Caravan STC :

CASA Approved increased passenger seating Supplemental Type Certificate No:ASA134SY allows an operator to increase a FAA, Caravan from nine passenger seats to thirteen passenger seats.

CASA-approved increased seating STC on the Cessna Caravan, allows an operator to import a FAA Cessna Caravan and convert an aircraft that was previously restricted to nine passenger seats to operate with 14-seats within Australia