"HN" . . . . . "NLM CityHopper full name Nederlandse Luchtvaart Maatschappij (Dutch Aviation Company), was a Dutch commuter airline, founded in 1966. Its head office was in Building 70 in Schiphol Airport East in Haarlemmermeer, Netherlands."@en . . "1966-08-29Z"^^ . . "1991-03-31Z"^^ . "NLM CityHopper"@en . . "NLM" .