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KONZ Grosse Ile Municipal Airport

· 2 miles S of central business district of the associated city

Public Non-towered Publicly-owned ICAO KONZ

Location & operations

Elevation
590.5 ft
Coordinates
42-05-56.6810N 083-09-41.2560W
Lat / Long
42.0990781, -83.16146
Mag. variation
07W (2010)
Time zone
UTC -4 (UTC -5 during Standard Time)
Activated
05/1941
ARTCC
CLEVELAND CENTER
FSS
LANSING FLIGHT SERVICE STATION
NOTAMs facility
ONZ (NOTAM-D service available)
Attendance
MON-FRI 0800-1800, ALL SAT-SUN PRIOR ARNGMT
Wind indicator
lighted
Segmented circle
yes
Beacon
white-green (lighted land airport) Operates sunset to sunrise.
Lights
ACTVT REIL RWY 04 & 22; PAPI RWY 04, 22, 17, & 35; MIRL RWY 04/22 & 17/35 - CTAF.

Airport location no published diagram

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Range from KONZ

Runways

Longest 4846 ft

Tap a runway to see its details.

Dimensions
4846 x 100 ft. / 1477 x 30 m
Surface
asphalt, in good condition
Edge lights
medium intensity
Weight bearing
Single wheel 66.0

Runway 4

Heading
037 magnetic, 030 true
VGSI / PAPI
4-light PAPI on left (3.04 degrees glide path)
Markings
nonprecision, in good condition
Displaced threshold
no
Touchdown point
yes, no lights
REIL
yes
Traffic pattern
right
Threshold elevation
576.8 ft.
Obstructions
37 ft. tree, 790 ft. from runway, 308 ft. left of centerline, 15:1 slope to clear

Runway 22

Heading
217 magnetic, 210 true
VGSI / PAPI
4-light PAPI on left (3.04 degrees glide path)
Markings
nonprecision, in good condition
Displaced threshold
428 ft.
Touchdown point
yes, no lights
REIL
yes
Traffic pattern
left
Threshold elevation
589.3 ft.
Obstructions
65 ft. trees, 1010 ft. from runway, 344 ft. left of centerline, 12:1 slope to clear
Dimensions
25 x 25 ft. / 8 x 8 m
Surface
concrete
Edge lights
medium intensity
Weight bearing
Single wheel 40.0

Runway 17

Heading
174 magnetic, 167 true
VGSI / PAPI
4-light PAPI on left (3.00 degrees glide path)
Markings
basic, in fair condition
Displaced threshold
672 ft.
Touchdown point
yes, no lights
REIL
no
Traffic pattern
left
Threshold elevation
594.0 ft.
Obstructions
80 ft. trees, 1180 ft. from runway, 40 ft. right of centerline, 12:1 slope to clear

Runway 35

Heading
354 magnetic, 347 true
VGSI / PAPI
4-light PAPI on left (3.00 degrees glide path)
Markings
basic, in fair condition
Displaced threshold
no
Touchdown point
yes, no lights
REIL
no
Traffic pattern
left
Threshold elevation
578.3 ft.
Obstructions
none

Terminal procedures FAA d-TPP · cycle 2608 · through 0901Z 09/03/26

Procedure charts published by the FAA (public domain). Confirm the current cycle before flight.

Communications

Control Tower
no
Ctaf/unicom
123.0
Wx Awos-3p
119.675 (734-692-9686)
Detroit Approach
134.3
Detroit Departure
134.3

Services

Fuel
100LL JET-A
Fuel available
100LL JET-A
Parking
hangars and tiedowns
Airframe service
MAJOR
Powerplant service
MAJOR
Bottled oxygen
NONE
Bulk oxygen
NONE

Airport data aggregated from public FAA/AirNav sources for reference only — always consult official charts and NOTAMs for flight planning.