Alma, Michigan

KAMN Gratiot Community

Gratiot Community (KAMN) is a non-towered, public-use airport in Alma, Michigan, at 754.1 ft MSL. It has 2 runways: 09/27 (5,004 by 75 ft, asphalt), 18/36 (3,198 by 75 ft, asphalt). CTAF 122.8.

FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.

Airport

At a glance

Identifiers
ICAO KAMN, FAA AMN
Location
Alma, Michigan (Gratiot County). 3 NM SW of the city center
Elevation
754.1 ft MSL
Position
43.3221° N, 84.6879° W
Control tower
No, non-towered
Sectional chart
Detroit
Magnetic variation
5° W (1990)
Fuel
100LL, Jet A+
Ownership
Publicly owned, open to the public
Attendance
MON-SAT 0830-1430

2 runways

Runways

RunwayLength × widthSurfaceEdge lights
09/275,004 × 75 ftAsphalt, good conditionMedium intensity
18/363,198 × 75 ftAsphalt, good conditionMedium intensity

Runway ends and traffic pattern

EndPatternGlide slope lightsInstrumentDisplaced thresholdLanding distance
09Left traffic4-light PAPI, leftNone listedNone listedNot listed
27Left traffic4-light PAPI, leftNone listedNone listedNot listed
18Left trafficNone listedNone listedNone listedNot listed
36Left trafficNone listedNone listedNone listedNot listed

VHF

Frequencies

CTAF
122.8
Actvt Reil Rwy 09 & 27; Papi Rwy 09 & 27; Mirl Rwy 09/27 & 18/36 - Ctaf.
UNICOM
122.8
Approach / departure
126.45
"Great Lakes"

Weather station

AWOS-3P AMN
124.175

Before you go

Brief KAMN in Ascent EFB.

Current weather, NOTAMs and the airport diagram for Gratiot Community, in the app on iPhone and iPad.

Get Ascent on the App Store

Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.

Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.