Catoctin Crosswind Airport Private
4MD7 · Thurmont, MD · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 08:49 PM
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:41 AM | 09:41Z |
| Sunrise | 06:11 AM | 10:11Z |
| Sunset | 08:19 PM | 00:19Z |
| Evening civil twilight Loggable night begins | 08:49 PM | 00:49Z |
Plan a flight from 4MD7
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 23LEFT traffic
- Heading
- 230° true
- Dimensions
- 1,600 × 100 ft
- TPA
- 1,500 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
Enter the left downwind (heading 050°) on the 45° at 1,500 ft MSL (≈1,000 AGL).
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
Headings shown are true (magnetic variation unavailable).
| Runway | Length | Your margin |
|---|---|---|
| 05/23 | 1,600 ft |
Prefer one flat page? Full runway details for 4MD7 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 4MD7 kneeboard →
Comms & NavAids
Nearby navigation aids
FDK 116.85 · EMI 117.90 · HGR 109.80 · +2
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| FDK · Frederick | VOR/DME | 116.85 · 115Y | Low | r009° / 14 NM |
| EMI · Westminster | VORTAC | 117.90 · 126X | High | r305° / 20.1 NM |
| HGR · Hagerstown | VOR | 109.80 | Low | r105° / 22.8 NM |
| MRB · Martinsburg | VORTAC | 112.10 · 58X | Low | r062° / 27.2 NM |
| THS · St Thomas | TACAN | 115.00 · 97X | — | r130° / 32 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for 4MD7 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 4MD7
- Coordinates
- 39.6453, -77.3678
- Elevation
- 451 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
- yes
- Activated
- 2007/10
- Distance from city
- 4 NE
Ownership & management 2 contacts
Remarks FAA · 1 notes
General
- FOR CD CTC POTOMAC APCH AT 866-709-4993.
Nearby airports
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Also nearby: MD12 Bell Airport (private) (4 NM) · MD42 Keymar Airpark (private) (7 NM) · W73 Mid Atlantic Soaring Center Airport (7 NM) · 3PN2 Karlindo Airport (private) (7 NM) · 67MD Willows Landing (private) (8 NM) · 6MD3 Harp Airport (private) (9 NM)
About 4MD7
Catoctin Crosswind Airport (4MD7) is an airport in Thurmont, MD, at 451 ft MSL. It has 1 runway, the longest 1,600 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 4MD7, refreshed from the Aviation Weather Center and FAA NASR.
Does 4MD7 have a control tower?
No. Catoctin Crosswind Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 4MD7?
Catoctin Crosswind Airport has 1 runway; the longest is 1,600 ft. See the Runways section for headings, surface, and lighting.
Where is 4MD7?
Catoctin Crosswind Airport is in Thurmont, MD, at an elevation of 451 ft MSL. Coordinates: 39.6453, -77.3678.
Fly out of 4MD7 often?
Save 4MD7 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 4MD7 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.