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IAF gets respite from training nightmare with HTT-40 deal. Focus now on Intermediate Jet Trainer

The new aircraft will be part of first stage of IAF pilot training & will eventually replace Swiss-made Pilatus bought in 2012. HTT-40 boasts of about 55% indigenous content.

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New Delhi: The Indian Air Force (IAF) Thursday inked a Rs 6,800 crore deal with state-run Hindustan Aeronautics Limited (HAL) for the purchase of 70 Hindustan Turbo Trainer (HTT)-40 trainer aircraft, a move that reduces the pressure off the force which is juggling its training modules due to limited number of planes.

The HTT 40, a project that was funded by HAL through its own internal funds after the IAF had initially refused to take part, is now seen by the force as a game changer and progress made in “record time”.

“The successful implementation of the project in record time is a big relief. We now hope for the delivery schedule to be met,” a source in the defence establishment said.

The new aircraft will be part of the first stage of training for the IAF pilots – basic training – and will eventually replace the Swiss-made Pilatus aircraft bought in 2012.

The IAF pilots go through three stages of training using three different kinds of aircraft before they move on to fighters. 

The man behind the HTT-40, which is also being planned for export, is former HAL chairman T. Suvarna Raju who initiated the project in 2012 when he became the Design Director at the state-run firm.

“The IAF had gone in for the Swiss basic training aircraft Pilatus. I went to my board and got approval of Rs 400 crore of our own money to kickstart the project,” Raju told ThePrint.

Incidentally, Raju was the HAL chairman when the first prototype, bearing his initials TSR 001 on the wing, made its first landing in front of the then defence minister Manohar Parrikar in 2016

HAL sources said that the all-metal aircraft, which is powered by Honeywell engines, has about 55 per cent indigenous content.  

Asked about the high cost per aircraft of about Rs 90 crore each (if one calculates the contract value to total number of planes ordered for), HAL sources said that actual cost is less than Rs 50 crore a piece and the extra cost is towards the spares, training and infrastructure costs besides other expenses. 

The HTT 40 has features like running changeover of pilots, hot-refueling, zero-zero ejection seats, multi-function displays, night flying capabilities and a range of 1,000 km with a top speed of 450 kmph. 

All the tests required for certification were completed in six years from the first flight that took place in May 2016. 

In November 2019, former IAF chief Air Chief Marshal R. K. S. Bhadauria had flown in the HTT-40 during which he reviewed its flying characteristics including the six-spin routine. 


Also Read: Prachand, India’s new Light Combat Helicopter, doesn’t yet have main arsenal or protection suite


Next up is Intermediate Jet Trainer (IJT) 

Defence sources said the next step for the IAF is the Intermediate Jet Trainer (IJT) which will replace the ageing Kiran aircraft used for Stage 2 of training.

Both Stage 1 and Stage 2 of training last for six months each before the pilots move onto the next stage which is for about one year on board the Hawk jets.

Sources explained that because of the depleting number of trainers, the IAF was forced to use limited numbers of Kiran and even Pilatus for Stage 2 of training. 

It was in January that the IAF pilots successfully demonstrated the IJT’s capability to carry out six turn spins to the Left Hand and Right Hand sides.

Though the IJT had completed demonstration of its capabilities in terms of altitude and speed envelope, load factor, satisfactory stall characteristics and limited armament capability as required by the IAF much earlier, successful spin test was pending. 

During spin testing in 2016, the aircraft departed from controlled flight which brought the programme to a temporary halt, the HAL had said in a statement, adding that it decided to proceed further using its internal resources to complete the critical spin testing.

Basic training saga 

Till the IAF decided to go in for the Pilatus aircraft, a deal which is mired in controversy over allegations of kickbacks, the IAF pilots used to do their first stage of training on board HAL manufactured Hindustan Piston Trainer-32 (HPT-32).

The aircraft was grounded in 2009 following several crashes and engine failures. That is when the IAF went in for the Pilatus deal for 75 aircraft.

In its 2019 report, the Comptroller and Auditor General of India (CAG) was critical of the Rs 2,895.63 crore deal, saying that incorrect price calculations had worked in the firm’s favour.

The audit report said that the Switzerland-based Pilatus Aircraft got the deal despite failing to commit to transfer of technology for maintenance, and was allowed to tweak its offer at a later stage for an advantage over competitors. The firm also didn’t offer a seamless supply of spares, it added.

The 2012 deal has been under the scanner of the Central Bureau of Investigation (CBI) since it was flagged by the defence ministry while it was under Manohar Parrikar. However, in January 2016, the Defence Acquisition Council (DAC) approved the procurement of 38 PC-7 Mk-II trainers from the Swiss company after a strong pitch from the IAF.

The government then cancelled the proposed deal for additional Pilatus aircraft in 2019, after the HTT-40 cleared crucial trials. 

However, suspension of business with Pilatus affected the maintenance of the existing fleet since spare parts were unavailable. Sources said the IAF was forced to source spare parts from third part sources and also cannibalise existing aircraft. 

(Edited by Tony Rai)


Also Read: Why the famed Russian Air Force failed in Ukraine and the vital lessons IAF can draw from it


 

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