31WI — Oslo Corners Airport, Iola, WI

Non-ToweredIola, WI • 1,002' MSL

31WI WeatherLive METAR & TAF

31WI has 1 runway. The longest is 9/27 at 716 ft × 30 ft (turf).

9/27No runway lights716 ft × 30 ftTurf

FAA NASR data, cycle 2026-09-03

31WI field elevation is 1,002 ft MSL. The standard traffic pattern altitude at 31WI is 2,000 ft MSL (1,000 ft AGL).

Field elevation1,002 ft MSL

Pattern altitude2,000 ft MSL1,000 ft AGL · standard

Control towerNon-towered

FAA NASR data, cycle 2026-09-03

CTAF 122.9 MHz — 31WI is non-towered; self-announce position and intentions on CTAF.

CTAF122.9

Check 31WI against your personal minimums, plan a route to it, and see the best runway for the current wind — free.

No, 31WI is a non-towered airport. The CTAF frequency is 122.9 MHz.

31WI has 1 runway (9/27). The longest runway is 716 feet.

31WI uses the standard traffic pattern altitude of 1,000 feet AGL — about 2,000 feet MSL at a field elevation of 1,002 feet.

31WI (Oslo Corners Airport) has a field elevation of 1,002 feet MSL.

31WI (Oslo Corners Airport) is located in Iola, WI.