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

KONZ
GROSSE ILE MUNI
PublicPUB

2 miles S of DETROIT/GROSSE ILE, MI
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LiveATC.net: Live Air Traffic - From Their Headsets to You
Operational
42° 05' 57"N 83° 09' 41"W
590' MSL
1590' MSL
07W
JET A, 100LL
LANSING (LAN)
DETROIT
CLEVELAND (ZOB)
2/20/25-3/20/25
KONZ VFR
10:15 AM EDT  
Clear
10sm
41°F
30°F
29.97"Hg
280° 8kts
AO2
KONZ 091415Z AUTO 28008KT 10SM CLR 05/M01 A2997 RMK AO2
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KONZ FBOs

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Millennium Flight
UNICOM: 123.0
Phone: (734) 692-6424
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Grosse Ile Municipal Airport
UNICOM: 123.0
Phone: (734) 675-0155
Other: (734) 692-6424
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Phillips 66
As of 2/25
 100LL JET A JET A (FSII) MOGAS UL94
Self Serve 5.70 4.76
Full Serve 5.70 4.76
Fuel Notes
Prices include tax
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Terminal Area Forecast

KDTW (11nm)
Sun, 3/9 7:20 AM EDT
Sun, 3/9 8:00 AM EDT - Mon, 3/10 2:00 PM EDT
VFR
8:00 AM EDT - 12:00 PM EDT
Scattered 25,000'
6sm
240° 7kts
VFR
12:00 PM EDT - 10:00 PM EDT
Few 15,000'
6sm
250° 11kts
Gusts 25kts
VFR
10:00 PM EDT - 3:00 AM EDT
Sky Clear
6sm
240° 9kts
Shear 250° 45kts @ 2000'
VFR
3:00 AM EDT - 2:00 PM EDT
Sky Clear
6sm
260° 5kts
KDTW 091120Z 0912/1018 24007KT P6SM SCT250
   FM091600 25011G25KT P6SM FEW150
   FM100200 24009KT P6SM SKC WS020/25045KT
   FM100700 26005KT P6SM SKC
KONZ
Domestic
3/4/250001Z !ONZ 03/001 ONZ OBST TOWER LGT (ASR 1006094) 421005.00N0831254.00W (4.8NM NNW ONZ) 1305.1FT (710.0FT AGL) U/S 2503040001-2504180001
2/21/251423Z !ONZ 02/045 ONZ AD AP ALL SFC WIP SN REMOVAL 2502211423-2503212359
1/30/251705Z !ONZ 01/038 ONZ OBST TOWER LGT (ASR 1029785) 420110.00N0831416.00W (5.9NM SW ONZ) 993.8FT (403.9FT AGL) U/S 2501301705-2503311200
10/11/241145Z !ONZ 10/004 ONZ RWY 04 RWY END ID LGT U/S 2410111145-2504112111EST
10/1/241917Z !ONZ 10/001 ONZ RWY 04 PAPI UNUSABLE 2410011917-2504012111EST
5/1/241751Z !ONZ 05/002 ONZ AD AP WILDLIFE HAZARD NEAR MOV AREAS
2405011751-2505012359
5/1/241750Z !ONZ 05/001 ONZ RWY 17/35 CLSD 2405011750-2505012359
FDC
12/26/240553Z !FDC 4/0820 ONZ IAP GROSSE ILE MUNI, DETROIT/GROSSE ILE, MI.
NDB RWY 4, AMDT 2...
NOTE: CIRCLING RWY 22 NA AT NIGHT. DISREGARD NOTE: VISIBILITY REDUCTION BY HELICOPTERS NA. NOTE: RWY 4 HELICOPTER VISIBILITY REDUCTION BELOW 3/4 SM NA.
2412260553-2612250553EST
12/26/240545Z !FDC 4/0818 ONZ IAP GROSSE ILE MUNI, DETROIT/GROSSE ILE, MI.
RNAV (GPS) RWY 4, ORIG-A...
NOTE: CIRCLING RWY 22 NA AT NIGHT.
2412260545-2612250545EST
11/4/242127Z !FDC 4/8798 ONZ IAP GROSSE ILE MUNI, DETROIT/GROSSE ILE, MI.
RNAV (GPS) RWY 4, ORIG-A...
CHANGE MISSED APPROACH INSTRUCTIONS TO READ: CLIMB TO 2500 DIRECT UFDIV AND HOLD. TEMPORARY CRANE 1449FT MSL 11.3NM NE OF RWY 22 (2024-AGL-8166-OE).
2411042127-2510152127EST
11/4/242127Z !FDC 4/8797 ONZ IAP GROSSE ILE MUNI, DETROIT/GROSSE ILE, MI.
RNAV (GPS) RWY 22, AMDT 1A...
HOLD IN LIEU OF PT (UFDIV IF/IAF) MINIMUM ALTITUDE 2500. INTERMEDIATE FIX CROSSING ALTITUDE AT UFDIV 2500. INITIAL SEGMENT YEGHI (IAF) TO UFDIV (IF/IAF) MINIMUM ALTITUDE 2500. TEMPORARY CRANE 1449FT MSL 11.3NM NE OF RWY 22 (2024-AGL-8166-OE).
2411042127-2510152127EST
5/28/241639Z !FDC 4/9668 ONZ IAP GROSSE ILE MUNI, DETROIT/GROSSE ILE, MI.
VOR-A, AMDT 7...
NOTE: CIRCLING RWY 22 NA AT NIGHT.
2405281639-2605281639EST
4/4/242337Z !FDC 4/7158 ONZ IAP GROSSE ILE MUNI, DETROIT/GROSSE ILE, MI.
VOR-A, AMDT 7...
PROCEDURE NA.
2404042337-2611142337EST
10/23/231632Z !FDC 3/9569 ONZ IAP GROSSE ILE MUNI, DETROIT/GROSSE ILE, MI.
RNAV (GPS) RWY 22, AMDT 1A...
VDP NA.
NOTE: STRAIGHT-IN RWY 22 NA AT NIGHT; CIRCLING RWY 22 NA AT NIGHT. NOTE: RWY 22 HELICOPTER VISIBILITY REDUCTION BELOW 1 SM NA.
2310231632-2510231632EST
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
0
0
0
0
0
0
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 95°275°
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 95°275°
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.
GROSSE ILE MUNI (ICAO: KONZ, IATA: ONZ) is a public airport located in DETROIT/GROSSE ILE, MI.