 The first was delivered from the UK in June 2011 (registered as JU-9909) with the second arriving in September 2011 (JU-9915).The aircraft were primarily destined to be used on charter flying to mining sites in the Gobi desert and were modified for operations on gravel runways.Both Avros remain in service although only one is now dedicated to the Ulaanbaatar - Oyut Tolgoi route.