Norway’s new Type 212CD submarines will bring air-independent propulsion (AIP) to the Royal Norwegian Navy’s submarine flotilla for the first time.

Navantia has successfully completed the factory acceptance tests of the AIP BEST system for the S-80 submarines.

L&T and DRDO signed a contract for the realization of two AIP System Modules for Kalvari-class Submarines of the Indian Navy.

TKMS signed a MoU with MDL on the intended construction of conventional, air-independent propulsion submarines on 7 June 2023.

DRDO & Naval Group sign agreement to integrate the Fuel Cell Air Independent Propulsion (AIP) system onboard Indian Navy Scorpene type submarine INS Kalvari.

Daewoo Shipbuilding & Marine Engineering (DSME) announced today that it has successfully delivered a 'methanol steam reforming plant for submarine fuel cells' at the Siheung R&D campus.

The first Russian oxygen/hydrogen air-independent propulsion (AIP) unit designed for the Sarma unmanned undersea vehicle (UUV)...

New construction halls and dry dock in Karachi are taking shape. Although official details are scarce, we understand that the new site will be for the local construction of Type-039B AIP submarines for the Pakistan Navy.

Abengoa has inked a contract with Navantia to supply its AIP system to the future S80 Plus submarines of the Spanish Navy. Abengoa’s solution was selected in Feb. 2020 by the General Directorate of Armament and Material of the Spanish MoD. The Spanish company stated that its AIP system will allow the S80 Plus to operate for up to 3 weeks without surfacing.

India's fuel cell-based Air Independent Propulsion (AIP) system has crossed several milestones in technology maturity, the Defence Research and Development Organisation (DRDO) has announced.