Hererat Aviation is an Airline company in Lost based in Miami. its livery and fleet are unknown, besides a possible Learjet. "Herarat" is an anagram of "Earhart;" Amelia Earhart was the aviator who disappeared somewhere over the Pacific in 1937. However, it has not been established if this anagram was intended by the producers. Also The logo for Herarat Aviation resembles a triple Nike swoosh.
Unknown, possibly learjet.