AirportLookupSim Database

Reference only — not for real-world navigation.

KONZ

Grosse Ile Municipal Airport · Detroit/Grosse Ile

Key Facts

Essential technical summary for MSFS 2020/2024 and X-Plane.

ILS Approach StatusILS DATA NOT IN DATABASE

Field Elevation

591 ft / 180 m

Transition Altitude

18,000 ft

Primary Channel

APP 134.30 MHz (DETROIT APP)

Live Conversion

inHg

hPa

Details Runways Frequencies Navaids Nearby

Runway Summary (Quick-Links)

04/22 · 4,846 ft · ConcreteLIGHTED 17/35 · 4,425 ft · ConcreteLIGHTED

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Welcome to the technical flight briefing for Grosse Ile Municipal Airport (KONZ), located in Detroit/Grosse Ile, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 2 active runways with a maximum elevation of 591 ft. Please note that this field primarily supports VFR and visual approach procedures.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.

Airport Details

Full geographical and organizational metadata.

Full Name

Grosse Ile Municipal Airport

ICAO / IATA

KONZ / —

Municipality

Detroit/Grosse Ile

Country

US — United States

Region

US-MI — Michigan

GPS Coordinates

📍 42.099098, -83.161499 🗺️

Transition Altitude

18,000 ft

Elevation

591 ft

Wikipedia

Pilot Toolbox

External charts, live tracking and weather reports.

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Runways & ILS Approach Data

Detailed dimensions and instrument landing frequencies.

Runway 04 / 22

LIGHTED

Runway Length: 4,846 ft / 1,477 m
Runway Width: 100 ft / 30 m
Surface Type: Concrete
Heading: 30° / 210°

RWY 04 (30°)

No ILS / Visual Only

RWY 22 (210°)

No ILS / Visual Only

Runway 17 / 35

LIGHTED

Runway Length: 4,425 ft / 1,349 m
Runway Width: 75 ft / 23 m
Surface Type: Concrete
Heading: 167° / 347°

RWY 17 (167°)

No ILS / Visual Only

RWY 35 (347°)

No ILS / Visual Only

Nearby Navaids

Ground-based navigation aids (VOR, NDB, DME) in the vicinity or associated with this airport.

RYS · NDB (Grosse Ile)419 kHz

42.101200, -83.153000 · 577 ft

CRL · VORTAC (Carleton)115,700 kHz

42.048100, -83.457603 · 630 ft

YI · NDB (Yipps)359 kHz

42.174198, -83.621498 · 0 ft

DT · NDB (Revup)388 kHz

42.120098, -83.431702 · 631 ft

DM · NDB (Spenc)223 kHz

42.220001, -83.203300 · 0 ft

DXO · VOR-DME (Detroit)113,400 kHz

42.213100, -83.366699 · 638 ft

VQ · NDB (Cargl)230 kHz

42.356300, -82.954201 · 580 ft

YQG · VOR-DME (Windsor)113,800 kHz

42.249802, -82.828796 · 620 ft

QG · NDB (Windsor)353 kHz

42.312801, -82.868500 · 0 ft

ZQG · NDB (Laurel)398 kHz

42.243900, -83.047501 · 0 ft

Communication Frequencies

Air traffic control and advisory channels.

APP DETROIT APP

134.30 MHz

AWOS AWOS 3

119.67 MHz

DEP DETROIT DEP

134.30 MHz

RDO LANSING RDO

115.70 MHz

UNIC CTAF/UNICOM

123.00 MHz

Nearby Airports

Alternative airports in the vicinity (km & nm).

Detroit Metropolitan Wayne County Airport

Windsor Airport

Willow Run Airport

Coleman A. Young Municipal Airport

Selfridge Air National Guard Base Airport

Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026