"advanced-light-helicopter"

While one of the four crew members on board the ICG's advanced light helicopter (ALH) was rescued, a search operation is on for three others

The causes leading to the mishap is not clear and the Indian Navy has ordered an inquiry, an official spokesperson said.

Joint user trials for Helina, the Army version, and Dhruvastra, the Air Force version, were carried out from the Advanced Light Helicopter (ALH) platform in the desert ranges.