The remains of a Taiwanese student pilot, whose plane crashed in Arizona on Thursday, has been found. 

The still-unnamed Taiwanese pilot was flying an F-16 Fighting Falcon on Thursday morning and was in an air-to-air combat training with an instructor when his aircraft crashed at around 8:45 am. The F-16 plane that he was flying solo came from Taiwan.

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The reason for the accident is still under investigation. 

The victim is reported to have been training at the Luke Air Force Base in Arizona for six months. The base is internationally-recognized for its exceptional pilot training for the US Air Force and foreign military services. 

Four hours after the crash, a rescue helicopter from the Yavapai County Sheriff's Office spotted a plume of smoke and alerted the base. Dwight D'Evelyn, a spokesman for the local Sheriff's Office, said in a phone interview with ABC that the crash site was about 5 miles southwest of Bagdad in a very hilly area. 

"The evidence leads me to believe that the pilot did not survive the crash and is therefore presume dead. I have directed the Airmen on the scene at the crash site to transition from search and rescue to recovery operations," Brigadier General Scott Pleus said in a statement. 

The Taiwanese government has already been notified about the accident.

The Luke Air Force Base currently houses F-16 training squadrons from Singapore and Taiwan military. 

"Our thoughts go out to the family, friends, and members of the 21st Fighter Squadron," Pleus said. 

TagsF-16, Taiwan student pilot, Luke Air Force Base, Arizona plane crash