GROSSE ILE MUNI (KONZ)

Detroit/Grosse Ile, Michigan · Wayne County · 2 miles S of city

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Airport information

FAA identifierONZ

ICAO identifierKONZ

Elevation590.5 ft MSL

Latitude42.09908° N

Longitude83.16146° W

Magnetic variation7W

NPIAS categoryReliever · Local

Based aircraft76

Planned development (2025–29)$11,783,000

Sectional chartDETROIT

ARTCCCleveland Center

Flight ServiceLansing

OwnershipPublicly owned

UseOpen to the public

Activated1941/05

Fuel available100LL, A

TowerNON-ATCT

BeaconWG

Landing feeNo

Wind indicatorYes

NOTAM facilityONZ

AttendedALL / MON-FRI / 0800-1800; ALL / SAT-SUN / PRIOR ARNGMT

ManagerJanel Macnee

Manager phone734-675-0155

Runways

Runway	Dimensions	Surface	Details
04/22	4,846 × 100 ft	Asphalt (good)	04: right pattern, P4L · 22: P4L, displaced 428 ft
17/35	4,424 × 75 ft	Concrete (poor)	17: P4L, displaced 672 ft · 35: right pattern, P4L
H1	25 × 25 ft	Concrete	—
H2	25 × 25 ft	Concrete	—

Radio frequencies

Use	Frequency	Call
APCH/P DEP/P	134.3	—
APCH/P DEP/P	284.0	—
CTAF	123.0	—
UNICOM	123.0	—

Weather stations

AWOS-3P · 734-692-9686

Airport remarks

ARPT CLSD TO ACR OPS GTR THAN 30 PAX SEATS EXC PPR CALL AMGR.
BIRDS & DEER ON & INVOF ARPT.
ULTRALIGHT & PWRD PRCHT ACT INVOF ARPT.
FOR CD CTC DETROIT APCH AT 734-955-1404.
ACTVT REIL RWY 04 & 22; PAPI RWY 04, 22, 17, & 35; MIRL RWY 04/22 & 17/35 - CTAF.
APCH RATIO 20:1 TO DTHR.
EXTSV PEELING & CRACKING - FOD HAZ.

Data from the FAA National Airspace System Resources (NASR) 28-day subscription. For flight planning, always consult current official publications, NOTAMs, and charts.

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