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FHI UH-X (Bell Model 412EPI)

Military Troop Transport Helicopter / Support Gunship

FHI UH-X (Bell Model 412EPI)

Military Troop Transport Helicopter / Support Gunship

OVERVIEW
SPECIFICATIONS
ARMAMENT
VARIANTS
HISTORY
IMAGES
Overview



The Bell Model 412 was selected through the UH-X program for future frontline service in the JSDF.
National Flag Graphic
ORIGIN: Japan
YEAR: 2022
STATUS: In-Development
MANUFACTURER(S): Subaru (Fuji Heavy Industries) - Japan / Bell Helicopter - USA
PRODUCTION: 1
OPERATORS: Japan (ordered)
National flag of Japan
JPN
Technical Specifications



Unless otherwise noted the presented statistics below pertain to the Bell Model 412EPI model. Common measurements, and their respective conversions, are shown when possible.
CREW: 2
POWER: 2 x Pratt & Whitney Canada PT6T (T400) turboshaft engines developing 1,000 horsepower each and driving four-bladed main rotor and two-bladed tail rotor.
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Armament



OPTIONAL (assumed):
Support for rocket pods, gun pods and door guns as required by mission.
Graphical image of an aircraft machine gun pod
Graphical image of an aircraft rocket pod
Variants / Models



• Model 412 - Bell Helicopter product model based on the Bell Model 212 twin-engine UH-1 series.


History



Detailing the development and operational history of the FHI UH-X (Bell Model 412EPI) Military Troop Transport Helicopter / Support Gunship.  Entry last updated on 1/4/2019. Authored by Staff Writer. Content ©www.MilitaryFactory.com.
Fresh off the heels of becoming the first export customer of the tilt-rotor Bell V-22 "Osprey" platform, the Japanese Self-Defense Force (JSDF) has selected the Bell Model 412 as its new general transport amidst growing tensions with China in the South China Sea. The decision to go with the proven Model 412 is a sound one, promising low-cost procurement and on-time delivery. The Bell product - to be produced locally under license by Fuji Heavy Industries - beat out challengers from Kawasaki Heavy Industries (KHI) and Airbus Helicopters to secure Fuji a short-term future in the Japanese rotary-wing aircraft market. FHI owns an advantage in having teamed with Bell to produce earlier marks of the famous UH-1 "Huey" / "Iroquois" transport helicopter of Vietnam War fame. The product was one of the most iconic and popular helicopters of the Cold War decades. The last UH-1J built by FHI came in 2007.

The Model 412 formed the FHI submission for the JSDF's "UH-X" helicopter competition initially won by Kawasaki in 2012. Kawasaki lost its bid when the government cancelled its commitment due to bid-rigging accusations. Fuji had been pushing the Bell 412 since 2009 and was awarded the new contract in 2015 based on a proven track record, its experience with Bell products and its delivery and performance promises. The selection of the Model 412 means that the Huey line will continue in production and service for a time longer that ever envisioned, already over 55 years since the original single-engined UH-1 was introduced with American forces. A much-improved mark then followed with a twin-engine arrangement.

Fuji has manufactured the UH-1H as the UH-1J locally and these were produced with 2 x Allison T53-L-703 turboshaft engines of 1,800 horsepower each. A vibration-reduction system, night-vision equipment support and IR-based countermeasures were part of the local improvements.

In 1981, the Model 412 was introduced by Bell and since then over 870 examples have been delivered. This model was based on the earlier Bell 212 but had a composite four-bladed main rotor as part of its major improvements. The earlier Bell 212 featured a two-bladed main rotor. The Bell 412 also forms the basis of the Canadian Army's CH-146 "Griffon" series of 1995 to which 100 were built.




FHI UH-X (Bell Model 412EPI) (Cont'd)

Military Troop Transport Helicopter / Support Gunship

FHI UH-X (Bell Model 412EPI) (Cont'd)

Military Troop Transport Helicopter / Support Gunship



The Model 412 has seen its fair share of variants produced since its inception. The Model 412 marked standard versions with Pratt & Whitney Canada (P&WC) PT6T-3B engines. The Model 412 EPI became a "glass cockpit" version outfitted with P&WC PT6T-9 electronically-controlled engines and represents the main American market variant. It is this model series that will be represented in the JSDF inventory. It is assumed that the Japanese military will remain largely faithful to the American product and will retain its PT6T engines (military designation of "T400") but with more modern onboard systems to suit JSDF over-water operations. The twin engine layout, a requirement of the UH-X program, will provide increased survivability over water when transporting Japanese troops to island hotspots in the region. These two engines driver power to a single-gearbox which, in turn, manages function of the four-bladed main rotor and a twin-bladed tail rotor (fitted to port side).

