EGWU is located in Greater London

RAF Northolt (IATA: NHT, ICAO: EGWU) is a Royal Air Force station in South Ruislip, 2 nautical miles (3.7 km; 2.3 mi) from Uxbridge in the London Borough of Hillingdon, west London. Approximately 6 mi (10 km) north of London Heathrow Airport, the station also handles a large number of private civil flights.^[2] Northolt has one runway in operation, spanning 1,687 m × 46 m (5,535 ft × 151 ft), with a grooved asphalt surface.^[1]

• http://en.wikipedia.org/wiki/RAF Northolt