FAA INFORMATION EFFECTIVE 04 SEPTEMBER 2025
Location
| FAA Identifier: | ONZ |
| Lat/Long: | 42-05-56.6810N 083-09-41.2560W
42-05.944683N 083-09.687600W
42.0990781,-83.1614600
(estimated) |
| Elevation: | 590.5 ft. / 180.0 m (surveyed) |
| Variation: | 07W (2010) |
| From city: | 2 miles S of central business district of the associated city |
| Time zone: | UTC -4 (UTC -5 during Standard Time) |
| Zip code: | 48138 |
Airport Operations
| Airport use: | Open to the public |
| Activation date: | 05/1941 |
| Control tower: | no |
| ARTCC: | CLEVELAND CENTER |
| FSS: | LANSING FLIGHT SERVICE STATION |
| NOTAMs facility: | ONZ (NOTAM-D service available) |
| Attendance: | MON-FRI 0800-1800, ALL SAT-SUN PRIOR ARNGMT |
| Wind indicator: | lighted |
| Segmented circle: | yes |
| Lights: | ACTVT REIL RWY 04 & 22; PAPI RWY 04, 22, 17, & 35; MIRL RWY 04/22 & 17/35 - CTAF. |
| Beacon: | white-green (lighted land airport)
Operates sunset to sunrise. |
| Airline operations: | ARPT CLSD TO ACR OPS GTR THAN 30 PAX SEATS EXC PPR CALL AMGR. |
Airport Communications
| CTAF/UNICOM: | 123.0 |
| WX AWOS-3: | 119.675 (734-692-9686) |
| DETROIT APPROACH: | 134.3 |
| DETROIT DEPARTURE: | 134.3 |
| WX ASOS at DTW (11 nm NW): | PHONE 231-202-2054 |
| WX AWOS-3 at TTF (15 nm SW): | 119.075 (734-384-0259) |
| WX ASOS at YIP (19 nm NW): | PHONE 734-961-6843 |
| WX ASOS at DET (20 nm N): | PHONE 313-371-9696 |
Nearby radio navigation aids
| VOR radial/distance | | VOR name | | Freq | | Var |
|---|
| DXOr133/11.4 | | DETROIT VOR/DME | | 113.40 | | 06W |
| CRLr080/13.5 | | CARLETON VOR/DME | | 115.70 | | 03W |
| SVMr137/26.7 | | SALEM VORTAC | | 114.30 | | 03W |
| NDB name | | Hdg/Dist | | Freq | | Var | | ID |
|---|
| TECUMSEH | | 089/32.5 | | 239 | | 06W | | TCU | - -.-. ..- |
Airport Services
| Fuel available: | 100LL JET-A |
| Parking: | hangars and tiedowns |
| Airframe service: | MAJOR |
| Powerplant service: | MAJOR |
| Bottled oxygen: | NONE |
| Bulk oxygen: | NONE |
Runway Information
Runway 4/22
| Dimensions: | 4846 x 100 ft. / 1477 x 30 m |
| Surface: | asphalt, in good condition |
| Weight bearing capacity: | | Single wheel: | 66.0 | | Double wheel: | 83.0 | | Double tandem: | 105.0 |
|
| Runway edge lights: | medium intensity |
| RUNWAY 4 | | RUNWAY 22 |
| Latitude: | 42-05.601227N | | 42-06.289745N |
| Longitude: | 083-09.742193W | | 083-09.200983W |
| Elevation: | 576.8 ft. | | 589.3 ft. |
| Traffic pattern: | right | | left |
| Runway heading: | 037 magnetic, 030 true | | 217 magnetic, 210 true |
| Displaced threshold: | no | | 428 ft. |
| Markings: | nonprecision, in good condition | | nonprecision, in good condition |
| Visual slope indicator: | 4-light PAPI on left (3.04 degrees glide path) | | 4-light PAPI on left (3.04 degrees glide path) |
| Runway end identifier lights: | yes | | yes |
| Touchdown point: | yes, no lights | | yes, no lights |
| Obstructions: | 37 ft. tree, 790 ft. from runway, 308 ft. left of centerline, 15:1 slope to clear | | 65 ft. trees, 1010 ft. from runway, 344 ft. left of centerline, 12:1 slope to clear
APCH RATIO 20:1 TO DTHR. |
Runway 17/35
| Dimensions: | 4424 x 75 ft. / 1348 x 23 m |
| Surface: | concrete, in poor condition
EXTSV PEELING & CRACKING - FOD HAZ. |
| Weight bearing capacity: | | Single wheel: | 40.0 | | Double wheel: | 55.0 | | Double tandem: | 90.0 |
|
| Runway edge lights: | medium intensity |
| RUNWAY 17 | | RUNWAY 35 |
| Latitude: | 42-06.298312N | | 42-05.589238N |
