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HAL Dhruv (Polaris)

Multirole Medium-Lift Transport Helicopter

HAL Dhruv (Polaris)

Multirole Medium-Lift Transport Helicopter

OVERVIEW
SPECIFICATIONS
ARMAMENT
VARIANTS
HISTORY
IMAGES
Overview



The HAL Dhruv is currently in service with Indian armed forces and has found customers in several countries around the world.
National Flag Graphic
ORIGIN: India
YEAR: 2002
STATUS: Active, In-Service
MANUFACTURER(S): Hindustan Aeronautics Limited (HAL) - India
PRODUCTION: 231
OPERATORS: Bolivia; Burma; Ecuador; India; Israel; Maldives; Mauritus; Nepal; Peru; Suriname; Turkey
National flag of Bolivia
BOL
National flag of Ecuador
ECU
National flag of India
IND
National flag of Israel
ISR
National flag of Maldives
MDV
National flag of Nepal
NEP
National flag of Peru
PER
National flag of Suriname
SUR
National flag of Turkey
TUR
Technical Specifications



Unless otherwise noted the presented statistics below pertain to the HAL Dhruv model. Common measurements, and their respective conversions, are shown when possible.
CREW: 2
POWER: 2 x Shakti turboshaft engine developing 1,200 horsepower OR 2 x Turbomeca TM 333-2B2 turboshaft engines developing 1,000 horsepower each while driving a four-blade main rotor and a four-blade tail rotor.
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Armament



OPTIONAL (Armed Variant):
8 x Anti-tank missiles for ranged tank-killing.
4 x 68mm rocket pods for basic ground attack.
2 x Torpedoes for submarine-/ship-hunting.
2 x Depth charges for submarine-hunting.
4 x Anti-ship missiles for ship-hunting.
Graphical image of an aircraft rocket pod
Graphical image of an aircraft aerial torpedo
Variants / Models



• Dhruv - Base Series Production Designation
• Rudra - Armed Combat Variant of the Dhruv
• Dhruv NUH - Naval Utility Helicopter proposal for the Indian Navy; debuted at Aero India 2019; featuring folding main rotor blades and folding tail rotor unit; 2 x Shakti 1H1 turboshaft engines.


History



Detailing the development and operational history of the HAL Dhruv (Polaris) Multirole Medium-Lift Transport Helicopter.  Entry last updated on 2/22/2019. Authored by Staff Writer. Content ©www.MilitaryFactory.com.
While still largely reliant on foreign suppliers, the Indian military industry has made strides in developing internal solutions to ongoing requirements. Hindustan Aeronautics Limited (HAL) has developed the "Dhruv" (meaning "Polaris") as a multirole, medium-lift helicopter to serve the Army, Air Force and Navy. Some 200 of the type have since been produced. Its armed combat version is the HAL "Rudra".

The Dhruv was unveiled in late 1984 and this stemmed from a 1979 requirement for a multirole military helicopter in the five-ton range. The process involved foreign assistance from the MBB concern of Germany - then West Germany. First flight was recorded on August 20th, 1992. However, the development phase was fraught with delays by way of technological challenges, sanctions, changing Army requirements (and its general commitment) and internal economic issues - its first flight was actually scheduled for 1989. This led to the platform finally attaining service introduction in March of 2002.

Another setback proved to be the engine of choice - the American LHTEC T800 turboshaft - which fell under embargo. This forced engineers to select a French-originated model in the Turbomeca TM333-2B2 turboshaft of 1,000 horsepower (India has held a close relationship with both France and Russia in recent decades). The selection of the French engine then involved assistance from French engineers which benefitted the program considerably.

At its core, the Dhruv is a largely conventional multirole platform. It sports a well-glazed cockpit seating two in a side-by-side arrangement. Aft of the cockpit is the passenger seating area straddled along either side by sliding access doors. The engines sit atop the cabin roof in the usual way and drive a four-bladed composite main rotor (low mounted) as well as a four-bladed tail rotor (by way of an extension shaft in the tail stem) fitted to the starboard side. The undercarriage is fixed as a twin skid assembly for simplicity in operation and repair though some versions have been seen with a retractable wheeled undercarriage as well. The raised tail stem allows a clamshell type access door to be fitted at the fuselage rear. The tail unit also contains a vertical fin (which mounts the drive gear for the tail rotor) and low-mounted horizontal planes (containing smaller vertical tail fins).

The Dhruv military form first appeared through the Mk.1 designation and this was a crude form of the intended design, featuring a mechanical-gauged cockpit. Production of these began in 2001 and some 56 were delivered. The Mk.2 introduced a locally-designed and developed (by HAL) all-glass cockpit for a more modern look. These were largely faithful to the Mk.1 version save for its advanced internals and production began in 2007. The Mk.3 was given uprated engines ("Shakti" engines of 1,200 horsepower), an improved countermeasures fit (chaff and flare dispensers), improved Electronic Warfare (EW) equipment, increased survivability and vibration control solutions. Introduction of this form came in 2012. The Mk.4 "Rudra" is the aforementioned armed combat model featuring an integrated weapons system.

The Dhruv also exists along civilian market lines in the C, CFW and CS models. These can seat as many as twelve passengers and have been in service since late 2003. The helicopter is in military service with (or scheduled to enter service with) the governments of Ecuador, India, Israel, Maldives, Mauritius, Nepal and Suriname. In civilian airspace, the Dhruv has been seen in (or ordered by) India, Turkey and Peru. First export customers were Nepal and Israel.




Program Updates

December 2018 - The homegrown Dhruv is a contender to fulfill a requirement for fourteen Indian Coast Guard helicopters. It is being challenged by the French Airbus Helicopters H225M form.

February 2019 - HAL of India has unveiled a navalized mock-up of its Dhruv helicopter at Aero India 2019. This version of the helicopter will sport folding main rotor blades and a completely folding tail unit for storage aboard space-strapped warships. Power to the vehicle will be through 2 x Shakti 1H1 turboshaft engines of 1,032 horsepower each. The primary target of this venture is the Indian Navy which seeks to fill a standing requirement for 111 utility-minded helicopters. The entry faces stiff competition from established products originating from Bell and Lockheed Martin of the United States, Airbus Helicopters of France, and Kamov of Russia.
Media







Our Data Modules allow for quick visual reference when comparing a single entry against contemporary designs. Areas covered include general ratings, speed assessments, and relative ranges based on distances between major cities.

Image of collection of graph types

Relative Maximum Speed
Hi: 200mph
Lo: 100mph
This entry's maximum listed speed (174mph).

Graph average of 150 miles-per-hour.
City-to-City Ranges
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Graph showcases the HAL Dhruv'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 (231)
Comm. Market HI*: 44,000 units
Military Market HI**: 36,183 units
231
231

  * 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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