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KONZ Grosse Ile Municipal Airport
Detroit/Grosse Ile, Michigan, USA

GOING TO DETROIT/GROSSE ILE?


FAA INFORMATION EFFECTIVE 20 MARCH 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
DXOr133/11.4DETROIT VOR/DME113.4006W
CRLr080/13.5CARLETON VOR/DME115.7003W
SVMr137/26.7SALEM VORTAC114.3003W

 
NDB name  Hdg/Dist  Freq  Var  ID
GROSSE ILEat field41907WRYS .-. -.-- ...
TECUMSEH089/32.523906WTCU - -.-. ..-

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: 42-05.601227N42-06.289745N
Longitude: 083-09.742193W083-09.200983W
Elevation: 576.8 ft.589.3 ft.
Traffic pattern: rightleft
Runway heading: 037 magnetic, 030 true217 magnetic, 210 true
Displaced threshold: no428 ft.
Markings: nonprecision, in good conditionnonprecision, 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: yesyes
Touchdown point: yes, no lightsyes, no lights
Obstructions: 37 ft. tree, 790 ft. from runway, 308 ft. left of centerline, 15:1 slope to clear65 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: 42-06.298312N42-05.589238N
Longitude: 083-10.036057W083-09.812280W
Elevation: 581.3 ft.578.3 ft.
Traffic pattern: leftright
Runway heading: 174 magnetic, 167 true354 magnetic, 347 true
Displaced threshold: 672 ft.no
Markings: basic, in fair conditionbasic, 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: nono
Touchdown point: yes, no lightsyes, no lights
Obstructions: 80 ft. trees, 1180 ft. from runway, 40 ft. right of centerline, 12:1 slope to clearnone

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: leftleft

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: leftleft

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 20 March 2025 at 0901Z to 17 April 2025 at 0900z.

 
STARs - Standard Terminal Arrivals
FOREY TWO (RNAV)   download (160KB)
GIGGY TWO (RNAV)   download (139KB)
PETTE TWO (RNAV)   download (210KB)
RRALF THREE (RNAV)   download (161KB)
 
IAPs - Instrument Approach Procedures
RNAV (GPS) RWY 04   download (188KB)
RNAV (GPS) RWY 22   download (200KB)
VOR-A   download (199KB)
NDB RWY 04   download (241KB)
NOTE: Special Alternate Minimums apply   download (23KB)
 
Departure Procedures
BARII THREE (RNAV)   download (179KB)
CCOBB THREE (RNAV)   download (215KB)
CLVIN THREE (RNAV)   download (198KB)
HHOWE FOUR (RNAV)   download (204KB)
KAYLN THREE (RNAV)   download (183KB)
KZLOV TWO (RNAV)   download (178KB)
LIDDS THREE (RNAV)   download (193KB)
MIGGY THREE (RNAV)   download (215KB)
PAVYL THREE (RNAV)   download (192KB)
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)
 
Loc | Ops | Rwys | IFR | FBO | Links
Com | Nav | Svcs | Stats | Notes


 
Area around KONZ (Grosse Ile Municipal Airport)
 
Road maps at: MapQuest Bing Google
 
Aerial photo
WARNING: Photo may not be current or correct
Aerial photo of KONZ (Grosse Ile Municipal Airport)
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.

 
Sectional chart

 
Airport distance calculator
Flying to Grosse Ile Municipal Airport? Find the distance to fly.

From to KONZ

Sunrise and sunset
Times for 21-Mar-2025
 Local
(UTC-4)
 Zulu
(UTC)
Morning civil twilight07:0711:07
Sunrise07:3511:35
Sunset19:4523:45
Evening civil twilight20:1200:12

Current date and time
Zulu (UTC)  21-Mar-2025 07:12:09
Local (UTC-4)  21-Mar-2025 03:12:09
 
METAR
KONZ 210655Z AUTO 28004KT 10SM CLR M01/M06 A2998 RMK AO2
KDTW 
11nm NW 
210653Z 25005KT 8SM FEW250 M02/M07 A2999 RMK AO2 SLP160 T10171072
CXHA 
12nm E 
210600Z AUTO 30003KT M01/M06 RMK AO1 SLP152 T10091058 51010
CYQG 
14nm NE 
210600Z AUTO 31006KT 9SM CLR M00/M07 A2996 RMK SLP153
KTTF 
15nm SW 
210655Z AUTO 26005KT 10SM CLR M02/M06 A2999 RMK AO2
KYIP 
18nm NW 
210653Z 25006KT 10SM CLR M02/M07 A2998 RMK AO2 SLP157 T10221067
KDET 
19nm N 
210653Z 25004KT 10SM CLR 00/M07 A2998 RMK AO2 SLP156 T00001072
TAF
KDTW 
11nm NW 
210525Z 2106/2212 30008KT P6SM SKC FM210800 22006KT P6SM SKC FM211600 23016G24KT P6SM SCT150 FM220100 21014KT P6SM OVC100 FM220900 25012KT P6SM OVC030
CYQG 
14nm NE 
210540Z 2106/2206 31010KT P6SM SKC BECMG 2107/2109 25007KT FM211400 22010KT P6SM SKC BECMG 2114/2116 22012G22KT FM211800 22015G25KT P6SM FEW025 SCT200 FM220300 22015G25KT P6SM BKN140 FM220500 22018G28KT P6SM BKN060 RMK FCST BASED ON AUTO OBS. NXT FCST BY 211200Z
KYIP 
18nm NW 
210525Z 2106/2206 29008KT P6SM SKC FM210800 22006KT P6SM SKC FM211600 23016G24KT P6SM SCT150 FM220100 21014KT P6SM OVC100
KDET 
19nm N 
210525Z 2106/2206 29008KT P6SM SKC FM210800 22006KT P6SM SKC FM211600 23016G24KT P6SM SCT150 FM220100 21014KT P6SM OVC100
NOTAMs
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FBO, Fuel Providers, and Aircraft Ground Support

  
 Business Name 
 
 Contact 
 
 Services / Description 
 
Fuel Prices
 
Comments
  
 Grosse Ile Municipal Airport
734-675-0155
734-692-6424
[web site]
[email]
Airport management, Aviation fuel, Aircraft parking (ramp or tiedown), Hangars, Hangar leasing / sales, Passenger terminal and lounge, ...

More info about Grosse Ile Municipal Airport
Phillips 66
100LL Jet A
AS $5.70 $4.76 
 Updated 25-Feb-2025
 
   write
AS=Assisted/Self Service
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Other Pages about Grosse Ile Municipal Airport

www.grosseileairport.com
Page from the Michigan Airport Directory (PDF)
 
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