The UH-X Model 412 will no doubt also support mounting of various weapons including rocket pods, gun pods and door guns. The fixed landing skid will do away with a more complicated retractable undercarriage. Internal seating will be for two flight crew and up to eleven combat-ready troops. Beyond its obvious military applications, the UH-X is also expected to serve in humanitarian relief roles as called.

As of this writing (2015), the UH-X is expected to be procured in 150 total systems with development set to begin before the end of 2015. Production is set to span into the early 2040s extending the life of the UH-1 family that much further. A civilian market form will also be offered by FHI to help offset the gaps in the expected military batch orders. Possible customers may include regional partners in South Korea and elsewhere. Barring delays, the UH-X should become a JSDF mainstay in 2021.

The Japanese Navy is also currently on the lookout for its own general troop transport and has arranged a program under the "UH-X" designation as well, though the two programs are independent of each other adding an air of confusion.




Program Updates

July 2018 - The Model 412EPI, now designated the "412EPX", has achieved certification. A prototype has been completed.

September 2018 - The UH-X remains on schedule with production by Subaru set to begin in April 2019 and first-deliveries set for 2021-2022.

December 2018 - The prototype UH-X flew for the first time on December 25th, 2018 completing a flight lasting 55 minutes over Utsunomiya. At least 150 UH-X units are required by the Japanese military to succeed an aging line of UH-IJ transports.
Media





General Assessment
Firepower  
Performance  
Survivability  
Versatility  
Impact  


Values are derrived from a variety of categories related to the design, overall function, and historical influence of this aircraft in aviation history.
MF Power Rating
68
The MF Power Rating takes into account over 60 individual factors related to this aircraft entry. The rating is out of 100 total possible points.
Relative Maximum Speed
Hi: 200mph
Lo: 100mph
This entry's maximum listed speed (162mph).

Graph average of 150 miles-per-hour.
City-to-City Ranges
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Graph showcases the Bell Model 412EPI's operational range (on internal fuel) when compared to distances between major cities.
Aviation Era
Pie graph section
Pie graph section
Pie graph section
Pie graph section
Pie graph section
Useful in showcasing the era cross-over of particular aircraft/aerospace designs.
Unit Production (1)
Comm. Market HI*: 44,000 units
Military Market HI**: 36,183 units
1
1

  * Commercial Market High belongs to Cessna 172.

  ** Military Market High belongs to Ilyushin Il-2.


Altitude Visualization
Small airplane graphic
Supported Roles
A2A
Interception
UAV
Ground Attack
CAS
Training
ASW
Anti-Ship
AEW
MEDEVAC
EW
Maritime/Navy
SAR
Aerial Tanker
Utility/Transport
VIP
Passenger
Business
Recon
SPECOPS
X-Plane/Development
A2A=Air-to-Air; UAV=Unmanned; CAS=Close Support; ASW=Anti-Submarine; AEW=Airborne Early Warning; MEDEVAC=Medical Evac; EW=Electronic Warfare; SAR=Search-Rescue
Commitments / Honors
Military lapel ribbon for Operation Allied Force
Military lapel ribbon for the Arab-Israeli War
Military lapel ribbon for the Battle of Britain
Military lapel ribbon for the Battle of Midway
Military lapel ribbon for the Berlin Airlift
Military lapel ribbon for the Chaco War
Military lapel ribbon for the Cold War
Military lapel ribbon for the Cuban Missile Crisis
Military lapel ribbon for pioneering aircraft
Military lapel ribbon for the Falklands War
Military lapel ribbon for the French-Indochina War
Military lapel ribbon for the Golden Age of Flight
Military lapel ribbon for the 1991 Gulf War
Military lapel ribbon for the Indo-Pak Wars
Military lapel ribbon for the Iran-Iraq War
Military lapel ribbon for the Korean War
Military lapel ribbon for the 1982 Lebanon War
Military lapel ribbon for the Malayan Emergency
Military lapel ribbon representing modern aircraft
Military lapel ribbon for the attack on Pearl Harbor
Military lapel ribbon for the Six Day War
Military lapel ribbon for the Soviet-Afghan War
Military lapel ribbon for the Spanish Civil War
Military lapel ribbon for the Suez Crisis
Military lapel ribbon for the Vietnam War
Military lapel ribbon for Warsaw Pact of the Cold War-era
Military lapel ribbon for the WASP (WW2)
Military lapel ribbon for the World War 1
Military lapel ribbon for the World War 2
Military lapel ribbon for the Yom Kippur War
Military lapel ribbon for experimental x-plane aircraft
* Ribbons not necessarily indicative of actual historical campaign ribbons. Ribbons are clickable to their respective campaigns/operations.


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