Asian One Air, formerly known asPT Mimika Air andGT Air (Germania Trisila Air)^[1][2] is acharter airline based inJakarta,Indonesia. It was established in 1998 and operates charter services forDjayanti, an Indonesian forestry company. Its main base isHalim Perdanakusuma Airport, Jakarta.

GT Air was established in 1998.^[3] Its official name is Germania Trisila Air.^[4] From November 2004^[5] to mid-2006,^[6] GT Air operated scheduled flights betweenDenpasar (Bali) andLombok.

In 2006, aDHC-6 Twin Otter was chartered to transport aid workers toAceh andNorth Sumatra provinces in the aftermath of the2004 Indian Ocean earthquake.^[7] In July 2007, theDirectorate General of Civil Aviation revoked the air operator's certificate of Germania Trisila Air, along with another eight Indonesian airlines, citing safety concerns.^[8]

In 2019 the airline was rebranded asAsian One Air.^[2]

As of August 2006, the Asian One Air fleet comprised the following aircraft:^[9]

• On 23 February 2005,DHC-6 Twin Otter PK-LTY of GT Air struck a fence on landing atEnarotali Airport on a flight fromTimika.^[10]
• On 12 April 2005, DHC-6 Twin Otter PK-LTZ of GT Air crashed nearEnarotali while on a scheduled passenger flight from Timika to Enarotali. The wreckage was not discovered until 17 April. All three crew and fourteen passengers were killed.^[11]
• On 17 April 2009,Mimika Air Flight 514, operated byPilatus PC-6 PK-LTJ crashed intoMount Gergaji,Papua, killing all ten people on board.