Complex sentence: In 1986, the company changed its name to just Gulf Air, but because of confusion with Bahrain-based Gulf Air, the airline was then forced to change its name to Trans Ocean Airways.
Split into simpler sentences: In 1986, the company changed its name to just Gulf Air. However, because of the similarity of this name with Bahrain-based Gulf Air, the airline was then forced to change its name to Trans Ocean Airways.