Hawaiian Airlines
Hawaiian was incorporated as Inter-Island Airways on January 30, 1929.  It gave sightseeing tours over Oahu.  On November 11, 1929, it began flying between Honolulu and Hilo. Inter-Island began flying two Sikorsky S-38  amphibious flying boat. Each carried eight passengers. They added larger Sikorsky S-43s six years later for more passengers and mail service.