4
Runways
5
Frequencies
0
Procedures
5
NOTAMs
Quick Facts
FAA
ONZ
Elevation
590.5 ft MSL
Runways
4
Frequencies
5
Tower
No
Fuel
100LL,A
Coordinates
42.099, -83.161
Airport Information
Facility Type
AIRPORT
Elevation
590.5 ft MSL
Control Tower
No
Fuel Types
100LL,A
ARTCC
CLEVELAND
Coordinates
42.0991, -83.1615
Ownership
Public
Hours of Operation
Current Weather
METAR KDTW 100053Z 21010KT 10SM FEW020 SCT060 BKN250 28/22 A2984 RMK AO2 SLP100 CB DSNT NE MOV E T02780222 $
Flight Category
VFR
Wind
210° at 10 kt
Visibility
10+ SM
Temperature
27.8°C
Dewpoint
22.2°C
Altimeter
1010.60 inHg
Cloud Cover
BKN
Nearest weather from KDTW (13 NM away)
Observed 2026-06-10 00:53Z
Nearby Weather Cameras
No camera at ONZ. Showing nearest cameras.
Windsor
NorthWest · Camera 4 · 4 cameras total
16 NM away
U of M Ann Arbor
South · Camera 3 · 4 cameras total
36 NM away
12 camera angles available
See all cameras, directions, and nearby airport cameras
Sign up free to view all cameras →Runways
| ID | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 04/22 | 4,846 ft | 100 ft | ASPH | MED |
| 17/35 | 4,424 ft | 75 ft | CONC | MED |
| H1 | 25 ft | 25 ft | CONC | - |
| H2 | 25 ft | 25 ft | CONC | - |
Frequencies
| Type | Frequency | Name |
|---|---|---|
| APCH/P DEP/P | 134.3 | DETROIT TRACON |
| APCH/P DEP/P | 284.0 | DETROIT TRACON |
| CTAF | 123.0 | GROSSE ILE MUNI |
| ONZ AWOS-3P | XXX.XXX | - |
| UNICOM | XXX.XXX | GROSSE ILE MUNI |
Active NOTAMs
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ONZ Operational Overview
Location & Facility
GROSSE ILE MUNI (ONZ) is a publicly owned airport open to the public located in DETROIT/GROSSE ILE, Michigan, United States. The field sits at an elevation of 590.5 feet above mean sea level (MSL) at coordinates 42.0991°N, 83.1615°W.
Runways
GROSSE ILE MUNI has 4 runways. The longest runway (04/22) measures 4,846 feet by 100 feet with a asph surface. Other runways include 17/35 (4,424 ft, CONC), H1 (25 ft, CONC), H2 (25 ft, CONC).
Communications & Operations
GROSSE ILE MUNI is a non-towered (pilot-controlled) field. A total of 5 communication frequencies are published for this facility.
Services & Fuel
GROSSE ILE MUNI offers 100LL,A fuel. Pilots planning fuel stops should confirm availability with the FBO, as hours and pricing may vary.
Weather Cameras
3 FAA Weather Cameras are available near GROSSE ILE MUNI, providing real-time visual weather conditions updated every 10 minutes. AeroCopilot integrates these cameras with AI-powered weather analysis to help pilots assess visibility and ceiling conditions before departure.
Current Conditions
The current flight category at GROSSE ILE MUNI is VFR (Visual Flight Rules — good flying conditions). Weather conditions are updated in real-time from official NOAA Aviation Weather Center observations. There are currently 5 active NOTAMs for this facility.
Frequently Asked Questions
What is ONZ?
ONZ is the ICAO identifier for GROSSE ILE MUNI, a public-use airport located in DETROIT/GROSSE ILE, Michigan, United States.
How many runways does GROSSE ILE MUNI have?
GROSSE ILE MUNI (ONZ) has 4 runways. See the runway table above for dimensions and surface types.
What is the elevation of ONZ?
The field elevation of GROSSE ILE MUNI is 590.5 feet above mean sea level (MSL).
Is fuel available at ONZ?
Yes, GROSSE ILE MUNI offers 100LL,A fuel.
What are the current weather conditions at ONZ?
The current flight category at GROSSE ILE MUNI is VFR. See the METAR section above for full decoded weather data including wind, visibility, temperature, and altimeter.
Are there active NOTAMs at ONZ?
There are currently 5 active NOTAMs for GROSSE ILE MUNI. Sign up for AeroCopilot to read decoded NOTAM text and AI interpretations.
How do I access complete data for ONZ?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for GROSSE ILE MUNI.
Where is GROSSE ILE MUNI located?
GROSSE ILE MUNI (ONZ) is located in DETROIT/GROSSE ILE, Michigan, United States, at an elevation of 590.5 ft MSL.
Does ONZ have weather cameras?
ONZ does not have a direct weather camera, but there are nearby cameras within range. Sign up for AeroCopilot to view all nearby airport cameras.