Harford County Airport (0W3), Maryland
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
Harford County Airport (0W3) is a single-runway general aviation field in Churchville, Maryland, roughly 30 nm from the Baltimore metro area. It serves a low volume of business aviation traffic and is not staffed by a control tower.
Runways
Harford County Airport has one paved runway, 01/19, 3,354 ft long and 75 ft wide, with an asphalt surface.
Source: FAA Form 5010.
Fuel and airfield services
Harford County Airport has Jet A and 100LL available on the field. The airport has no control tower.
Source: FAA Form 5010 / NASR.
Customs
Harford County Airport does not clear customs. The nearest port of entry is Phillips Aaf (aberdeen Proving Ground) (KAPG), 6 NM away.
Source: CBP list of ports of entry.
Business aviation traffic
Harford County Airport recorded 247 business aviation movements in 2025. Traffic peaks in May. Business aviation traffic at 0W3 peaks in May, well above the monthly counts seen through the rest of the year.
Business jet movements, FAA TFMSC count. Peak month May, 44 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Climate
Weather station is on the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Operating constraints
Harford County Airport has published operating constraints in three categories: access, runway notes and environmental.
For clearance delivery, contact Potomac Approach.
Use caution for parachute jump and glider operations on the airport.
Pilot-controlled lighting: REIL for runways 01 and 19, PAPI for runways 01 and 19, and MIRL for runway 01/19, all activated on CTAF.
Birds and wildlife are present on and in the vicinity of the airport.
Source: FAA Chart Supplement.
Nearby airfields
Harford County Airport has five airfields within 29 NM. The closest is Phillips Aaf (aberdeen Proving Ground) (KAPG), 6.43 NM south.
Part of the Baltimore area.
Source: Skystar calculation from official coordinates.
Skystar at 0W3
We arrange catering, fuel and trip support here. Supplier prices reach you unchanged; our coordination fee sits on its own line.
The same order, priced two ways.
$600.00 catering order at 0W3.
Unchanged.
What the kitchen invoices us is what your quote reads.
One line, fixed.
The $75 minimum applies below $862.50.
At cost.
Passed on at the exact amount the processor took.
Market practice figures are industry averages, not a specific competitor.
Frequently asked questions
What runway does 0W3 offer?
Harford County Airport (0W3) has a single asphalt runway, 01/19, measuring 3,354 feet long and 75 feet wide. There is no parallel or crosswind runway option at this field.
Is fuel available at Harford County Airport?
Harford County Airport (0W3) stocks both 100LL and Jet A fuel. The field operates under an attendance schedule rather than 24-hour staffing, so fuel availability follows the airport's published hours.
Where is the nearest customs clearance to KAPG for a flight into 0W3?
Harford County Airport (0W3) does not offer onsite customs processing. The nearest customs airport is KAPG, located about 6.43 nm away, which is Phillips Army Airfield at Aberdeen Proving Ground.