The hangar is a prefabricated building developed by the Sidney-Williams Company and erected in Darwin in 1934 for Qantas Empire Airways Ltd in time for the Centenary Air race. It was used by the first Australia-England air service operated by Qantas and Empire Airways and later by the first Adelaide ? Darwin air service operated by Qantas and Guinea Airways. By 1946 the Ross Smith airstrip ceased to be operational and the hangar was used as a mechanical workshop and later a store....