Satellites, spy aircraft, fighters, helicopters and foot soldiers are conducting a massive search operation for the missing AN-32 aircraft but are yet to find any trace of the wreckage in Arunachal Pradesh. A major problem in locating the aircraft is the outdated emergency locator transmitters or beacon installed in the cargo compartment of the AN-32.

from Times of India https://timesofindia.indiatimes.com/india/missing-an-32-aircraft-outdated-locator-beacon-hampers-massive-search-operations/articleshow/69652723.cms