuel Tanks & Systems: Auxiliary fuel systems
Information on this page is compiled from a variety of published sources, and links do not necessarily imply recommendation or confirmation by the airframe manufacturer.