| Longitude: | 083-10.036057W | | 083-09.812280W |
| Elevation: | 581.3 ft. | | 578.3 ft. |
| Traffic pattern: | left | | right |
| Runway heading: | 174 magnetic, 167 true | | 354 magnetic, 347 true |
| Displaced threshold: | 672 ft. | | no |
| Markings: | basic, in fair condition | | basic, in fair condition |
| Visual slope indicator: | 4-light PAPI on left (3.00 degrees glide path) | | 4-light PAPI on left (3.00 degrees glide path) |
| Runway end identifier lights: | no | | no |
| Touchdown point: | yes, no lights | | yes, no lights |
| Obstructions: | 80 ft. trees, 1180 ft. from runway, 40 ft. right of centerline, 12:1 slope to clear | | none |
Helipad H1
| Dimensions: | 25 x 25 ft. / 8 x 8 m |
| Surface: | concrete |
| Latitude: | 42-06.319333N | | |
| Longitude: | 083-09.471333W | | |
| Elevation: | 595.0 ft. | | |
| Traffic pattern: | left | | left |
Helipad H2
| Dimensions: | 25 x 25 ft. / 8 x 8 m |
| Surface: | concrete |
| Latitude: | 42-06.318500N | | |
| Longitude: | 083-09.449667W | | |
| Elevation: | 594.0 ft. | | |
| Traffic pattern: | left | | left |
Airport Ownership and Management from official FAA records
| Ownership: | Publicly-owned |
| Owner: | TOWNSHIP OF GROSSE ILE
PO BOX 129, PO BOX 129
GROSSE ILE, MI 48138
Phone 734-675-0155 |
| Manager: | JANEL MACNEE
P.O. BOX 129, PO BOX 129
GROSSE ILE, MI 48138
Phone 734-675-0155 |
Additional Remarks
| - | BIRDS & DEER ON & INVOF ARPT. |
| - | ULTRALIGHT & PWRD PRCHT ACT INVOF ARPT. |
| - | FOR CD CTC DETROIT APCH AT 734-955-1404. |
Instrument Procedures
NOTE: All procedures below are presented as PDF files. If you need a reader for these files, you should download the free Adobe Reader.NOT FOR NAVIGATION. Please procure official charts for flight.
FAA instrument procedures published for use from 04 September 2025 at 0901Z to 02 October 2025 at 0900z.
STARs - Standard Terminal Arrivals |
|---|
| FOREY TWO (RNAV) | |
download (159KB) |
| GIGGY TWO (RNAV) | |
download (139KB) |
| PETTE TWO (RNAV) | |
download (210KB) |
| RRALF THREE (RNAV) | |
download (161KB) |
IAPs - Instrument Approach Procedures |
|---|
| RNAV (GPS) RWY 04 | |
download (185KB) |
| RNAV (GPS) RWY 22 | |
download (197KB) |
| VOR-A | |
download (196KB) |
| NOTE: Special Alternate Minimums apply | |
download (140KB) |
Departure Procedures |
|---|
| BARII THREE (RNAV) | |
download (179KB) |
| CCOBB THREE (RNAV) | |
download (215KB) |
| CLVIN THREE (RNAV) | |
download (198KB) |
| HHOWE FOUR (RNAV) | |
download (203KB) |
| KAYLN THREE (RNAV) | |
download (183KB) |
| KZLOV TWO (RNAV) | |
download (178KB) |
| LIDDS FOUR (RNAV) | |
download (202KB) |
| MIGGY THREE (RNAV) | |
download (215KB) |
| PAVYL THREE (RNAV) | |
download (191KB) |
| SNDRS THREE (RNAV) | |
download (230KB) |
| TRMML FOUR (RNAV) | |
download (183KB) |
| ZETTR FOUR (RNAV) | |
download (225KB) |
| NOTE: Special Take-Off Minimums/Departure Procedures apply | |
download (208KB) |
Other nearby airports with instrument procedures:
KDTW - Detroit Metro Wayne County Airport (11 nm NW)
KTTF - Custer Airport (15 nm SW)
KYIP - Willow Run Airport (19 nm NW)
1D2 - Canton-Plymouth-Mettetal Airport (20 nm NW)
KDET - Coleman A Young Municipal Airport (20 nm N)
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Road maps at:
MapQuest
Bing
Google
| Aerial photo |
|---|
WARNING: Photo may not be current or correct
Photo by Cathy Vajtay
Photo taken 21-Jun-2015
looking southeast.
