Grosse Ile Municipal (ONZ)

Airport information: Detroit/Grosse Ile, MI, United States. Search for another airport below.

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Airport facts

ICAO code
KONZ
FAA identifier
ONZ
Location
Detroit/Grosse Ile, MI, United States
Elevation
590.5 ft
Time zone
America/Detroit
Coordinates
42.09908, -83.16146

Runways

RunwaySizeSurface
04 / 224,846 × 100 ftAsphalt, good
17 / 354,424 × 75 ftConcrete, poor
Helipad H125 × 25 ftConcrete
Helipad H225 × 25 ftConcrete

Codes, elevation and runways: FAA airport data (NASR), effective 2026-10-29. Reference only, not for navigation.

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