KHEF Washington Manassas Harry P. Davis Field
Washington Manassas Harry P. Davis Field (MNZ) is a towered general-aviation airport in Manassas, Virginia, at 192 ft elevation, with 2 runways: 16L/34R (6,200 ft), 16R/34L (3,715 ft). Below: the current METAR and TAF decoded in plain English, runway wind components, frequencies, and the FAA terminal procedures for d-TPP 2611 (Oct 29, 2026 – Nov 26, 2026).
| Identifiers | ICAO KHEF · FAA HEF · IATA MNZ |
|---|---|
| Location | Manassas, VA · 38.7230, -77.5154 |
| Elevation | 192 ft MSL (59 m) |
| Tower | 133.1 MHz |
| ATIS | 125.175 MHz |
| FAA charts | 29 in d-TPP 2611 (Oct 29, 2026 – Nov 26, 2026) |
KHEF METAR and TAF
METAR KHEF 010456Z AUTO 00000KT 10SM CLR 09/07 A3050 RMK AO2 SLP336 T00890072 $| Wind | Calm |
|---|---|
| Visibility | 10 statute miles or more |
| Weather | None reported |
| Clouds | Clear below 12,000 ft (automated) |
| Temperature / dew point | 9°C (48°F) / 7°C (45°F) · spread 2°C — fog or low cloud possible |
| Altimeter | 30.50 inHg (1033 hPa) |
| Flight category | VFR — ceiling above 3,000 ft and visibility above 5 SM |
Remarks: AO2: automated station with a precipitation sensor · SLP336: sea-level pressure 1033.6 hPa · T00890072: temperature 8.9°C, dew point 7.2°C · $: the station needs maintenance
KHEF does not issue a TAF. Check the TAF of the nearest larger airport, or an area forecast in an official briefing.
Source: NOAA Aviation Weather Center (aviationweather.gov). Times are UTC (Z). Decoded for learning — get an official weather briefing before flight.
Runways
| Runway | Length × width | Surface | Lighted |
|---|---|---|---|
| 16L / 34R | 6,200 × 100 ft | asphalt | Yes |
| 16R / 34L | 3,715 × 75 ft | asphalt | Yes |
Frequencies
| Service | Name | MHz |
|---|---|---|
| Approach / departure | POTOMAC APP/DEP | 128.525 |
| ATIS | 125.175 | |
| AWOS | KHWY AWOS-3 (12nm SW) | 120.35 |
| Clearance delivery | POTOMAC CLNC DEL | 120.2 |
| CTAF | 133.1 | |
| Ground | 121.8 | |
| Tower | 133.1 |
Runways and frequencies: OurAirports (public domain) — they can change. Check the FAA Chart Supplement for KHEF before you fly.
FAA charts for KHEF — d-TPP 2611
29 charts effective Oct 29, 2026 09:01Z until Nov 26, 2026 09:01Z. Each link opens the original FAA PDF (aeronav.faa.gov).
Airport diagram 1
- AIRPORT DIAGRAMRevised this cycle
Instrument approach procedures 5
- ILS OR LOC RWY 16LRevised this cycle
- RNAV (GPS) RWY 16LRevised this cycle
- RNAV (GPS) RWY 16RRevised this cycle
- RNAV (GPS) RWY 34LRevised this cycle
- RNAV (GPS) RWY 34RRevised this cycle
Departure procedures (DP / ODP) 6
Arrivals (STAR) 15
Minimums, hot spots and notices 2
KHEF on the FAA d-TPP search · Chart Supplement
KHEF charts and weather, offline in the cockpit
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Nearby airports
- KIAD Washington Dulles International Airport 14 nm
- KDCA Ronald Reagan Washington National Airport 24 nm
- KFDK Frederick Municipal Airport 42 nm
- KMRB Eastern WV Regional Airport/Shepherd Field 46 nm
- KBWI Baltimore/Washington International Thurgood Marshall Airport 48 nm
- KMTN Martin State Airport 63 nm
All 274 US airports · E6B flight computer · Weight & balance
Charts: FAA digital Terminal Procedures Publication (d-TPP), public domain — linked unmodified, not hosted here. Airport data: OurAirports (public domain). Weather: NOAA Aviation Weather Center.
For practice and reference only — not for navigation or flight planning. Always check current official sources (FAA charts, Chart Supplement, NOTAMs, an official weather briefing). The pilot in command is responsible for the flight.