Do you have a better or more recent aerial photo of Grosse Ile Municipal Airport that you would like to share? If so, please send us your photo.
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| Sectional chart |
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| Airport distance calculator |
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| Sunrise and sunset |
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Times for 22-Sep-2025
| | Local
(UTC-4) | | Zulu
(UTC) |
|---|
| Morning civil twilight | | 06:53 | | 10:53 |
| Sunrise | | 07:21 | | 11:21 |
| Sunset | | 19:30 | | 23:30 |
| Evening civil twilight | | 19:58 | | 23:58 |
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| Current date and time |
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| Zulu (UTC) | 23-Sep-2025 02:29:03 |
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| Local (UTC-4) | 22-Sep-2025 22:29:03 |
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| METAR |
|---|
| KONZ | 230216Z AUTO 22006KT 10SM CLR 19/17 A2990 RMK AO2
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KDTW
11nm NW | 230153Z 19008KT 10SM FEW040 FEW130 BKN250 19/17 A2991 RMK AO2 SLP124 T01940172
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CXHA
12nm E | 230200Z AUTO 22004KT 19/19 RMK AO1 SLP124 T01940194 53005
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CYQG
14nm NE | 230200Z AUTO 23006KT 6SM BR SCT012 BKN130 19/19 A2991 RMK SLP128 DENSITY ALT 1300FT
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KTTF
15nm SW | 230215Z AUTO 19003KT 10SM CLR 18/16 A2990 RMK AO2
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KYIP
18nm NW | 230153Z 21007KT 10SM CLR 19/17 A2991 RMK AO2 SLP123 T01890172
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KDET
19nm N | 230153Z 23006KT 10SM CLR 21/17 A2990 RMK AO2 SLP121 T02060172
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| TAF |
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KDTW
11nm NW | 222100Z 2221/2324 21010KT P6SM SCT025 BKN100 PROB30 2221/2222 6SM -SHRA BKN040 FM222200 21008KT P6SM SCT045 BKN060 FM230800 VRB03KT 3SM BR BKN020 FM231500 25005KT P6SM BKN030 BKN060 PROB30 2317/2321 3SM SHRA OVC030
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CYQG
14nm NE | 221740Z 2218/2318 22010KT P6SM SCT012 OVC070 TEMPO 2218/2224 P6SM -SHRA BKN012 BKN050 PROB30 2218/2224 2SM TSRA BR BKN010 OVC030CB FM230000 22012KT P6SM BKN050 FM230300 23008KT P6SM SCT015 BKN050 TEMPO 2303/2308 BKN015 FM230800 23005KT P6SM SCT015 PROB30 2308/2314 1SM BR RMK FCST BASED ON AUTO OBS. NXT FCST BY 230000Z
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KYIP
18nm NW | 221731Z 2218/2318 21007KT P6SM SCT040 BKN100 PROB30 2219/2222 6SM -SHRA BKN040 FM222200 21008KT P6SM SCT045 BKN060 FM230800 VRB03KT 3SM BR BKN020 FM231500 25005KT P6SM SCT030 BKN060
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KDET
19nm N | 221731Z 2218/2318 21007KT P6SM SCT040 BKN100 PROB30 2219/2222 6SM -SHRA BKN040 FM222200 21008KT P6SM SCT045 BKN060 FM230800 VRB03KT 5SM BR BKN020 FM231500 25005KT P6SM SCT030 BKN060
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| NOTAMs |
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NOTAMs are issued by the DoD/FAA and will open in a separate window not controlled by AirNav.
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