Mitsubishi H-60: Difference between revisions

SH-60J / SH-60K Seahawk
	A JMSDF SH-60J Seahawk helicopter from JS Haruna (DDH 141) lands onboard USS Russell (DDG 59) in 2007.
Role	ASW helicopter
National origin	Japan
Manufacturer	Sikorsky Aircraft ; Mitsubishi Heavy Industries
First flight	31 August 1987
Introduction	1991
Status	Active service
Primary user	Japan Maritime Self-Defense Force
Number built	103
Developed from	SH-60 Seahawk

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The Mitsubishi SH-60J is an anti-submarine patrol helicopter for the Japan Maritime Self-Defense Force (JMSDF).^[1] A modified version of the United States Navy's SH-60B/F Seahawk, it is built under license by Mitsubishi Heavy Industries. The SH-60K is an upgraded version.

Design and development

SH-60J

The JMSDF chose SH-60B Seahawk as the successor of the Mitsubishi HSS-2A/B Sea King. The Japan Defense Agency acquired a S-70B-2 from Sikorsky for study in 1985. The Defense Agency was going to develop LAMPS Mk III for Japan, but it was declined by the United States, and most avionics sets were developed in the Technical Research and Development Institute.^[2] The Defense Agency ordered two XSH-60Js from Sikorsky for $27 million. Their first flight was in 31 August and October 1987. They were fitted with Japanese avionics systems and tested by the JMSDF.^[3]

The SH-60J is built in Japan under license from Sikorsky. It began deliveries in August 1991 and entered service thereafter. Based on a concept of the JMSDF, HQS-103 Dipping Sonar, HPS-104 Search Radar, and HLR-108 ESM System equipment of the avionics of SH-60B be different.^[2] It is a hybrid of SH-60B and SH-60F, except for avionics. The crew includes a pilot, copilot and sensor operator. The copilot can concentrate on the role of Tactical Coordinator with the help of the Automatic Flight Management System and Inertial Navigation system.^[4]^[5]

SH-60K

The SH-60K is an upgraded version of the SH-60J.^[6] The SH-60K anti-submarine helicopter which strengthened performance and versatility for the JMSDF. Mitsubishi began development in 1997. The SH-60K has formerly known as SH-60Kai.^[7] The Director General of the Defense Agency admitted adoption in March 2005.^[8]

Mitsubishi developed new main rotor blade, Ship Landing Assist System, new avionics system, and other systems. Two prototypes SH-60Ks were built by modifying SH-60Js. These prototypes were completed and delivered by June 2002. The SH-60K's cabin was expanded in length by 30 cm (11.8 in) and in height by 15 cm (5.91 in) compared to the SH-60J.^[8] The larger cabin allows for the new avionics system.^[9] The first production SH-60K was delivered to JMSDF on 10 August 2005.^[8] A total of 50 SH-60Ks are being supplied under new production.^[7]

Variants

A JMSDF SH-60J in Okadama Airport, with a JASDF UH-60J behind it.

S-70B-2: The Sikorsky exported it for the research purpose of the Defense Agency.　
XSH-60J: 2 XSH-60Js were exported by Sikorsky.
SH-60J: 100 SH-60Js was produced in Mitsubishi.^[1]
UH-60J: Utility version produced by Mitsubishi based on UH-60L Black Hawk. 35 built. Japan plan to order 70 of the improved UH-60JA Black Hawks.^[10]
SH-60K: Trial manufacture finished in 2001, and deliveries began in August 2005.^[6]

Operators

Japan

Japan Maritime Self-Defense Force has 102 SH-60J/Ks and 19 UH-60Js in service as of Nov. 2008.^[11]
- No. 51 Squadron (Naval Air Facility Atsugi): Operational Evaluation Unit.
- No. 21 Squadron (Tateyama Air Base): Fleet Air Force having SH-60J and SH-60K.
- No. 22 Squadron (Ōmura Air Base): Fleet Air Force.

Specifications

This aircraft article is missing some (or all) of its specifications. If you have a source, you can help Wikipedia by adding them.

