Indonesian authorities are searching for a small passenger plane after contact was lost on Saturday with the aircraft carrying 11 people, rescue officials told AFP.The Indonesia Air Transport turboprop plane left from Yogyakarta and was headed for the city of Makassar on Sulawesi island, with three passengers and eight crew members on board, according to the Makassar search and rescue agency.Contact was lost shortly after 1:00 p.m. (0600 GMT).For all the latest headlines, follow our Google News channel online or via the app.Muhammad Arif Anwar, the head of the local search and rescue agency, said teams were deployed to a mountainous area of Maros Regency, which borders Makassar, near the last known location of the plane.The search on land and by air involved the air force, police and volunteers, he added.Andi Sultan, operations chief at the Makassar search and rescue agency, said a helicopter and drones were being used to find the plane.The aircraft manufacturer, France-based firm ATR,