FAA INFORMATION EFFECTIVE 27 NOVEMBER 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 -5 (UTC -4 during Daylight Saving 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 |
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 27 November 2025 at 0901Z to 25 December 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 (191KB) |
| RNAV (GPS) RWY 22 | |
download (197KB) |
| VOR-A | |
download (168KB) |
| NOTE: Special Alternate Minimums apply | |
download (57KB) |
Departure Procedures |
| BARII THREE (RNAV) | |
download (178KB) |
| CCOBB THREE (RNAV) | |
download (215KB) |
| CLVIN THREE (RNAV) | |
download (197KB) |
| 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 (229KB) |
| TRMML FOUR (RNAV) | |
download (182KB) |
| 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:
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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 30-Nov-2025
| | Local (UTC-5) | | Zulu (UTC) |
| Morning civil twilight | | 07:10 | | 12:10 |
| Sunrise | | 07:41 | | 12:41 |
| Sunset | | 17:01 | | 22:01 |
| Evening civil twilight | | 17:32 | | 22:32 |
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| Current date and time |
| Zulu (UTC) | 01-Dec-2025 00:37:36 |
| Local (UTC-5) | 30-Nov-2025 19:37:36 |
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| METAR |
| KONZ | 010021Z 27008KT 10SM -SN FEW030 OVC039 M01/M03 A3022 RMK AO2
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KDTW 11nm NW | 302353Z 28010KT 8SM -SN SCT025 OVC035 00/M03 A3020 RMK SLPNO T00001030
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CXHA 12nm E | 010000Z AUTO 27012G21KT M01/M01 RMK AO1 PK WND 26022/2301 SLP231 T10061012 53042
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CYQG 14nm NE | 010023Z AUTO 30010G17KT 9SM -RA SCT026 BKN031 OVC038 01/M03 A3021 RMK PRESRR SLP238
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KTTF 15nm SW | 010015Z AUTO 25007KT 10SM -SN OVC035 M01/M04 A3023 RMK AO2
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KYIP 18nm NW | 302353Z 30011KT 8SM -SN BKN030 OVC036 00/M03 A3020 RMK AO2 SNB13 SLP233 P0000 60000 T00001033 10000 21006 53048
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KDET 19nm N | 302353Z 31012G24KT 9SM SCT026 BKN031 OVC050 01/M04 A3018 RMK AO2 SNB2254E08B41E50 SLP227 P0000 60000 T00061044 10011 20000 53051
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| TAF |
KDTW 11nm NW | 302059Z 3021/0124 24018G29KT P6SM OVC020 PROB30 3021/3023 6SM -SHSN FM302300 29013G24KT P6SM BKN030 FM010200 31010KT P6SM SCT030 FM011200 29003KT P6SM BKN250
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CYQG 14nm NE | 301740Z 3018/0118 24020G35KT P6SM SCT015 OVC030 TEMPO 3018/3024 5SM -SHSN BKN015 OVC030 BECMG 3018/3020 25015G25KT FM010000 29012G22KT P6SM BKN030 BECMG 0100/0102 31008KT FM010300 31005KT P6SM FEW030 FM011200 28005KT P6SM SCT240 RMK FCST BASED ON AUTO OBS. NXT FCST BY 010000Z
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KYIP 18nm NW | 301726Z 3018/0118 24018G29KT P6SM OVC020 PROB30 3021/3023 6SM -SHSN FM302300 29013G24KT P6SM BKN030 FM010200 31010KT P6SM SCT030 FM011200 29003KT P6SM BKN250
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KDET 19nm N | 301726Z 3018/0118 24018G29KT P6SM OVC020 PROB30 3021/3023 6SM -SHSN FM302300 29013G24KT P6SM BKN030 FM010200 31010KT P6SM SCT030 FM011200 29003KT P6SM BKN250
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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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