[1] Royale operated scheduled passenger flights in Louisiana, Texas, Mississippi, Tennessee and Florida from 1962 to 1989.Royale also flew two Douglas DC-9-14 jetliners on services from Houston Intercontinental Airport (IAH) primarily to Brownsville, Texas (BRO) on behalf of Continental Airlines.For a short period between 1985 and 1986 Royale operated de Havilland Canada DHC-6 Twin Otter aircraft acquired from Metro Airlines which had moved its operations to the Dallas-Fort Worth Metroplex in Texas and also to Atlanta, Georgia.These Twin Otter STOL (Short Take Off and Landing) turboprop aircraft were primarily utilized to shuttle passengers between the Clear Lake City STOLport, which was located near the NASA Johnson Space Center, and Houston Intercontinental Airport (now George Bush Intercontinental Airport).[3] Royale Airlines served the following destinations at various times during its existence:[4][5] The airline encountered financial difficulties and then ceased operations during the late 1980s when its Chapter 11 bankruptcy filing of 1987 was changed to Chapter 7 bankruptcy in February 1989.