Helicopter Division Bangalore
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Brief History

Helicopter Division of Hindustan Aeronautics Limited
Welcome to Helicopter Division of Hindustan Aeronautics Limited.

Helicopter Division was established in July 1970. The division manufactures single engine as well as twin engine helicopters to cater the growing needs of the market.

Helicopter Division manufactures Rudra, Dhruv, Cheetah, Chetak, Cheetal & Lancer helicopters.

The division is supported by the co-located R&D centre – Rotary Wing Research & Design Centre (RWR&DC).
The MRO division caters to the Maintenance, Repair & Overhaul activities of helicopters.  The Rotory Wing Academy focuses on training of pilots.

HAL started manufacturing of helicopters in 1962, by entering an agreement with M/s SUD-AVIATION (Presently M/s EUROCOPTER, France) for production of Aloutte III helicopters. (Chetak). The first Chetak (Aloutte III) in ‘Fly Away’ condition delivered in 1965.

License agreement for production of Cheetah (LAMA SA 315-B) signed with M/s SNIAS (presently M/s, Eurocopter) in 1970. First Cheetah manufactured from raw materials was delivered in 1976-77.

In 1990s, HAL has developed a light attack helicopter “Lancer”. The basic structure of the lancer is derived from reliable and proven Cheetah helicopter. The helicopter has bullet proof front panels. Gun cum Rocket pod one each (70 mm Rocket+12.5 mm Gun) fitted on either side. An optical sight has been fitted for accurate firing.

The Cheetal helicopter is a re-engined variant of Cheetah helicopter. The Cheetal helicopter set the world record of world’s highest landing at ‘Saser Kangri’ of Himalayas in 2006.

HAL Helicopter division has successfully manufactured 600 Single Engine helicopters. HAL achieved self-reliance in design, developing & manufacturing of twin engine Advanced Light Helicopter “Dhruv”.  Dhruv is a multi role, multi mission all weather helicopter in the 5.5 ton category. The indigenously designed twin engine helicopter started series production during 2001-2002.

The division is accredited with AS 9100 C & ISO 14001:2004 certifications. The division is also approved by Directorate General of Civil Aviation (DGCA) for CAR 21, CAR 145 & CAR M certifications.

HAL with the proven track record of manufacturing more than 700 helicopters, the helicopter division has expand its design, developing & production range by manufacturing new helicopters like Weapon System Integrated (WSI) version of Dhruv (Christened as “Rudra”), Light Combat Helicopter (LCH) and Light Utility Helicopter (LUH).
Main Facilities
  • Machining of precision components and gears
  • Welding of light alloys and Steels
  • Heat Treatment & Protective treatments
  • Transmission Assembly
  • Structural Assembly
  • Final Assembly and field servicing
Main Facilities
Machine Shop
Machine Shop
  • Spline Cell
  • Oil jet Cell
  • Structure Support Cell
CNC Milling Machines
CNC Milling Machines
  • DMG 5 Axis CNC Machining Center
  • 4 Axis CNC Machining Center
Gear Machining Centres
Gear Machining Centres
  • Cooper CNC Gear shaper
  • Gleason Conventional Gear Generator
Transmission Assembly
Transmission Assembly


  • Main Gear Box
  • Actuated Free Wheel Assy
  • Non Actuated Free Wheel Assy
  • Main Rotor hub & UCS Assy
  • Tail Gear Box
  • Auxiliary Gear Box
  • Intemediate Gear Box
  • Tail Drive shaft
  • ARIS


ALH Final Assembly
ALH Final Assembly
  • Structural Assy
  • Equipping & Final Assy
Certifications - Helicopter Division

AS 9100 ‘C’
(Aerospace Standard)
Production Organization Exposition (POE)
Civil Aviation Requirements – 21 (CAR-21)
Maintenance Organization Exposition (MOE)
Civil Aviation Requirements – 145 (CAR-145)
Continuing Airworthiness Management Organization (CAMO)
Civil Aviation Requirements – M (CAR-M)
DGAQA Certification
AFQMS -2011(Approval of Firm and It’s Quality Management System)
ISO 14001:2004
(Environment Management System Standard)
With a view to enhance the rate of production and to involve private sector, Helicopter Division is outsourcing manufacturing of aero components and tooling.  The components involve machining parts (conventional, CNC and special purpose) and sheet metal components. The tooling involves jigs, fixtures, form tools etc.

The Division is looking to expand its vendor base for
  • Conventional & CNC machining
  • Sheet Metal Components
  • Tooling

Interested parties may register with the Division either directly or through HAL web site.
The Helicopter Divisions has received following awards:
  • Jawaharlal Nehru trophy for the Best production Division of Hindustan Aeronautics Limited for 1992 and 1994.
  • Raksha Mantri’s Award for Excellent performance in innovation for the year 2003-04 for re-engining of Cheetah H/c with TM 333 2M2 engine.
  • Unnatha Suraksha Puraskara Of National Safety Council – Karnataka Chapter for the year 2005.
Services provided by the Helicopter Division
The Helicopter Division offers service to customers for:
  • Upgrade of Helicopters
  • Development of modifications to introduce new systems to improve performance and make the helicopters more efficient and cost-effective
  • Development of modifications as desired by the Customers
  • Maintenance of civil helicopters
  • In-situ and in-house repairs of helicopters
  • Scheduled and unscheduled servicing of helicopters
  • Supply of spares against AOG demands and on clean exchange basis for civil helicopters
  • Supply of Ground Handling, Ground Service and Bay Service Equipment’s.
  • Assistance in Investigations of Accidents/incidents and Defects
  • Life Extension Studies
  • Technical support in the form of answers to Technical queries and Defect Investigations
  • Training in spares management, ab-initio and conversion training of Pilots, training of Engineers and Workmen for the maintenance of helicopters through in-plant training courses, maintenance workshops and operators' conferences
  • Technical services like issue of amendments to the Product Literature including Illustrated Parts Catalogue (IPC), Flight Manuals, Maintenance Manuals, Overhaul Manuals and Repair Manuals

The Helicopter Division is also the maintenance agency for Civil Dhruv Helicopters.

The Division is equipped to cater the requirements of Defence, Export and Civil customers.
Executive Director
Helicopter Division

Helicopter Complex
Hindustan Aeronautics Limited
Bangalore – 560 017

Telephone : 91 - 80 - 22312924, 22318602
Fax : 91 - 80 - 22314717