Asian Spirit is a small airline in the Philippines that primarily serves secondary and tertiary airports - or hard-to-get-to places in the Philippines. Due to the short runway lengths of these airports Asian Spirit only operates aircraft that are suitable for small fields, such as DHC-7's, LET410's, YS-11's, etcc. It's a popular airline of you want to go to Boracay as it is only one of two airlines that serve the island. Seair is the other.
Its better to be on the ground wishing you were in the air than be in the air wishing you were on the ground. Fly safe!