iFlightPlanner

 

...
GROSSE ILE MUNI - Airport Diagram
LiveATC.net: Live Air Traffic - From Their Headsets to You

KONZ
ICAO KONZLocal ONZ
GROSSE ILE MUNI
PublicPUB

2 miles S of DETROIT/GROSSE ILE, MI, US
View on Map
LiveATC.net: Live Air Traffic - From Their Headsets to You
Status
Operational
Coordinates
42° 05' 57"N 83° 09' 41"W
Elevation
591' MSL
Pattern Alt
1591' MSL
Mag Variation
7°W
Declination
7°W
Fuel
JET A, 100LL
FSS
LANSING (LAN)
Sectional
DETROIT
ARTCC
CLEVELAND (ZOB)
Data Effective
9/3/26-10/1/26
KONZ VFR
2:55 PM EDT  
Clear
10sm
75°F
72°F
29.89"Hg
180° 6kts
AO2
METAR KONZ 121855Z AUTO 18006KT 10SM CLR 24/22 A2989 RMK AO2
+ Add Your Business

KONZ FBOs

Promote Listing
Millennium Flight
UNICOM: 123.0
Phone: (734) 692-6424
No Rating Available
0 Reviews (Read | Sign In To Write)
Promote Listing
Grosse Ile Municipal Airport
UNICOM: 123.0
Phone: (734) 675-0155
Other: (734) 692-6424
No Rating Available
0 Reviews (Read | Sign In To Write)
Phillips 66
As of 9/7
 100LL JET A JET A (FSII) MOGAS UL94
Self Serve 6.82 6.38
Full Serve
Fuel Notes
Prices include tax
Assistance is available for self-serve 100LL and JET A.
X

Send Message to Airport Company
Enter your information and message below.

Your Information
 
Processing 

Weather and Advisory

AWOS-3P 119.675
(734) 692-9686

Common

CTAF 123.0
ACTVT REIL RWY 04 & 22; PAPI RWY 04, 22, 17, & 35; MIRL RWY 04/22 & 17/35 - CTAF.
UNICOM 123.0

Approach

DETROIT APPROACH 134.3

Departure

DETROIT DEPARTURE 134.3

Terminal Area Forecast

KDTW (11nm)
Sat, 9/12 2:41 PM EDT
Sat, 9/12 3:00 PM EDT - Sun, 9/13 8:00 PM EDT
MVFR
Temporary 3:00 PM EDT - 5:00 PM EDT
Broken 2,500'
N/A
Calm
VFR
3:00 PM EDT - 5:00 PM EDT
Broken 20,000'
Broken 5,000'
Scattered 2,500'
6sm
200° 8kts
VFR
5:00 PM EDT - 12:00 AM EDT
Overcast 12,000'
Scattered 3,500'
6sm
220° 12kts
VFR
12:00 AM EDT - 8:00 AM EDT
Broken 4,000'
Scattered 2,500'
6sm
260° 7kts
VFR
8:00 AM EDT - 2:00 PM EDT
Scattered 3,000'
6sm
360° 6kts
VFR
2:00 PM EDT - 8:00 PM EDT
Broken 10,000'
6sm
300° 12kts
Gusts 20kts
TAF KDTW 121841Z 1219/1324 20008KT P6SM SCT025 BKN050 BKN200
   TEMPO 1219/1221 BKN025
   FM122100 22012KT P6SM SCT035 OVC120
   FM130400 26007KT P6SM SCT025 BKN040
   FM131200 36006KT P6SM SCT030
   FM131800 30012G20KT P6SM BKN100
KONZ
EffectiveExpiresCategoryNOTAM
Domestic
9/7/26
1101Z
10/22/26
1101Z
!ONZ 09/001 ONZ OBST TOWER LGT (ASR 1006923) 420640.00N0831145.00W (1.7NM WNW ONZ) 866.1FT (294.9FT AGL) U/S 2609071101-2610221101
8/20/26
1702Z
10/30/26
1200Z
!ONZ 08/005 ONZ OBST TOWER LGT (ASR 1029785) 420110.00N0831416.00W (5.9NM SW ONZ) 993.8FT (403.9FT AGL) U/S 2608201702-2610301200
6/30/26
1228Z
Runway!ONZ 06/021 ONZ RWY 04 RWY END ID LGT U/S 2606301228-2701062111EST
6/30/26
1228Z
Runway!ONZ 06/020 ONZ RWY 04 PAPI U/S 2606301228-2701062111EST
6/30/26
1226Z
Runway!ONZ 06/019 ONZ RWY 22 RWY END ID LGT U/S 2606301226-2701062111EST
6/24/26
1708Z
9/24/26
2359Z
!ONZ 06/015 ONZ AD AP WILDLIFE HAZARD NEAR MOV AREAS 2606241708-2609242359
6/24/26
1707Z
9/24/26
2359Z
Runway!ONZ 06/014 ONZ RWY 22 PAPI U/S 2606241707-2609242359
6/24/26
1706Z
9/24/26
2359Z
Runway!ONZ 06/013 ONZ RWY 17/35 CLSD 2606241706-2609242359
FDC
2/12/26
2000Z
2/21/28
2000Z
!FDC 6/3462 ONZ STAR GROSSE ILE MUNICIPAL AIRPORT, DETROIT/GROSSE
ILE, MI
PETTE TWO ARRIVAL...
HOSSA TRANSITION: MOCA 2800 HOSSA TO PETTE.
QBURT TRANSITION: MOCA 2800 HAZIT TO PETTE.
TORRR TRANSITION: MOCA 2800 HAZIT TO PETTE.
WWODD TRANSITION: MOCA 2800 HAZIT TO PETTE.
ALL OTHER DATA REMAINS AS PUBLISHED.
2602122000-2802212000
12/17/25
1445Z
!FDC 5/0302 ONZ IAP GROSSE ILE MUNI, DETROIT/GROSSE ILE, MI.
VOR-A, AMDT 8...
PROCEDURE NA.
2512171445-2712161445EST
No
MON-FRI 0800-1800
SAT-SUN PRIOR ARNGMT
TOWNSHIP OF GROSSE ILE
PO BOX 129 PO BOX 129
GROSSE ILE, MI 48138
Phone: 734-675-0155
JANEL MACNEE
P.O. BOX 129 PO BOX 129
GROSSE ILE, MI 48138
Phone: 734-675-0155
LANSING FSS (LAN)
Toll Free: 1-800-WX-BRIEF
ONZ
--
ACTVT REIL RWY 04 & 22; PAPI RWY 04, 22, 17, & 35; MIRL RWY 04/22 & 17/35 - CTAF.
N/A
Yes - Lighted
Yes
No
Hanger, Tie-Down
NOT a Landing Rights Airport
NOT an Airport of Entry
Major
Major
None
None
Charter Service
Pilot Instruction
Aircraft Rental

