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ATC at Oshkosh, Pt. 2

We continue our inside look at what it takes for ATC to manage traffic in and around Oshkosh during the annual AirVenture.

Great view from the ATC tower at Oshkosh
The main OSH tower oversees the entire operation.
Gemini Sparkle

Key Takeaways:

  • Oshkosh AirVenture's "World's Busiest Control Tower" operates with a highly coordinated, multi-team system, rotating controllers through specialized North and South Local positions that rely on visual spotting and precise communication to manage an extremely high volume of arrivals.
  • Departures are uniquely handled by Mobile Ops/Comms Workstations (MOOCOWs) located directly at runway ends, where dedicated teams visually sequence aircraft and use hand signals to marshal them for takeoff without traditional radar.
  • The entire ATC operation, supported by Ground Control/Clearance (GC/CD) for IFR clearances and ATIS, emphasizes constant visual awareness, rapid adaptation, and a "go around" philosophy to maintain safety amidst the intense, non-radar environment.
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Last month in Part 1, we talked about the ATC planning for Oshkosh, selection, pre-OSH activities, Fond du Lac, and Fisk. In this Part 2, we’ll talk about ATC roles in the “World’s Busiest Control Tower,” those oddly named MOOCOWS, and a couple other things. We’ll start with the Tower.

OSH Tower

Oshkosh Tower is the well-known landmark for anyone who has been to AirVenture. Starting around 0545 every morning and finishing around 2030, six teams of controllers along with several supervisors and managers are in and out of the tower. We don’t just handle a lot of traffic. There are enough people working that Operation Managers (OM) are required to manage the staff. There are three teams in the morning and three in the afternoon with several other pink shirts passing through.

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