The Dhruv has never been short of critics. The first crash, on a ferry flight in November 2005, led to a fleet grounding and a redesign of the tail rotor; the aircraft returned to service in 2006. A 2009 Army report complained that early aircraft could not deliver the promised performance at altitude, a problem the Shakti engine was meant to cure. The Ecuadorian Air Force, the first significant export customer, lost several of its seven aircraft and cancelled its contract with HAL in 2015, although India later said two of the crashes were due to pilot error.

The hardest period began in March 2023. A Navy Dhruv ditched off Mumbai on 8 March, a Coast Guard Mk III crashed at Kochi on 26 March and an Army aircraft came down in Kishtwar on 4 May, killing a technician. The fleet was grounded while investigators examined defective booster control rods, and HAL began replacing components across the fleet in 2024. Then on 5 January 2025 a Coast Guard Dhruv crashed at Porbandar, killing three including both pilots, and the fleet was grounded again. By then The Tribune counted 23 major accidents and 17 pilots killed in 23 years. Government figures given in 2016 attributed 12 of the first 16 accidents to human error and environmental factors and four to technical causes.

The Navy was a reluctant early customer, and in 2008 a senior officer said publicly that the type had a long way to go before it could take on basic naval roles. The answer was a dedicated maritime version of the Mk III. In February 2021, at Aero India, HAL handed three to the Navy and two to the Coast Guard from a contract for 16, each fitted with Shakti engines, a glass cockpit, surveillance radar, an electro-optical pod, a 12.7 mm gun and a removable medical intensive-care unit.

On 30 November 2022 the Coast Guard commissioned 840 Squadron at Chennai, one of its ALH Mk III units; by then 16 aircraft had been inducted. In March 2023 the Defence Acquisition Council approved more Mk IIIs for the Coast Guard, valued for their night and instrument-flight capability. Abroad, an Indian Navy Dhruv was stationed at Kadhdhoo in the Maldives in April 2016 for search and rescue, casualty evacuation and surveillance. The naval fleet has also borne some of the type’s worst accidents, from the Mumbai ditching in 2023 to the Porbandar crash of 2025.

The first production standard, the Mk I, had conventional dials. In 2004 HAL signed a contract worth about US$33 million with Israel Aerospace Industries to supply avionics for at least 100 helicopters, and the Mk II introduced a HAL-IAI glass cockpit. The Mk III brought the Shakti engines together with Saab’s integrated display system, a digital moving map, an electro-optical pod, infrared suppression, health and usage monitoring and an electronic warfare suite with automatic chaff and flare dispensers.

A four-axis automatic flight control system eases the workload in cloud and at night, which mattered to the Coast Guard’s requirement for full night and instrument flying. The naval Mk III MR adds a nose-mounted surveillance radar with synthetic-aperture and moving-target modes, and can be fitted to carry two anti-submarine torpedoes. Operators have repeatedly asked for more from the airframe, and the long-running control-rod problems of 2023 to 2025 showed how much a single component can matter to a fleet of hundreds.

• Dhruv Mk I: initial production standard with conventional cockpit and TM333-2B2 engines.
• Dhruv Mk II: HAL-IAI glass cockpit.
• Dhruv Mk III: Shakti engines, integrated glass cockpit, electronic warfare suite; the standard for most later Army, Air Force, Navy and Coast Guard aircraft.
• Mk III MR: maritime reconnaissance version with surveillance radar, electro-optical pod, 12.7 mm gun and medical intensive-care unit.
• Rudra (Mk IV): armed version, first flown on 16 August 2007 and cleared for service in February 2013, with a 20 mm turret gun, rockets, Mistral air-to-air missiles and anti-tank missiles; about 90 serve with the Army and Air Force.
• Civil Dhruv: certified with retractable gear, wheels or skids; the Garuda Vasudha carries a geophysical survey system.
• Dhruv NG: a 14-seat civil version with Shakti engines, which first flew at the end of 2025.

The Prachand light combat helicopter is a new, narrow tandem-seat design, but it uses the Dhruv’s dynamic system and Shakti engines.

HAL and the Indian services do not publish a cost per flight hour for the Dhruv, so any figure is an estimate. A 5-tonne twin-turbine helicopter of this class typically costs a few thousand US dollars an hour to operate once fuel, spares and maintenance are counted, and Indian labour costs make the Dhruv cheaper to support at home than an imported equivalent.

The larger cost has been availability. Fleet-wide groundings in 2005 and 2006, in 2023 and again in 2025 left hundreds of aircraft parked, forced the Army and Coast Guard to restrict operations and, in 2023, led to inspection intervals being shortened to 100 flying hours while control rods were replaced. Ecuador’s cancellation in 2015 cost HAL its showcase export customer. For India the strategic value of an indigenous helicopter that can be supported, modified and produced at home has so far outweighed those costs, and orders for new Mk IIIs and the civil Dhruv NG have continued.