All 4 grounded in 2020 due to sub-standard performance and high operating costs. Nepal Airways Air Eagle Helitours Real Tonga - 1 in service with 1 on order July 2016. Airlines Tonga Uganda Air Cargo (2) Accidents and incidents On 13 December 1993, a Lao Aviation (now Lao Airlines) Y-12-II, registration RDPL-34117, clipped trees in fog and crashed at Phonsavan, Laos, killing all 18 on board. On 4 April 1995, a TANS Y-12-II, registration 333/OB-1498, crashed shortly after takeoff from Iquitos Airport, Peru, killing all three on board. On 21 June 1996, a China Flying Dragon Aviation Y-12-II, registration B-3822, crashed into a mountain near Changhai Airport after the crew began the final approach too early and deviated from the intended course, killing two of 12 on board. On 20 January 1997, a Sri Lanka Air Force Y-12-II, CR851, crashed off Palali Air Base while on a surveillance mission, killing all four on board. On 10 June 1997, a MIAT Mongolian Airlines Y-12-II, registration JU-1020, crashed at Mandalgobi Airport due to windshear, killing seven of 12 on board. On 26 May 1998, a MIAT Mongolian Airlines Y-12-II, registration JU-1017, crashed into a mountain near Galt, Mongolia, en route to Tosontsengel due to heavy icing, wing de-ice system fault and overloading, killing all 28 on board; this crash is the worst ever accident involving the Y-12. On 19 October 2000, Lao Aviation Flight 703 crashed in a mountainous area in bad weather while on approach to Sam Neua, killing eight of 15 passengers; both pilots survived. On 18 May 2005, a Zambia Air Force Y-12-II, AF-216, crashed shortly after takeoff from Mongu Airport, killing all 13 on board. On 10 April 2006, a Kenya Air Force (KAF) Y-12-II, 132, struck the side of Mount Marsabit, killing 14 of 17 on board. On 15 June 2008, a China Flying Dragon Aviation Y-12-II, registration B-3841, struck a small hill during a survey flight for a new aluminum mine, killing three of four on board. On 12 July 2012, a Y-12-II of the Mauritanian Air Force crashed while transporting gold, killing all 7 occupants. On 12 May 2014, a Y-12-II of the Kenyan Air Force crashed in El Wak, Kenya. The airplane operated on a flight from Mandera to Nairobi with stops at El Wak and Garissa. Preliminary information suggests that one pilot was killed and the remaining eleven occupants were injured. On 26