National Harbor Heliport HeliportPrivate
77MD · Oxon Hill, MD · Non-towered
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-07 · night begins 08:42 PM
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:45 AM | 09:45Z |
| Sunrise | 06:14 AM | 10:14Z |
| Sunset | 08:13 PM | 00:13Z |
| Evening civil twilight Loggable night begins | 08:42 PM | 00:42Z |
Plan a flight from 77MD
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
Airspace hazards
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Runways
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| H1/H1 | 60 ft |
Prefer one flat page? Full runway details for 77MD → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 77MD kneeboard →
Comms & NavAids
Nearby navigation aids
DCA 111.00 · ADW 113.10 · OTT 113.70 · +3
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| DCA · Washington | VOR/DME | 111.00 · 47X | Low | r173° / 4.1 NM |
| ADW · Andrews | VORTAC | 113.10 · 78X | Low | r273° / 6.9 NM |
| OTT · Nottingham | TACAN | 113.70 · 84X | — | r303° / 13.6 NM |
| AML · Armel | VOR/DME | 113.50 · 82X | Low | r120° / 22.9 NM |
| BAL · Baltimore | VORTAC | 115.10 · 98X | Low | r227° / 28 NM |
| BRV · Brooke | VORTAC | 114.50 · 92X | Low | r039° / 31.8 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for 77MD — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 77MD
- Coordinates
- 38.7937, -77.0121
- Elevation
- 50 ft MSL
- Sectional chart
- WASHINGTON
- Airport use
- Private
- Control tower
- No
- ARTCC
- WASHINGTON (ZDC)
- Flight service (FSS)
- LEESBURG · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- lighted
- Activated
- 2017/09
- Distance from city
- 1 WSW
Ownership & management 2 contacts
Remarks FAA · 1 notes
General
- FOR CD CTC WASHINGTON ARTCC AT 703-771-3587.
Nearby airports
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Also nearby: 5DC3 Cedar Hill Regional Medical Center Helipad (private) (4 NM) · NDV Anacostia USN Heliport (4 NM) · VKX Potomac Airfield (4 NM) · MD72 Adventist HealthCare Fort Washington Medical Center Heliport (private) (4 NM) · VA82 Inova Mount Vernon Hospital Heliport (private) (4 NM)
About 77MD
National Harbor Heliport (77MD) is a heliport in Oxon Hill, MD, at 50 ft MSL. It has 1 runway, the longest 60 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 77MD, refreshed from the Aviation Weather Center and FAA NASR.
Does 77MD have a control tower?
No. National Harbor Heliport is a non-towered (pilot-controlled) heliport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 77MD?
National Harbor Heliport has 1 runway; the longest is 60 ft. See the Runways section for headings, surface, and lighting.
Where is 77MD?
National Harbor Heliport is in Oxon Hill, MD, at an elevation of 50 ft MSL. Coordinates: 38.7937, -77.0121.
Fly out of 77MD often?
Save 77MD as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 77MD in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.