Airport
Knoop Airport
US-7912 · closed
Latitude42.9710
Longitude-92.9950
MunicipalityMarble Rock
RegionUS-IA · US
Elevation1086 ft
Codes
Nearest cities
Rockwell16.1 km
Greene17.8 km
Nora Springs19.1 km
Sheffield19.9 km
Mason City26.3 km
Charles City28.3 km
Allison29.2 km
Hampton30.6 km
Runways
No runway data available.
Frequencies
No frequency data available.
Nearby navaids
Chukk · NDB28.2 km
Surff · NDB28.5 km
Mason City · VORTAC30.5 km
Hampton · NDB33.1 km
Price · NDB55.4 km
Forest City · NDB58.7 km
Iowa Falls · NDB59.3 km
Waterloo · VORTAC67.0 km