High Quality Content by WIKIPEDIA articles! The Fairchild Hiller FH-1100 is a single-engine, single two-bladed rotor, light helicopter which began as a design entry into United States Army`s Light Observation Helicopter program. The Hiller Model 1100 was not selected but after Hiller Aircraft was purchased by Fairchild Stratos in 1964, the Model 1100 was successful marketed as a civilian helicopter, the FH-1100. The type certificate is now held by the FH1100 Manufacturing Corporation of Century, Florida.