Grosse Ile Municipal Airport
KONZ has 2 runways. The longest is 4/22 at 4,846 ft × 100 ft (concrete).
FAA NASR data, cycle 2026-09-03
KONZ field elevation is 591 ft MSL. The standard traffic pattern altitude at KONZ is 1,590 ft MSL (1,000 ft AGL). Fuel available at KONZ: 100LL, Jet A.
FAA NASR data, cycle 2026-09-03
CTAF 123.0 MHz — KONZ is non-towered; self-announce position and intentions on CTAF.
Check KONZ against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
No, KONZ is a non-towered airport. The CTAF frequency is 123.0 MHz.
The AWOS frequency at KONZ (Grosse Ile Municipal Airport) is 119.675 MHz.
KONZ has 2 runways (4/22, 17/35). The longest runway is 4,846 feet.
Runway 4/22 is the longest at KONZ — 4,846 ft × 100 ft, concrete.
KONZ uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,590 feet MSL at a field elevation of 591 feet.
Yes. KONZ (Grosse Ile Municipal Airport) has 100LL, Jet A available. Call the field for hours, self-serve availability and price.
KONZ (Grosse Ile Municipal Airport) has a field elevation of 591 feet MSL.
KONZ (Grosse Ile Municipal Airport) is located in Detroit/Grosse Ile, MI.