Cable Union Airport (3CU), Wisconsin
Landing essentials
Whether you can land, whether you can refuel, and how customs works here.
Overview
Cable Union Airport (3CU) is a small, unattended public-use field in Cable, Wisconsin, serving low volumes of business aviation traffic. The airport offers a single paved runway alongside a seasonal turf strip, with fuel limited to self-service 100LL.
Runways
Cable Union Airport has two paved and unpaved runways. The longest, 17/35, is 3,709 ft long and 75 ft wide, with an asphalt surface.
Runways are listed longest first.
Source: FAA Form 5010.
Fuel and airfield services
Cable Union Airport has 100LL available on the field. The airport has no control tower.
Source: FAA Form 5010 / NASR.
Customs
Cable Union Airport does not clear customs. The nearest port of entry is Sky Harbor (KDYT), 46 NM away.
Source: CBP list of ports of entry.
Business aviation traffic
Cable Union Airport recorded 247 business aviation movements in 2025. Traffic peaks in August. Business aviation traffic at Cable Union Airport (3CU) concentrates in the May-through-October period, according to FAA TFMSC data, with the lightest activity from December through March.
Business jet movements, FAA TFMSC count. Peak month August, 49 movements in 2025.
Source: FAA TFMSC, business jet movements, 2025.
Climate
Weather station is 7.5 NM from the field. Some values are estimated by the agency. 1991–2020 climate normals.
Source: NOAA NCEI.
Operating constraints
Cable Union Airport has published operating constraints in three categories: runway notes, environmental and other notes.
Runway 08/26 is closed from November 21 through May 1.
MIRL runway 17/35 lighting is preset to low intensity from sunset to sunrise; to increase intensity and activate, use CTAF.
Runway 08/26 is marked with yellow cones.
Approach ratio is 20:1 to the displaced threshold.
Approach ratio is 12:1 to the displaced threshold; 40-foot trees are located 431 feet from the displaced threshold, 220 feet right.
Runway conditions are not reported.
Frequent wildlife is present on and in the vicinity of the airport.
24-hour self-service fuel is available with credit card.
Taxiway lights are located at the taxiway entrance only.
Plug-in power is available. No heating units are available to start aircraft.
For clearance delivery, contact Minneapolis ARTCC.
Source: FAA Chart Supplement.
Nearby airfields
Cable Union Airport has five airfields within 44 NM. The closest is Sawyer County (KHYR), 13.05 NM southwest.
Source: Skystar calculation from official coordinates.
Skystar at 3CU
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 3CU.
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 jet fuel available at Cable Union Airport (3CU)?
Cable Union Airport (3CU) stocks only 100LL avgas; no Jet A is available. Self-service fuel operates on a 24-hour basis with credit card payment, and the field itself is unattended.
Can I use both runways at 3CU year-round?
No. Cable Union's paved runway 17/35 (3709 ft) is available year-round, but the turf runway 08/26 (2194 ft) closes from November 21 through May 1 each year.
Where is customs handled for arrivals at Cable Union?
Cable Union Airport (3CU) has no onsite customs processing. The nearest customs facility is at KDYT, located approximately 45.67 nautical miles away.