Gratiot Community Airport
AMN · KAMN · Alma, MI · Non-towered · Print kneeboard
Nearby now
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 09:29 PM
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:00 AM | 10:00Z |
| Sunrise | 06:32 AM | 10:32Z |
| Sunset | 08:57 PM | 00:57Z |
| Evening civil twilight Loggable night begins | 09:29 PM | 01:29Z |
Plan a flight from KAMN
Past 24 hours category · wind · ceiling · visibility trends
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Density altitude today projected curve · departure window · takeoff roll
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 18LEFT traffic
- Heading
- 185° mag · 180° true
- Dimensions
- 3,198 × 75 ft
- TPA
- 1,800 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- CTAF
- 122.8
Enter the left downwind (heading 005°) on the 45° at 1,800 ft MSL (≈1,000 AGL).
More details — RWY 18
- Threshold elev
- 753 ft
- Markings
- nonprecision
- Approach obstacle
- Tree, 56 ft, 1,119 ft from threshold, 383 ft L of centerline — 16:1 slope to clear · penetrates the 20:1 visual approach surface
- TDZ elevation
- 754 ft
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 09/27 | 5,004 ft | |
| 18/36 | 3,198 ft |
Prefer one flat page? Full runway details for KAMN → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KAMN kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
Taxi & takeoff
Departure & arrival
“Great Lakes”Also
ATC assigns the exact frequency (in your clearance or on handoff) — which one depends on your SID (departing) or STAR (arriving).
By procedure & sector (2 frequencies)
| Frequency | Used by |
|---|---|
| 235.625 | APCH/P DEP/P |
| 348.75 | FLINT RCAG (LOW) |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
MBS 114.35
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| MBS · Saginaw | VOR/DME | 114.35 · 90Y | Low | r248° / 29.5 NM |
Prefer one flat list? All KAMN frequencies →
Charts & procedures
Lowest minimums here: RNAV (GPS) with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KAMN, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
Airport information
- ICAO / IATA
- KAMN / AMN
- Coordinates
- 43.3221, -84.6880
- Elevation
- 754 ft MSL
- Magnetic variation
- 5W
- Sectional chart
- DETROIT
- Airport use
- Public
- Control tower
- No
- Weather station
- AWOS-3P · 124.175 · ☎ 989-463-3433
- ARTCC
- CLEVELAND (ZOB)
- Flight service (FSS)
- LANSING · 122.2 · 1-800-WX-BRIEF
- NOTAM facility
- AMN
- Attendance
- MON-SAT 0830-1430
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Distance from city
- 3 SW
Activity & hazards NASR
- Aerobatic Practice — to 8000AGL · SUNRISE TO SUNSET.
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- ACTVT REIL RWY 09 & 27; PAPI RWY 09 & 27; MIRL RWY 09/27 & 18/36 - CTAF. on 122.8 — Chart Supplement ↗
Runway lighting aids — 09: 4-light PAPI (left) · 27: 4-light PAPI (left).
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Fuel available
- 100LL, Jet A (additive)
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Parking
- tiedowns, hangars
- Other services
- Instruction, Rental
Ownership & management 2 contacts
Remarks FAA · 4 notes
General
- DEER & LRG BIRDS ON & INVOF ARPT.
- ADMIN BLDG ACES, PRESS V, THEN III & II SIMUL, THEN I.
- FOR CD CTC GREAT LAKES APCH AT 269-459-3345, WHEN APCH CLSD CTC CLEVELAND ARTCC AT 440-774-0224/0490.
Lighting
- ACTVT REIL RWY 09 & 27; PAPI RWY 09 & 27; MIRL RWY 09/27 & 18/36 - CTAF.
Embed KAMN weather on your site free widget for schools, clubs & FBOs
Live METAR, flight category, and favored runway for KAMN — paste this into your website's HTML. It updates automatically and stays free.
More widgets — crosswind, E6B, density altitude — on the embed page.
Nearby airports
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Also nearby: 68R Hamp Airport (7 NM) · 47G Mayes Airport (10 NM) · 2MI3 Somers Lane Airport (private) (11 NM) · 39T Tripp Creek Airport (18 NM) · 53W Woodruff Lake Airport (19 NM)
About KAMN
Gratiot Community Airport (AMN · KAMN) is an airport in Alma, MI, at 754 ft MSL. It has 2 runways, the longest 5,004 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KAMN, refreshed from the Aviation Weather Center and FAA NASR.
Does KAMN have a control tower?
No. Gratiot Community Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at KAMN?
Gratiot Community Airport has 2 runways; the longest is 5,004 ft. See the Runways section for headings, surface, and lighting.
Where is KAMN?
Gratiot Community Airport is in Alma, MI, at an elevation of 754 ft MSL. Coordinates: 43.3221, -84.6880.
Fly out of KAMN often?
Save KAMN as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open KAMN in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.