Grantsburg Municipal Airport
GTG · KGTG · Grantsburg, WI · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-03 · night begins 09:11 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:22 AM | 10:22Z |
| Sunrise | 05:56 AM | 10:56Z |
| Sunset | 08:37 PM | 01:37Z |
| Evening civil twilight Loggable night begins | 09:11 PM | 02:11Z |
Plan a flight from KGTG
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 12LEFT traffic
- Heading
- 121° mag · 121° true
- Dimensions
- 2,999 × 60 ft
- TPA
- 1,900 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- CTAF
- 122.9
Enter the left downwind (heading 301°) on the 45° at 1,900 ft MSL (≈1,000 AGL).
More details — RWY 12
- Threshold elev
- 924 ft
- Markings
- nonprecision
- Approach obstacle
- Trees, 20 ft, 330 ft from threshold, 225 ft L of centerline — 6:1 slope to clear · penetrates the 20:1 visual approach surface
- TDZ elevation
- 927 ft
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 05/23 | 3,280 ft | |
| 12/30 | 2,999 ft |
Prefer one flat page? Full runway details for KGTG → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KGTG kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Also
By procedure & sector (1 frequencies)
| Frequency | Used by |
|---|---|
| 235.775 | PRINCETON RCAG (LOW) |
Source: FAA NASR (current 28-day cycle).
Prefer one flat list? All KGTG frequencies →
Charts & procedures
Lowest minimums here: RNAV (GPS) with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KGTG, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
Airport information
- ICAO / IATA
- KGTG / GTG
- Coordinates
- 45.7981, -92.6644
- Elevation
- 927 ft MSL
- Magnetic variation
- 0E
- Sectional chart
- GREEN BAY
- Airport use
- Public
- Control tower
- No
- ARTCC
- MINNEAPOLIS (ZMP)
- Flight service (FSS)
- GREEN BAY · 122.2 · 1-800-WX-BRIEF
- NOTAM facility
- GRB
- Attendance
- UNATNDD
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1946/10
- Distance from city
- 2 NE
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- ACTVT MIRL RWY 12/30 - CTAF. on 122.9 — Chart Supplement ↗
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
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Parking
- tiedowns
Ownership & management 2 contacts
Remarks FAA · 10 notes
General
- DEER & WATERFOWL ON AND INVOF ARPT.
- 1100 FT MSL/182 FT AGL WATER TWR LCTD 5060 FT SW RWY 05.
- FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.
Runways
- CLSD NOV 1 - APR 15.
- MARKINGS FADED.
- MARKINGS FADED.
- RWY 05/23 MKD WITH YELLOW CONES.
- NUMEROUS CRACKS AND VEGETATION IN PAVEMENT.
Lighting
- ACTVT MIRL RWY 12/30 - CTAF.
Contact
- EMAIL ADDRESS: OFFICE@VILLAGEOFGRANTSBURG.GOV
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Live METAR, flight category, and favored runway for KGTG — paste this into your website's HTML. It updates automatically and stays free.
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Nearby airports
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Also nearby: WS77 Circle T Airport (private) (7 NM) · 33MN Zenith Landing Airport (private) (15 NM) · 04W Field of Dreams Airport (17 NM) · 2WS2 Connor's Lake Landing (private) (17 NM)
About KGTG
Grantsburg Municipal Airport (GTG · KGTG) is an airport in Grantsburg, WI, at 927 ft MSL. It has 2 runways, the longest 3,280 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KGTG, refreshed from the Aviation Weather Center and FAA NASR.
Does KGTG have a control tower?
No. Grantsburg Municipal Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at KGTG?
Grantsburg Municipal Airport has 2 runways; the longest is 3,280 ft. See the Runways section for headings, surface, and lighting.
Where is KGTG?
Grantsburg Municipal Airport is in Grantsburg, WI, at an elevation of 927 ft MSL. Coordinates: 45.7981, -92.6644.
Fly out of KGTG often?
Save KGTG 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 KGTG 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.