Oshkosh Approach
Oshkosh alternate airport planning companion
Alternate planning matters before launching for AirVenture. Oshkosh Approach keeps divert triggers and alternate-airport references close to the active phase flow.
Ready to use the operational companion?
Continue to the phase navigator, planning checklists, runway tools, and connected KOSH NOTAM view.
Alternates surfaced in the app
The app lists Notice-sourced alternate options in a reference sheet and from divert flows.
- KFLD Fond du Lac: Closest alternate. Temporary FAA tower active Jul 18-26.
- KATW Appleton International: Tower 5:30 AM-11:00 PM CDT daily; CTAF 119.6 when closed.
- KGRB Green Bay - Austin Straubel: One of the alternate airports listed in the Notice. Brief current weather, NOTAMs, airport information, fuel, and onward transportation.
How to use this page
Use this page to understand that alternates are part of the companion workflow. Before flight, brief fuel, weather, closures, saturation, and current airport information from authoritative sources.
Open the companion
The homepage includes the interactive alternates sheet and divert triggers.
Related briefings
Continue with another source-backed planning overview.
Common questions
Does the app choose an alternate for me?
No. It surfaces source-backed alternate references and divert triggers. The pilot remains responsible for flight planning and decisions.