Grosse Ile Municipal (KONZ)
Non-towered public-use airport serving Detroit/Grosse Ile, Michigan, at 590 ft elevation.
Elevation590 ft
ControlNon-towered
Longest runway4,846 ft
Magnetic variation7° W
On the field: flight training, aircraft rental, charter (as listed in FAA data). Find flight schools in Michigan.
Live weather
Forecast (TAF)
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Frequencies
| AWOS/ASOS | 119.675 |
|---|---|
| CTAF | 123.0 |
| UNICOM | 123.0 |
| Approach/Departure | 134.3 Detroit |
Runways
| Runway | Size | Surface | Lights |
|---|---|---|---|
| 04/22 | 4,846 × 100 ft | Asphalt | Medium intensity |
| 17/35 | 4,424 × 75 ft | Concrete | Medium intensity |
Fuel: 100LL, A. Sectional: Detroit.
Nearby airports
W87Buzzwick11 NM SWKDTWDetroit Metro Wayne County11 NM NWKTTFCuster15 NM SW43GBelleville18 NM WKYIPWillow Run19 NM NW1D2Canton-Plymouth-Mettetal20 NM NW
Before you fly here
- Read the FAA Chart Supplement entry for ONZ: traffic pattern, CTAF/UNICOM, hours, fuel and remarks.
- Check NOTAMs and get a weather briefing at 1800wxbrief.com.
- Study the airport diagram and the sectional around KONZ for airspace and terrain.
- More detail: AirNav · SkyVector
Airport data from the FAA National Airspace System Resource (NASR) subscription effective Oct 1, 2026; magnetic variation as published for 2010. Weather is live from aviationweather.gov. Always confirm with current official sources before flight. This guide is a study aid.