Luke F-16 crashes Published May 20, 2004 LUKE AIR FORCE BASE, Ariz. (AFPN) -- A Singapore pilot assigned to the 56th Fighter Wing here was killed when his F-16 Fighting Falcon crashed May 19. Singapore air force Lieutenant Brandon Loo was on a night training mission in the Sells Military Operating Area south of the Barry M. Goldwater Range when the crash occurred.The Singapore air force trains F-16 pilots here as part of an agreement with the United States. A board of officers will investigate the accident.