The Boeing CH-47 Chinook is an American twin-engine, tandem-rotor, heavy-lift helicopter developed by American rotorcraft company Vertol and manufactured by Boeing Vertol (later known as Boeing Rotorcraft Systems).
HMS Blanche (H47) was a built for the Royal Navy around 1930.
HMS H47 was a British H class submarine built by William Beardmore and Company, Dalmuir.
Hyampom Airport is a county-owned public-use airport and residential airpark located one mile (2 km) northwest of the central business district of Hyampom, a town in Trinity County, California, United States, and bordering the South Fork Trinity River on its west side.
ICD-10 is an international statistical classification used in health care and related industries.