Airports / Michigan / KONZ
Grosse Ile Municipal Airport.
Detroit, Michigan · 591 ft elevation. A private-aviation gateway on the Bravo register.
KONZ
ICAO identifier
0
Operators based
591
Elevation ft
FBOs on field
Field elevation
Nearest alternate
Field standing
11 nm
To the nearest alternate
Detroit Metropolitan Wayne County Airport (DTW), 6 fields within 50 nm.
Overview
Grosse Ile Municipal Airport (KONZ) is a general aviation field serving Detroit, Michigan. The airport sits 591 feet above sea level. With no scheduled airline service, it caters to private, charter, and general aviation traffic.
No charter operator is headquartered on the field, but operators routinely position aircraft into KONZ for departures. When weather or ramp space demands it, nearby options are Detroit Metropolitan Wayne County Airport (DTW, 11 nm), Windsor International Airport (YQG, 14 nm), and Willow Run Airport (YIP, 18 nm). With 2 runways, the longest 4,846-foot paved runway, KONZ can typically accommodate aircraft as large as midsize jets.
Charter pricing from KONZ depends on aircraft category, positioning distance, and trip timing. Compare rated operators or run a route through the cost estimator to gauge pricing from Detroit.
1 FBO serves KONZ. Run one? Become the preferred FBO
Ramp services
FBOs on the field
Grosse Ile Aviation
Your FBO? Claim it, free- Fuel
- Hangar
- Mon-Fri 09:00-17:00; airport attendance Mon-Fri 0800-1800, Sat-Sun prior arrangement
- Unicom 123.000
- Conference room
- Wi-Fi
- Vending
- Courtesy car
- Shuttle
- Car rental
- Hangar
- Maintenance
- +7 more
- Phone
- Website
- Address
Directory data, unpaid. FBOs can take the Preferred slot above.
Field capability
ICAO
KONZ
IATA
n/a
FAA / Local
KONZ
Elevation
591 ft
Coordinates
42.0991° N · 83.1615° W
Airspace
G · GolfClass G, GolfUncontrolled field, no tower. Pilots self-announce and sequence themselves on the common traffic advisory frequency.Source: FAA NASR class airspace
Size
Small
Scheduled svc
No
Elevation vs MI fields
state range 580–1,328 ft
At 591 ft, KONZ sits lower than 97% of the 66 Michigan fields on the register.
Runways & aircraft access
2 runways
longest 4,846 ft
- 044,846 ft × 100 ftAsphaltLighted
- 174,424 ft × 75 ftAsphaltLighted
Which aircraft can operate here
vs longest paved runway 4,846 ft
KONZ's 4,846 ft paved runway typically supports charter aircraft up to midsize jets.
- Turboprop3,000 ft
- Light Jet3,500 ft
- Midsize Jet4,500 ft
- Super-Midsize Jet5,000 ft
- Heavy Jet5,500 ft
- VIP Airliner6,000 ft
Class minimums are sea-level planning rules of thumb. A specific aircraft's balanced-field length varies with weight, temperature, and field elevation. Confirm performance with the operator.
Access & alternates
Closest alternate fields by great-circle distance, every listing links to its own field brief.
- 11nmDTWDetroit Metropolitan Wayne County AirportDetroit
- 14nmYQGWindsor International AirportWindsor
- 18nmYIPWillow Run AirportDetroit
- 20nmDETColeman A. Young Municipal AirportDetroit
- 34nmMTCSelfridge Air National Guard Base AirportMount Clemens
- 36nmPTKOakland County International AirportPontiac
Location
Open the full mapKONZ · Grosse Ile Municipal Airport · Detroit, MI
Flight times from here
Approximate nonstop block times from KONZ on a typical midsize charter jet. Faster classes trim these; add positioning and taxi for the real schedule.
| Destination | Distance | Block time |
|---|---|---|
| Chicago (ORD) | 212 nm | 54m |
| Washington DC (IAD) | 322 nm | 1h 9m |
| Nashville (BNA) | 394 nm | 1h 19m |
| New York (TEB) | 416 nm | 1h 22m |
| Boston (BED) | 527 nm | 1h 38m |
| Dallas (DAL) | 855 nm | 2h 23m |
| Palm Beach (PBI) | 938 nm | 2h 35m |
| Houston (HOU) | 950 nm | 2h 37m |
Common questions
- What size private jets can use KONZ?
- Grosse Ile Municipal Airport's longest paved runway is 4,846 ft, which typically supports charter aircraft up to midsize jets. Lighter classes (turboprops, light and midsize jets) operate comfortably; confirm exact performance for a specific tail with the operator, since balanced-field length shifts with weight, temperature, and elevation.
- What is the longest runway at KONZ?
- Grosse Ile Municipal Airport has 2 runways; the longest measures 4,846 ft on a paved surface and is lit for night operations.
- Which FBOs are at Grosse Ile Municipal Airport?
- One FBO serves KONZ: Grosse Ile Aviation. Phone, website, hours, unicom and services for each are listed on this page. Call ahead for fuel, ramp space, and ground handling.
- What is the nearest major airport to KONZ?
- The closest alternate is Detroit Metropolitan Wayne County Airport (DTW), about 11 nm away, followed by Windsor International Airport (YQG) at 14 nm. Operators often position aircraft between these fields depending on ramp space and availability.
- How long is a flight from KONZ to major cities?
- Typical block times on a midsize jet: Chicago about 54m (212 nm), Washington DC about 1h 9m (322 nm), Nashville about 1h 19m (394 nm). Faster classes trim these times; add positioning and taxi for the real schedule.