Runway 04/22

4846 ft. x 100 ft.
ASPH  
Good 
NONE 
MED 
 
66,000lbs 
83,000lbs 
105,000lbs 
-- 
  Runway 04 Runway 22
True Heading 30°210°
Traffic Pattern Right Left
Markings NPI NPI
Markings Condition GOOD GOOD
Latitude 42° 05' 36"N 42° 06' 17"N
Longitude 83° 09' 45"W 83° 09' 12"W
Elevation 577' 589'
Threshold Crossing Height 40 ft. AGL 40 ft. AGL
Visual Glide Path Angle 3.04° 3.04°
Visual Slope Indicator P4L P4L
Approach Lights
Centerline Lights No No
Runway End Identifier Lights Yes Yes

Runway 17/35

4424 ft. x 75 ft.
CONC  
Poor 
NONE 
MED 
 
40,000lbs 
55,000lbs 
90,000lbs 
-- 
  Runway 17 Runway 35
True Heading 167°347°
Traffic Pattern Left Right
Markings BSC BSC
Markings Condition FAIR FAIR
Latitude 42° 06' 18"N 42° 05' 35"N
Longitude 83° 10' 02"W 83° 09' 49"W
Elevation 581' 578'
Threshold Crossing Height 26 ft. AGL 20 ft. AGL
Visual Glide Path Angle 3° 3°
Visual Slope Indicator P4L P4L
Approach Lights
Centerline Lights No No
Runway End Identifier Lights No No

Runway H1

25 ft. x 25 ft.
 
CONC 
NONE 
 
 
-- 
-- 
-- 
-- 
  Runway H1 Runway
True Heading Not ListedNot Listed
Traffic Pattern
Markings
Markings Condition
Latitude 42° 06' 19"N N/A
Longitude 83° 09' 28"W N/A
Elevation 595' --
Threshold Crossing Height -- --
Visual Glide Path Angle -- --
Visual Slope Indicator -- --
Approach Lights
Centerline Lights
Runway End Identifier Lights

Runway H2

25 ft. x 25 ft.
 
CONC 
NONE 
 
 
-- 
-- 
-- 
-- 
  Runway H2 Runway
True Heading Not ListedNot Listed
Traffic Pattern
Markings
Markings Condition
Latitude 42° 06' 19"N N/A
Longitude 83° 09' 27"W N/A
Elevation 594' --
Threshold Crossing Height -- --
Visual Glide Path Angle -- --
Visual Slope Indicator -- --
Approach Lights
Centerline Lights
Runway End Identifier Lights
A110-1BIRDS & DEER ON & INVOF ARPT.
A110-2ULTRALIGHT & PWRD PRCHT ACT INVOF ARPT.
A110-4FOR CD CTC DETROIT APCH AT 734-955-1404.
A26ARPT CLSD TO ACR OPS GTR THAN 30 PAX SEATS EXC PPR CALL AMGR.
A33-17/35_CONDEXTSV PEELING & CRACKING - FOD HAZ.
A57-22APCH RATIO 20:1 TO DTHR.
A81-APTACTVT REIL RWY 04 & 22; PAPI RWY 04, 22, 17, & 35; MIRL RWY 04/22 & 17/35 - CTAF.
GROSSE ILE MUNI (ICAO: KONZ, IATA: ONZ) is a public airport located in DETROIT/GROSSE ILE, MI, US.