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The Pilots Desk
Medium airport

Washington Manassas Harry P. Davis Field

IATA MNZICAO KHEFLocal HEF🇺🇸 Manassas
Coordinates
38.7230°N, 77.5154°W
Elevation
192 ft (59 m)
Type
Medium airport
Region
US-VA
Time zone
New York(UTC-04:00)
Magnetic variation
10.4° W

Daylight today(Sep 5, 2026, local time)

Civil dawn
06:16
Sunrise
06:43
Sunset
19:38
Civil dusk
20:05

About 12h 55m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.

About Washington Manassas Harry P. Davis Field

Washington Manassas Harry P. Davis Field

Manassas Regional Airport – now known as Washington Manassas Airport and also 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.

Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.

Live weather

KHEF
Checking for pilot reports…

NOTAMs

KHEF

Reference only — not an official briefing. Always obtain a certified briefing (e.g. 1800wxbrief.com / your AIS) before flight.

NOTAM data via the FAA NOTAM system.

Live departures & arrivals

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Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.

Where you can fly from here

Loading current routes…

Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.

Live traffic nearby

Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.

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Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.

Map

Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.

Runways (2)

RunwayLengthWidthSurfaceLightingStatus
16L / 34R6,200 ft / 1,890 m100 ftAspLightedOpen
16R / 34L3,715 ft / 1,132 m75 ftAspLightedOpen

Radio frequencies (7)

TypeDescriptionFrequency
A/DPOTOMAC APP/DEP128.525 MHz
ATISATIS125.175 MHz
AWOSKHWY AWOS-3 (12nm SW)120.350 MHz
CLDPOTOMAC CLNC DEL120.200 MHz
CTAFCTAF133.100 MHz
GNDGND121.800 MHz
TWRTWR133.100 MHz

Instrument procedures & charts

Cycle 2609 · effective Sep 3, 2026 – Oct 1, 2026 Not for navigation — confirm currency on the official FAA source.

Showing 15 of 29 FAA procedures on this overview. Always fly the current, official chart. Full charts page.

Airspace in this area(4)

NameClassTypeFloorCeiling
WASHINGTON-TRI AREA CLASS B AREA CClass BControlled2500 ft MSL10000 ft MSL
MANASSAS CLASS DClass DControlledGND2000 ft MSL
MANASSAS CLASS E2Class EControlledGND2000 ft MSL
WASHINGTON DC SFRA ADIZSpecial useRestrictedGND17999 ft MSL

Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.

Tall obstacles nearby

ObstacleHeight AGLTop (MSL)Lit
Obstacle453 ft

Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.

Nearby airports

Great-circle distance and true bearing from Washington Manassas Harry P. Davis Field.

Official site Wikipedia Live ATC audio Live tracking (FR24) Open in Maps
🇺🇸 More airports in United States📘 Flying in the United States: a pilot's guide

Frequently asked questions

What is the ICAO code for Washington Manassas Harry P. Davis Field?

The ICAO code for Washington Manassas Harry P. Davis Field is KHEF, and its IATA code is MNZ.

Where is Washington Manassas Harry P. Davis Field located?

Washington Manassas Harry P. Davis Field is medium airport located in Manassas, United States, at an elevation of 192 ft (59 m).

How many runways does Washington Manassas Harry P. Davis Field have?

Washington Manassas Harry P. Davis Field has 2 runways, the longest being 6,200 ft / 1,890 m.

What time zone is Washington Manassas Harry P. Davis Field in?

Washington Manassas Harry P. Davis Field is in the America/New York time zone (UTC-04:00).

What is the magnetic variation at Washington Manassas Harry P. Davis Field?

The magnetic variation (declination) at Washington Manassas Harry P. Davis Field is approximately 10.4° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near Washington Manassas Harry P. Davis Field?

The nearest airport to Washington Manassas Harry P. Davis Field is Valley View Airport (VA87), about 2.4 nm to the sw, followed by Skyview Airport and Breeden Airport.

Is the information on this page suitable for flight planning?

No. Washington Manassas Harry P. Davis Field data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.