Lake Country Airport (W11), Wisconsin
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
Lake Country (W11) is a public-use, non-towered airport near Sullivan, Wisconsin, offering one paved and one turf runway. Traffic is light, with fuel service limited to 100LL and no jet fuel available. There is no on-field customs service; the nearest customs airport is KMKE, about 31 nautical miles away.
Runways
Lake Country Airport has two paved and unpaved runways. The longest, 06/24, is 4,558 ft long and 50 ft wide, with an asphalt surface.
Runways are listed longest first.
Source: FAA Form 5010.
Fuel and airfield services
Lake Country Airport has 100LL available on the field. Fueling is available from 9am to 5pm, daily, and the airport has no control tower.
Source: FAA Form 5010 / NASR.
Customs
Lake Country Airport does not clear customs. The nearest port of entry is General Mitchell International (KMKE), 31 NM away.
Source: CBP list of ports of entry.
Business aviation traffic
Lake Country Airport recorded 4 business aviation movements in 2025. Traffic peaks in October and November. Recorded business aviation traffic at W11 is concentrated in October and November, with no bizav operations logged from May through September.
Business jet movements, FAA TFMSC count. Peak month October, 2 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Climate
Lake Country Airport averages 4.4 days above 90°F in July, 29.8 freeze days in January and 3.9 snow days in January. July is the warmest month, with average highs of 82.1°F, and January the coldest, at 26.9°F.
Weather station is 3.4 NM from the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Operating constraints
Lake Country Airport has published operating constraints in three categories: runway notes, environmental and other notes.
Activate the low-intensity runway lights for runway 06/24 with three clicks on CTAF.
20-foot trees are located 85 feet from the runway end, on centerline.
30-foot trees are located 170 feet from the runway end, 30 feet right; 15-foot brush is located 30 feet from the runway end, 60 feet left.
The runway is marked with yellow cones.
The approach ratio is 20:1 to the displaced threshold.
Deer are present on and in the vicinity of the airport.
For clearance delivery, contact Chicago ARTCC.
Source: FAA Chart Supplement.
Nearby airfields
Lake Country Airport has five airfields within 23 NM. The closest is Watertown Municipal (KRYV), 11.04 NM northwest.
Part of the Milwaukee and Madison area.
Source: Skystar calculation from official coordinates.
Skystar at W11
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 W11.
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 runways are available at W11?
Lake Country (W11) has two runways: 06/24, a paved 4,558-foot by 50-foot asphalt strip, and 18/36, a 2,300-foot by 70-foot turf runway. Neither runway supports jet fuel, as the field carries 100LL only.
Is fuel available at Lake Country Airport?
Lake Country Airport (W11) stocks 100LL only; no Jet A is available on the field. Pilots requiring jet fuel need to plan a stop elsewhere.
Are there obstacles near the runway at W11?
Yes, close-in obstructions are reported at Lake Country (W11): 20-foot trees 85 feet from the runway end on centerline, plus 30-foot trees and 15-foot brush near the opposite end. The approach ratio to the displaced threshold is published as 20:1.