| Cable Union Airport | |
| Faa: | 3CU |
| Type: | Public |
| Owner: | Town of Cable |
| City-Served: | Cable, Wisconsin |
| Timezone: | CST |
| Summer: | CDT |
| Elevation-F: | 1360 |
| Coordinates: | 46.195°N -91.2483°W |
| Pushpin Map: | USA Wisconsin#USA |
| Pushpin Relief: | yes |
| Pushpin Map Caption: | Location of airport in Wisconsin |
| Pushpin Label: | 3CU |
| Pushpin Label Position: | bottom |
| R1-Number: | 17/35 |
| R1-Length-F: | 3,709 |
| R1-Surface: | Asphalt |
| R2-Number: | 8/26 |
| R2-Length-F: | 2,194 |
| R2-Surface: | Turf |
| Stat1-Header: | Aircraft operations (2024) |
| Stat1-Data: | 5,510 |
| Stat2-Header: | Based aircraft (2024) |
| Stat2-Data: | 7 |
| Footnotes: | Source: Federal Aviation Administration[1] [2] [3] |
Cable Union Airport is a city owned public use airport located 2 miles (3 km) southeast of the central business district of Cable, Wisconsin, a town in Bayfield County, Wisconsin, United States. It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2025–2029, in which it is categorized as a basic general aviation facility.[4]
Although most airports in the United States use the same three-letter location identifier for the FAA and International Air Transport Association (IATA), this airport is assigned 3CU by the FAA but has no designation from the IATA.
Cable Union Airport covers an area of 218 acres (88 ha) at an elevation of 1,360 feet (415 m) above mean sea level. It has two runways: 17/35 is 3,709 by 75 feet (1,131 x 23 m) with an asphalt surface and 8/26 is 2,194 by 150 feet (669 x 46 m) with a turf surface.
For the 12-month period ending June 20, 2024, the airport had 5,510 aircraft operations, an average of 15 per day: 90% general aviation, 10% air taxi and less than 1% military.In August 2024, there were 7 aircraft based at this airport: 5 single-engine and 2 multi-engine.