IA21 — Knight Field, Berkley, IA

Non-ToweredBerkley, IA • 989' MSL

IA21 WeatherLive METAR & TAF

IA21 has 1 runway. The longest is 18/36 at 2,000 ft × 50 ft (turf).

18/36No runway lights · Right traffic 182,000 ft × 50 ftTurf

FAA NASR data, cycle 2026-09-03

IA21 field elevation is 989 ft MSL. The standard traffic pattern altitude at IA21 is 1,990 ft MSL (1,000 ft AGL).

Field elevation989 ft MSL

Pattern altitude1,990 ft MSL1,000 ft AGL · standard

Control towerNon-towered

FAA NASR data, cycle 2026-09-03

Check IA21 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.

No, IA21 is a non-towered airport.

IA21 has 1 runway (18/36). The longest runway is 2,000 feet.

IA21 uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,990 feet MSL at a field elevation of 989 feet.

IA21 (Knight Field) has a field elevation of 989 feet MSL.

IA21 (Knight Field) is located in Berkley, IA.