Traffic Pattern Aug 30, 2026Class D Airspace, the Part-Time Tower, and the Airspace That Changes When the Controller Goes HomeClass D airspace requires two-way radio contact before entry, but it only exists when the tower is open - here's what replaces it when the controller goes home.Pattern
Traffic Pattern Jul 21, 2026Class D Airspace and Wittman Field - The Tower That Becomes the World's Busiest for One WeekLearn what Class D airspace requires - including the exact meaning of 'established communication' - and how Oshkosh scales it up.Pattern
Traffic Pattern Jul 6, 2026Class D Airspace and the Radio Call That Unlocks the DoorUnderstand Class D airspace entry rules, the exact moment two-way communication is established, and how to make a proper initial call to a tower.Pattern