FAA INFORMATION EFFECTIVE 06 AUGUST 2026
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-3P: | 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-3P 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 |
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 |
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| 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 |
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| 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 06 August 2026 at 0901Z to 03 September 2026 at 0900z.
STARs - Standard Terminal Arrivals |
| FOREY TWO (RNAV) **NEW** | |
download (165KB) |
| GIGGY TWO (RNAV) **NEW** | |
download (145KB) |
| PETTE TWO (RNAV) **NEW** | |
download (215KB) |
| RRALF THREE (RNAV) **NEW** | |
download (166KB) |
IAPs - Instrument Approach Procedures |
| RNAV (GPS) RWY 04 | |
download (198KB) |
| RNAV (GPS) RWY 22 | |
download (204KB) |
| VOR-A | |
download (175KB) |
| NOTE: Special Alternate Minimums apply | |
download (139KB) |
Departure Procedures |
| BARII THREE (RNAV) | |
download (185KB) |
| CCOBB THREE (RNAV) | |
download (222KB) |
| CLVIN THREE (RNAV) | |
download (204KB) |
| HHOWE FOUR (RNAV) | |
download (210KB) |
| KAYLN THREE (RNAV) | |
download (190KB) |
| KZLOV TWO (RNAV) | |
download (185KB) |
| LIDDS FOUR (RNAV) | |
download (209KB) |
| MIGGY THREE (RNAV) | |
download (221KB) |
| PAVYL THREE (RNAV) | |
download (198KB) |
| SNDRS THREE (RNAV) | |
download (236KB) |
| TRMML FOUR (RNAV) | |
download (189KB) |
| ZETTR FOUR (RNAV) | |
download (232KB) |
| 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:
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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 12-Aug-2026
| | Local (UTC-4) | | Zulu (UTC) |
| Morning civil twilight | | 06:08 | | 10:08 |
| Sunrise | | 06:38 | | 10:38 |
| Sunset | | 20:37 | | 00:37 |
| Evening civil twilight | | 21:08 | | 01:08 |
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| Current date and time |
| Zulu (UTC) | 12-Aug-2026 05:44:38 |
| Local (UTC-4) | 12-Aug-2026 01:44:38 |
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| METAR |
| KONZ | 120535Z AUTO 27003KT 10SM CLR 21/20 A2991 RMK AO2
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KDTW 11nm NW | 120453Z 25003KT 10SM FEW005 FEW250 21/20 A2992 RMK AO2 SLP128 T02110200 402720211
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CXHA 12nm E | 120500Z AUTO 26001KT 20/20 RMK AO1 SLP122 T02010201 56001
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CYQG 14nm NE | 120542Z AUTO 18004KT 180V250 5SM BR CLR 19/19 A2991 RMK SLP128 DENSITY ALT 1300FT
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KTTF 15nm SW | 120536Z AUTO 29003KT 10SM CLR 19/19 A2992 RMK AO2
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KYIP 18nm NW | 120453Z AUTO 27003KT 9SM CLR 21/20 A2993 RMK AO2 SLP126 T02110200 402720206 $
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KDET 19nm N | 120453Z 24004KT 10SM CLR 22/21 A2991 RMK AO2 SLP125 T02220206 402780211
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| TAF |
KDTW 11nm NW | 120344Z 1204/1306 22006KT P6SM SCT012 BKN035 OVC100 FM120800 VRB02KT 5SM BR SCT005 BKN012 FM121400 24006KT P6SM SCT015 SCT060 FM122000 28010KT P6SM SCT025 BKN180
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CYQG 14nm NE | 111740Z 1118/1218 12005KT P6SM SCT040 BKN120 TEMPO 1118/1120 BKN020 OVC040 BECMG 1118/1120 22010KT FM112000 22010KT P6SM SCT015 BKN040 OVC120 PROB30 1120/1124 VRB20G30KT 3SM TSRA BR BKN015 OVC040CB FM120000 22008KT P6SM FEW015 SCT040 FM121000 22005KT 6SM BR SCT006 PROB30 1210/1215 2SM BR BKN006 FM121500 20008KT P6SM BKN015 OVC080 RMK FCST BASED ON AUTO OBS. NXT FCST BY 120000Z
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KYIP 18nm NW | 120136Z 1202/1224 19006KT P6SM BKN012 OVC100 FM120800 VRB02KT 5SM BR SCT005 BKN012 FM121400 24006KT P6SM SCT015 SCT060 FM122000 28010KT P6SM SCT025 BKN180
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KDET 19nm N | 120344Z 1204/1224 22006KT P6SM SCT012 BKN035 OVC100 FM120800 VRB02KT 5SM BR SCT005 BKN012 FM121400 24006KT P6SM SCT015 SCT060 FM122000 28010KT P6SM SCT025 BKN180
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| NOTAMs |
NOTAMs are issued by the DoD/FAA and will open in a separate window not controlled by AirNav.
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