General characteristics

Crew: 3

Performance Armament

2 × Mark 46 torpedo
1 × 7.62 mm (.30 in) Type 74 machine gun

References

^ ^a ^b Mitsubishi SH-60J, Mitsubishi Heavy Industries, Ltd. Retrieved on 10 December 2008
^ ^a ^b Sikorsky S-70B Seahawk / Variant, Air Vector, vectorsite.net. 1 July 2006.
^ Sikorsky SH-60B "Sea Hawk", All the World's Rotorcraft. Retrieved on 12 December 2008.
^ AFMS controller for the SH-60J, Jane's Avionics, 24 January 2007. Retrieved on 18 December 2008.
^ Strapdown Attitude and Heading Reference System for the SH-60J, Jane's Avionics, 24 January 2007. Retrieved on 18 December 2008.
^ ^a ^b Mitsubishi SH-60K, Mitsubishi Heavy Industries, Ltd. Retrieved on 10 December 2008.
^ ^a ^b Mitsubishi SH-60K Upgrade. Jane's, 11 June 2008.
^ ^a ^b ^c Mitsubishi Heavy Industries, Ltd. "Development of SH-60K Patrol Helicopter" (PDF). Technical Review Vol. 42 No. 5 (Dec. 2005). Retrieved 6 January 2009.
^ Goebel, Greg. "Seahawk in Foreign Service". Vectorsite.net, 1 April 2009.
^ Leoni 2007, pp. 279-283.
^ "Directory: World Air Forces". Flight International, 11-17 November 2008.

Leoni, Ray D. Black Hawk, The Story of a World Class Helicopter, American Institute of Aeronautics and Astronautics, 2007. ISBN 978-1-56347-918-2.

External links

SH-60J page on Mitsubishi Heavy Industries site
SH-60K page on Mitsubishi Heavy Industries site
"Development of SH-60K Patrol Helicopter". Mitsubishi Heavy Industries Technical Review Volume 42 Number 5
Rightwing. "SH-60J patrol helicopter" (in Japanese). Retrieved 19 December 2008.

[mhi_sh60j-1] Mitsubishi SH-60J, Mitsubishi Heavy Industries, Ltd. Retrieved on 10 December 2008

[Vect_S-70B-2] Sikorsky S-70B Seahawk / Variant, Air Vector, vectorsite.net. 1 July 2006.

[3] Sikorsky SH-60B "Sea Hawk", All the World's Rotorcraft. Retrieved on 12 December 2008.

[4] AFMS controller for the SH-60J, Jane's Avionics, 24 January 2007. Retrieved on 18 December 2008.

[5] Strapdown Attitude and Heading Reference System for the SH-60J, Jane's Avionics, 24 January 2007. Retrieved on 18 December 2008.

[mhi_sh60k-6] Mitsubishi SH-60K, Mitsubishi Heavy Industries, Ltd. Retrieved on 10 December 2008.

[Janes_upgrade-7] Mitsubishi SH-60K Upgrade. Jane's, 11 June 2008.

[sh60k_tec_rev-8] Mitsubishi Heavy Industries, Ltd. "Development of SH-60K Patrol Helicopter" (PDF). Technical Review Vol. 42 No. 5 (Dec. 2005). Retrieved 6 January 2009.

[9] Goebel, Greg. "Seahawk in Foreign Service". Vectorsite.net, 1 April 2009.

[10] Leoni 2007, pp. 279-283.

[FI_AirForces_2008-11] "Directory: World Air Forces". Flight International, 11-17 November 2008.

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@@ Line 44: / Line 44: @@
 *'''XSH-60J''': 2 XSH-60Js were exported by Sikorsky.
 *'''SH-60J''': 100 SH-60Js was produced in Mitsubishi.<ref name="mhi_sh60j"/>
-*'''UH-60J''': Utility version produced by Mitsubishi based on UH-60L Black Hawk. 35 built. Japan plan to order 70 of the improved UH-60JA Black Hawks.<ref>Leoni 2007, pp. 279-283.</ref>
+*[[UH-60 Black Hawk|UH-60J]]: Utility version produced by Mitsubishi based on UH-60L Black Hawk. 35 built. Japan plan to order 70 of the improved UH-60JA Black Hawks.<ref>Leoni 2007, pp. 279-283.</ref>
 *'''SH-60K''': Trial manufacture finished in 2001, and deliveries began in August 2005.<ref name="mhi_sh60k" />

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