Ephraim / Gibraltar Airport (3D2), Wisconsin
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
Ephraim / Gibraltar (3D2) is a public-use general aviation airport in Ephraim, Wisconsin, attended seasonally on weekends and Friday afternoons from June through October. Cross-border traffic seen by the FAA remained light in 2025, with business aviation operations concentrated in the summer months.
Runways
Ephraim / Gibraltar Airport has two paved and unpaved runways. The longest, 14/32, is 2,697 ft long and 60 ft wide, with an asphalt surface.
Runways are listed longest first.
Source: FAA Form 5010.
Fuel and airfield services
Ephraim / Gibraltar Airport has 100LL available on the field. The airport has no control tower.
Source: FAA Form 5010 / NASR.
Customs
Ephraim / Gibraltar Airport does not clear customs. The nearest port of entry is Green Bay / Austin Straubel International (KGRB), 56 NM away.
Source: CBP list of ports of entry.
Business aviation traffic
Ephraim / Gibraltar Airport recorded 229 business aviation movements in 2025. Traffic peaks in July and August. Business aviation traffic at 3D2 peaks in July and August, with minimal activity in the winter months.
Business jet movements, FAA TFMSC count. Peak month July, 48 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Climate
Ephraim / Gibraltar Airport averages 1.0 days above 90°F in July, 30.2 freeze days in January and 5.0 snow days in January. July is the warmest month, with average highs of 79.6°F, and January the coldest, at 26.7°F.
Weather station is 2.6 NM from the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Operating constraints
Ephraim / Gibraltar Airport has published operating constraints in four categories: access, runway notes, environmental and other notes.
For clearance delivery, contact Green Bay Approach; when Green Bay Approach is closed, contact Minneapolis ARTCC for clearance delivery.
MIRL Runway 14/32 is preset to low intensity from sunset to sunrise; intensity can be increased and the PAPI activated for Runway 14 and 32; MIRL Runway 14/32 is controlled via CTAF.
Deer near movement areas.
24-hour self-service fuel is available with a credit card.
Marked with yellow cones.
Slopes moderately down to the south; one end cannot be seen from the other.
Source: FAA Chart Supplement.
Nearby airfields
Ephraim / Gibraltar Airport has three airfields within 36 NM. The closest is Menominee Regional (KMNM), 19.09 NM west.
Source: Skystar calculation from official coordinates.
Skystar at 3D2
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 3D2.
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
Is fuel available at 3D2 (Ephraim / Gibraltar)?
3D2 offers self-service 100LL fuel accessible 24 hours a day with a credit card. No Jet A is available at this field, so turbine operators should plan fuel stops accordingly.
What runways does Ephraim / Gibraltar Airport (3D2) have?
3D2 has two runways: 14/32, a 2,697-foot paved asphalt strip, and 01/19, a 1,941-foot turf runway. Runway 14/32 slopes moderately down to the south, and one end cannot be seen from the other.
Is customs available at Ephraim / Gibraltar Airport (3D2)?
3D2 has no onsite customs service. The nearest customs airport is KGRB, located about 56 nautical miles away.