Grosse Ile Municipal Airport (ONZ)

Location & QuickFacts

FAA Information Effective	2026-07-09
Airport Identifier	ONZ
Airport Status	Operational
Longitude/Latitude	83°9'41.2560" W / 42°5'56.6810" N -83.161460 / 42.099078 (Estimated)
Elevation	590.50 ft / 179.98 m (Surveyed)
Land	607 acres
From nearest city	2 nautical miles S of Detroit/grosse Ile, MI
Location	Wayne County, MI
Magnetic Variation	07W (2010)

Owner & Manager

Ownership	Publicly owned
Owner	TOWNSHIP OF GROSSE ILE
Address	PO BOX 129 PO BOX 129 GROSSE ILE, MI 48138
Phone number	734-675-0155
Manager	JANEL MACNEE
Address	P.O. BOX 129 PO BOX 129 GROSSE ILE, MI 48138
Phone number	734-675-0155

Airport Operations and Facilities

Airport Use	Open to public
Wind indicator	Yes
Segmented Circle	Yes
Control Tower	NON-ATCT
Lighting Schedule	SEE RMK
Beacon Color	White-Green (lighted land airport)
Landing fee charge	No
Sectional chart	DETROIT
Region	AGL - Great Lakes
Responsible ARTCC	ZOB - CLEVELAND
Tie-in FSS	LAN - LANSING
FSS on Airport	No
FSS Toll Free	1-800-WX-BRIEF
NOTAMs Facility	ONZ (NOTAM-d service available)

Airport Communications

CTAF	123.0 MHz
UNICOM	123.0 MHz
AWOS-3P	ONZ (734-692-9686)

Airport Services

Fuel types	100LL,A
Airframe repair	MAJOR
Power plant repair	MAJOR
Bottled oxygen	NONE
Bulk oxygen	NONE
Transient storage	Hangar, Tiedown
Other services	CHTR,INSTR,RNTL

Runway Information

Runway 04/22

Dimensions	4846 x 100 ft (1477 x 30 m)
Surface	ASPH (GOOD)
Surface treatment
Edge lights	Medium

	04	22
Alignment	30°	210°
Physical elevation	576.80 ft	589.30 ft
Coordinates	42.093354 / -83.162370	42.104829 / -83.153350
Traffic pattern	Right	Left
Runway marking	Non-precision instrument , Good Condition	Non-precision instrument , Good Condition
VGSI	4-light PAPI on left	4-light PAPI on left
Runway end lights	Yes	Yes
CL lights	No	No
TDZ lights	No	No

Runway 17/35

Dimensions	4424 x 75 ft (1348 x 23 m)
Surface	CONC (POOR)
Surface treatment
Edge lights	Medium

	17	35
Alignment	167°	347°
Physical elevation	581.30 ft	578.30 ft
Coordinates	42.104972 / -83.167268	42.093154 / -83.163538
Traffic pattern	Left	Right
Runway marking	Basic , Fair Condition	Basic , Fair Condition
VGSI	4-light PAPI on left	4-light PAPI on left
Runway end lights	No	No
CL lights	No	No
TDZ lights	No	No

Runway H1

Dimensions	25 x 25 ft (8 x 8 m)
Surface	CONC
Surface treatment

	H1
Physical elevation	595.00 ft	ft
Coordinates	42.105322 / -83.157856	0.000000 / 0.000000
Traffic pattern	Left	Left

Runway H2

Dimensions	25 x 25 ft (8 x 8 m)
Surface	CONC
Surface treatment

	H2
Physical elevation	594.00 ft	ft
Coordinates	42.105308 / -83.157494	0.000000 / 0.000000
Traffic pattern	Left	Left

Radio Navigation Aids

ID	Type	Name	Ch	Freq	Var	Dist
PSI	DME	PONTIAC	47X	111.00		39.7 nm
ADG	NDB	ADRIAN		278.00	06W	43.2 nm
TO	NDB	TOPHR		219.00	05W	47.3 nm
MTC	TACAN	SELFRIDGE	64X	133.70	06W	34.2 nm
TOL	TACAN	TOLEDO	72X	112.50	05W	41.7 nm
DXO	VOR/DME	DETROIT	81X	113.40	06W	11.4 nm
CRL	VOR/DME	CARLETON	104X	115.70	03W	13.6 nm
SVM	VORTAC	SALEM	90X	114.30	03W	26.8 nm
DTW	VOT	DETROIT MET WAYNE		109.80		11.9 nm
YIP	VOT	WILLOW RUN		108.85		18.0 nm
DET	VOT	DETROIT CITY		111.60		19.5 nm

Remarks

• BIRDS & DEER ON & INVOF ARPT.
• ULTRALIGHT & PWRD PRCHT ACT INVOF ARPT.
• FOR CD CTC DETROIT APCH AT 734-955-1404.