KHEF is the ICAO code for Manassas Regional Airport/Harry P. Davis Field (IATA MNZ), located in Manassas, VA.
Manassas Regional Airport – also known as Harry P. Davis Field – is a public airport located in Manassas, Virginia, 28 miles (45 km) west-southwest of Washington, D.C. Previously known as Manassas Regional Airport, the airport is undergoing major reconstruction, and is slated to begin commercial passenger flight operations in Spring 2027 as the fourth commercial airport servicing the Washington Metropolitan area.
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