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DRDO tests new Air Independent Propulsion system to be fitted in Scorpenes

The AIP system, once ready, will from 2024-25 onwards, be "retrofitted" into six Scorpene submarines that are being built in India under Project 75

Indian navy, submarine, defence
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The six Project-75I submarines will be powered by AIP systems that the foreign vendor must offer

Ajai Shukla New Delhi
The Defence Research and Development Organisation (DRDO) crossed an important milestone on Monday, when it demonstrated an Air Independent Propulsion (AIP) system that will allow Indian Navy submarines to operate for up to two weeks without having to surface to recharge its batteries.

“The (AIP) plant was operated in endurance mode and maximum power mode as per the user requirements. The system is being developed by Naval Materials Research Laboratory (NMRL) of DRDO,” announced the Ministry of Defence (MoD) on Tuesday.

Since NMRL’s is expected to operationally field its indigenous AIP only by 2023-24, this will come too late to power the