Airport information
- FAA LID
- 0W3
- Coordinates
- 39.5668, -76.2024
- Elevation
- 409 ft MSL
- Magnetic variation
- 11W
- Sectional chart
- WASHINGTON
- Airport use
- Public
- Control tower
- No
- ARTCC
- WASHINGTON (ZDC)
- Flight service (FSS)
- LEESBURG
- NOTAM facility
- DCA
- Attendance
- ALL 1300Z++-DUSK
- Beacon
- white-green (SEE RMK)
- Segmented circle
- No
- Wind indicator
- lighted
- Activated
- 1945/09
- Distance from city
- 3 E
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:05 AM | 09:05Z |
| Sunrise | 05:37 AM | 09:37Z |
| Sunset | 08:36 PM | 00:36Z |
| Evening civil twilight Loggable night begins | 09:08 PM | 01:08Z |
Plan a flight from 0W3
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SEE RMK
- Pilot-controlled lighting
- ACTVT REIL RWY 01 & 19; PAPI RWY 01 & 19; MIRL RWY 01/19 - CTAF. on 122.8 — Chart Supplement ↗
Runway lighting aids — 01: 2-light PAPI (left) · 19: 2-light PAPI (left).
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Traffic pattern
- Landing
- Rwy 01 · 009°
- Pattern
- left (turns left)
- TPA
- 1,400 ft MSL (≈1,000 AGL)
- CTAF
- 122.8
Enter the left downwind for Rwy 01 at 1,400 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 01/19
3,354 ft × 75 ft · Asphalt (Good)- Heading
- 009° mag · 358° true
- Markings
- nonprecision
- VGSI
- 2-light PAPI (left) (3.5°)
- Traffic pattern
- Left
- Approach obstacle
- Pline, 20 ft, 389 ft from threshold, 13 ft L of centerline — 9:1 slope to clear · penetrates the 20:1 visual approach surface
- Displaced threshold
- 251 ft
- Heading
- 189° mag · 178° true
- Markings
- nonprecision
- VGSI
- 2-light PAPI (left) (3.25°)
- Traffic pattern
- Left
| Runway | Length | Your margin |
|---|---|---|
| 01/19 | 3,354 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| A/D | 126.75 | POTOMAC APP/DEP |
| AWOS | 132.725 | |
| UNIC | 122.8 | CTAF/UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| PPM · Phillips | VOR-DME | 108.40 | r355° / 6.2 NM |
| MTN · Martin | TACAN | 134.10 | r045° / 17.2 NM |
| DQO · Dupont | VORTAC | 114.00 | r267° / 28.3 NM |
| BAL · Baltimore | VORTAC | 115.10 | r053° / 31.9 NM |
| MXE · Modena | VORTAC | 113.20 | r238° / 32.4 NM |
| LRP · Lancaster | VORTAC | 117.30 | r182° / 33.5 NM |
| EMI · Westminster | VORTAC | 117.90 | r091° / 36.2 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Fuel available
- 100LL, Jet A
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns
- Other services
- Glider, Instruction, Parachute ops, Rental, Towing
Ownership & management
Remarks FAA
- EXISTED PRIOR TO 1959.
- DUSK-0100.
- BIRDS AND WILDLIFE ON & INVOF ARPT.
- FOR CD CTC POTOMAC APCH AT 866-429-5882.
- CAUTION PAJA AND GLDR OPS ON ARPT.
- ACTVT REIL RWY 01 & 19; PAPI RWY 01 & 19; MIRL RWY 01/19 - CTAF.
Nearby airports
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 0W3 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.
About 0W3
Harford County Airport (0W3) is an airport in Churchville, MD, at 409 ft MSL. It has 1 runway, the longest 3,354 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 0W3, refreshed from the Aviation Weather Center and FAA NASR.
Does 0W3 have a control tower?
No. Harford County Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 0W3?
Harford County Airport has 1 runway; the longest is 3,354 ft. See the Runways tab for headings, surface, and lighting.
Where is 0W3?
Harford County Airport is in Churchville, MD, at an elevation of 409 ft MSL. Coordinates: 39.5668, -76.2024.
Fly out of 0W3 often?
Save 0W3 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.