FAA INFORMATION EFFECTIVE 29 OCTOBER 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 313-992-4261 |
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 29 October 2026 at 0901Z to 26 November 2026 at 0900z.
STARs - Standard Terminal Arrivals |
| FOREY THREE (RNAV) | |
download (163KB) |
| GIGGY THREE (RNAV) **NEW** | |
download (147KB) |
| PETTE THREE (RNAV) **NEW** | |
download (218KB) |
| RRALF THREE (RNAV) | |
download (166KB) |
IAPs - Instrument Approach Procedures |
| RNAV (GPS) RWY 04 | |
download (197KB) |
| RNAV (GPS) RWY 22 | |
download (204KB) |
| VOR-A | |
download (173KB) |
| NOTE: Special Alternate Minimums apply | |
download (139KB) |
Departure Procedures |
| BARII THREE (RNAV) | |
download (184KB) |
| CCOBB THREE (RNAV) | |
download (221KB) |
| CLVIN THREE (RNAV) | |
download (204KB) |
| HHOWE FOUR (RNAV) | |
download (209KB) |
| KAYLN THREE (RNAV) **CHANGED** | |
download (190KB) |
| KZLOV TWO (RNAV) | |
download (184KB) |
| LIDDS FOUR (RNAV) | |
download (208KB) |
| MIGGY THREE (RNAV) | |
download (221KB) |
| PAVYL THREE (RNAV) | |
download (197KB) |
| SNDRS THREE (RNAV) | |
download (236KB) |
| TRMML FOUR (RNAV) | |
download (188KB) |
| ZETTR FOUR (RNAV) | |
download (231KB) |
| 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 07-Nov-2026
| | Local (UTC-5) | | Zulu (UTC) |
| Morning civil twilight | | 06:44 | | 11:44 |
| Sunrise | | 07:14 | | 12:14 |
| Sunset | | 17:19 | | 22:19 |
| Evening civil twilight | | 17:48 | | 22:48 |
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| Current date and time |
| Zulu (UTC) | 07-Nov-2026 11:52:34 |
| Local (UTC-5) | 07-Nov-2026 06:52:34 |
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| METAR |
| KONZ | 070555Z AUTO 30009G14KT 10SM OVC023 06/03 A3002 RMK AO2 10070 20054
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KDTW 11nm NW | 071053Z 31011KT 10SM FEW020 BKN065 OVC090 05/01 A3002 RMK AO2 SLP170 T00500011 $
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CXHA 12nm E | 071100Z AUTO 31005KT 05/02 RMK AO1 SLP162 T00490021 53001
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CYQG 14nm NE | 071100Z AUTO 32009G19KT 9SM BKN060 OVC074 05/02 A3000 RMK SLP166
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KTTF 15nm SW | 071135Z AUTO 30011KT 10SM OVC020 05/04 A3005 RMK AO2
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KYIP 18nm NW | 071053Z AUTO 31008G17KT 10SM OVC021 06/02 A3003 RMK AO2 SLP170 T00560017
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KDET 19nm N | 071053Z 30007KT 10SM OVC060 04/02 A3000 RMK AO2 SLP163 T00440017
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| TAF |
KDTW 11nm NW | 071018Z 0710/0812 30011KT P6SM SCT025 OVC040 TEMPO 0710/0713 BKN022 OVC040 FM071300 31010KT P6SM BKN025 FM071900 30012G19KT P6SM SCT040
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CYQG 14nm NE | 070540Z 0706/0806 30010G20KT P6SM SCT020 OVC040 TEMPO 0706/0712 5SM -SHRA BR BKN020 OVC040 FM071200 30010KT P6SM BKN020 OVC040 FM071800 30012G22KT P6SM BKN040 BECMG 0723/0801 28008KT SKC RMK FCST BASED ON AUTO OBS. NXT FCST BY 071200Z
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KYIP 18nm NW | 071018Z 0710/0806 30011KT P6SM SCT025 OVC040 TEMPO 0710/0713 BKN022 OVC040 FM071300 31010KT P6SM BKN025 FM071900 30012G19KT P6SM SCT040
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KDET 19nm N | 071018Z 0710/0806 30011KT P6SM SCT025 OVC040 TEMPO 0710/0713 BKN022 OVC040 FM071300 31010KT P6SM BKN025 FM071900 30012G19KT P6SM SCT040
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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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