Private Jet, a Learjet 35A, is Still Missing Airline : Private Jet, a Learjet 35A, Call Sign : 4R- UGC Aircraft : Learjet 35A Status : Missing So far Crew : Cockpit Crew 02 Cabin Crew 01 Captain : Capt. Noel Anandappa, Co-Pilot : Capt Sydney Soysa, Date : Februrary 13, 1983 Similar Mystery in 1983.. On Februrary 13, 1983, A Private Jet, a Learjet 35A, Took Off from Kuala Lumpur [Malaysia] at 2041 Hrs , bound for Colombo Sri Lanka]. On board Mr Upali Wijewardene the Richest Man of Srilanka (Malaysian lawyer S.M. Ratnam, Upali Group Director Ananda Peli Muhandiram, Pilot Capt. Noel Anandappa, Co-Pilot Capt Sydney Soysa, and steward S. Senenakye. Fifteen minutes later, the Aircraft disappeared while flying over the Straits of Malacca. Extensive search operation by Air and Naval units of Sri Lanka, India, United States, Soviet Union, Australia, Indonesia, and Malaysia failed to locate any evidence of a crash.