What happened
On December 7, 1999, Asian Spirit Flight 100 departed from Ninoy Aquino International Airport in Manila, Philippines. The aircraft was a Let L-410 Turbolet registered as RP-C3325, carrying 15 passengers and two crew members on a domestic flight to Cauayan, Isabela.
During the journey, the aircraft deviated from its intended path and collided with a mountainside located between the municipalities of Kasibu in Nueva Vizcaya and Cabarroguis in Quirino. The impact resulted in the immediate destruction of the plane. There were no survivors; all 17 individuals on board perished in the accident.
Investigation
The source material does not provide specific details regarding the investigative procedures, findings, or causal conclusions established by authorities following the crash.