by Justin Hetland Airspace Engineering Specialist WisDOT Bureau of Aeronautics When you think about protecting airspace from tall towers and other obstructions, does the Wisconsin Department of Transportation (WisDOT) come…
Serving the Midwest Aviation Community Since 1978
by Justin Hetland Airspace Engineering Specialist WisDOT Bureau of Aeronautics When you think about protecting airspace from tall towers and other obstructions, does the Wisconsin Department of Transportation (WisDOT) come…