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HAL Indian Multi-Role Helicopter (IMRH)


Medium-Lift Transport Helicopter


India | 2025



"The Indian Multi-Role Helicopter is a new rotary-wing initiative by HAL of India to fill an Indian military medium-lift transport requirement."



Authored By: Staff Writer | Last Edited: 08/07/2018 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.
In the works for Hindustan Aeronautics Limited (HAL) of India is a new medium-lift helicopter currently (and rather generically) titled the "Indian Multi-Role Helicopter" (IMRH). To compete in its class, the design intends to challenge several other global participants in the potentially lucrative rotary-wing market. The market is made more lucrative by the fact that many military services of the world will soon be looking to upgrade a stock of rotary-wing platforms that maintain origins in the Cold War (1947-1991). The IMRH is being developed to challenge current players in the 10- to 15-ton class market and will be similar in battlefield form and function to such types as the American Sikorsky UH-60 "Black Hawk" and Russian Mil Mi-17 transport lines.

With nearly 300 helicopters of its own reaching their maximum age and operational usefulness - namely Soviet-era Mil Mi-8 and Mi-17 types - the Indian military will itself be seeking such a product in the near future. HAL is already involved in the Light Combat Helicopter (LCH), Light Utility Helicopter (LUH), and "Dhruv" rotary-wing programs. The IMRH stems from an earlier Indian initiative (cancelled in 2009) seeking a similar air system and foreign partners. Changing Indian military service requirements ultimately led to this program being scrapped.

The clean sheet design (with listed specifications subject to change as the program develops) will utilized a pair of turboshaft engines rated at around 2,415 horsepower each (with FADEC, "Full-authority Digital Engine Control") and these will be used to drive a main rotor and tail rotor unit in standard arrangement. Composites figure heavily in its construction for a lightweight, yet rugged, approach. Range is estimated at about 500 miles with a service ceiling up to 21,500 feet and maximum speed of 170 miles per hour. A payload capacity of 9,920lb is stated along with an operating crew of two and an MTOW of 24,000lb.

During Aero India 2017, HAL unveiled a full-sized mockup of the proposed helicopter and its appearance is very much in line with modern French medium-lift offerings. The engines are seated atop the passenger cabin and a five-blade main rotor sits close to the engine housing. The pilots are given excellent vision out-of-the-cockpit thanks to liberal use of windshields. Windows dot the sides of the cabin and doors allow for easy entry-exit. The tail rotor is offset to the starboard side and sports four blades. The undercarriage is wheeled and presumably retractable.

Beyond its assumed military value, the IMRH will no doubt be marketed to civilian and industry sectors for maximum return of investment. A first-flight is tentatively scheduled for sometime in 2019 but the Indian aero-industry is notorious for lengthy developmental periods concerning aircraft so this is subject to change. Service entry would not be until sometime in the 2020s.

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Power & Performance
Those special qualities that separate one aircraft design from another. Performance specifications presented assume optimal operating conditions for the HAL Indian Multi-Role Helicopter (IMRH) Medium-Lift Transport Helicopter.
2 x Turboshaft engines of 2,415 horsepower (or similar) of unknown make and model driving a five-bladed main rotor and four-bladed tail rotor.
Propulsion
171 mph
275 kph | 148 kts
Max Speed
21,506 ft
6,555 m | 4 miles
Service Ceiling
500 miles
805 km | 435 nm
Operational Range
1,575 ft/min
480 m/min
Rate-of-Climb
City-to-City Ranges
Operational range when compared to distances between major cities (in KM).
NYC
 
  LON
LON
 
  PAR
PAR
 
  BER
BER
 
  MOS
MOS
 
  TOK
TOK
 
  SYD
SYD
 
  LAX
LAX
 
  NYC
Structure
The nose-to-tail, wingtip-to-wingtip physical qualities of the HAL Indian Multi-Role Helicopter (IMRH) Medium-Lift Transport Helicopter.
2
(MANNED)
Crew
52.5 ft
16.00 m
O/A Length
53.5 ft
(16.30 m)
O/A Width
17.2 ft
(5.25 m)
O/A Height
23,997 lb
(10,885 kg)
MTOW
Design Balance
The three qualities reflected below are altitude, speed, and range. The more full the box, the more balanced the design.
RANGE
ALT
SPEED
Armament
Available supported armament and special-mission equipment featured in the design of the HAL Indian Multi-Role Helicopter (IMRH) Medium-Lift Transport Helicopter .
Typically None. May be equipped for self-defense / suppression machine guns are doors or modified for the gunship role if needed.

Payload capability of up to 9,920lb.
Variants
Notable series variants as part of the HAL Indian Multi-Role Helicopter (IMRH) family line.
IMRH "Indian Multi-Role Helicopter" - Base Project Name
HMLH "HAL Medium-Lift Helicopter" - Alternative Name
Operators
Global customers who have evaluated and/or operated the HAL Indian Multi-Role Helicopter (IMRH). Nations are displayed by flag, each linked to their respective national aircraft listing.

Total Production: 0 Units

Contractor(s): Hindustan Aeronautics Limited (HAL) - India
National flag of India

[ India (probable) ]
Relative Max Speed
Hi: 200mph
Lo: 100mph
Aircraft Max Listed Speed (171mph).

Graph Average of 150 MPH.
Era Crossover
Pie graph section
Showcasing Aircraft Era Crossover (if any)
Max Alt Visualization
Small airplane graphic
MACH Regime (Sonic)
Sub
Trans
Super
Hyper
HiHyper
ReEntry
RANGES (MPH) Subsonic: <614mph | Transonic: 614-921 | Supersonic: 921-3836 | Hypersonic: 3836-7673 | Hi-Hypersonic: 7673-19180 | Reentry: >19030
Aviation Timeline
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1 / 1
Image of the HAL Indian Multi-Role Helicopter (IMRH)
Official image from Hindustran Aeronatics Limited.

Mission Roles
Some designs are single-minded in their approach while others offer a more versatile solution to airborne requirements.
MEDEVAC
SEARCH & RESCUE
TRANSPORT
Recognition
Some designs stand the test of time while others are doomed to never advance beyond the drawing board; let history be their judge.
Going Further...
The HAL Indian Multi-Role Helicopter (IMRH) Medium-Lift Transport Helicopter appears in the following collections:
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