Grantsburg Municipal Airport

GTG · KGTG · Grantsburg, WI · 927 ft elevation · var 0E · Non-towered

Overview Weather Runways Comms & NavAids Charts Services & info

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 · 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

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-22

Event	Local (CDT)	UTC
Morning civil twilight Loggable night ends	04:42 AM	09:42Z
Sunrise	05:21 AM	10:21Z
Sunset	09:04 PM	02:04Z
Evening civil twilight Loggable night begins	09:43 PM	02:43Z

Loggable night (§1.1)

09:43 PM → 04:42 AM

Night currency (§61.57)

10:04 PM → 04:21 AM

Plan a flight from KGTG

Destination (ICAO)

TAS (kt)Burn (gph)Reserve (hr)Wind from (°)Wind (kt)

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 in the live weather panel above.

Traffic pattern

Landing runway

LEFT traffic

Landing: Rwy 05 · 056°
Pattern: left (turns left)
TPA: 1,900 ft MSL (≈1,000 AGL)
CTAF: 122.9

Enter the left downwind for Rwy 05 at 1,900 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).

Runway 05/23

3,280 ft × 120 ft · Turf (Fair)

Heading: 056° mag · 56° true
Threshold elev: 924 ft
Traffic pattern: Left
TDZ elevation: 927 ft

Heading: 236° mag · 236° true
Threshold elev: 924 ft
Traffic pattern: Left
Approach obstacle: Trees, 30 ft, 225 ft from threshold, 125 ft R of centerline — 7:1 slope to clear · penetrates the 20:1 visual approach surface
TDZ elevation: 927 ft

Runway 12/30

2,999 ft × 60 ft · Asphalt (Poor)

Edge lights: Med.

Heading: 121° mag · 121° true
Threshold elev: 924 ft
Markings: nonprecision
Traffic pattern: Left
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

Heading: 301° mag · 301° true
Threshold elev: 924 ft
Markings: nonprecision
Traffic pattern: Left
Approach obstacle: Trees, 50 ft, 700 ft from threshold, 300 ft L of centerline — 10:1 slope to clear · penetrates the 20:1 visual approach surface
TDZ elevation: 927 ft

Will it fit? Your aircraft's required runway length (from the POH) — checked against every runway here

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Runway	Length	Your margin
05/23	3,280 ft
12/30	2,999 ft

Communication frequencies

Tower & ground

CTAF	122.9
Flight service	121.05 (LOW)

By procedure & sector (1 frequencies)

Frequency	Used by
235.775	PRINCETON RCAG (LOW)

Source: FAA NASR (current 28-day cycle).

Nearby navigation aids

NavAid	Type	Freq	Radial / Dist magnetic
RZN · Siren	VOR-DME	109.40	r262° / 12.2 NM

Procedures at a glance

Lowest mins: RNAV (GPS) · vertical guidance Takeoff mins / ODP ↗

Approaches2

Minimums & Hot Spots

TAKEOFF MINIMUMS ↗

Chart Supplement FAA A/FD

Open PDF ↗

Preview Chart Supplement

VFR sectional

Open KGTG on the VFR sectional (SkyVector) ↗

Services

Bottled oxygen: NONE
Bulk oxygen: NONE
Parking: tiedowns

Ownership & management

Owner

VILLAGE OF GRANTSBURG

316 S. BRAD ST, GRANTSBURG, WI

715-463-2405

Manager

SHEILA MEYER

316 S. BRAD ST, GRANTSBURG, WI

715-463-2405

Remarks FAA

EXISTED PRIOR TO 1959.
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.
ACTVT MIRL RWY 12/30 - CTAF.
EMAIL ADDRESS: OFFICE@VILLAGEOFGRANTSBURG.GOV
CLSD NOV 1 - APR 15.
MARKINGS FADED.
MARKINGS FADED.
RWY 05/23 MKD WITH YELLOW CONES.
NUMEROUS CRACKS AND VEGETATION IN PAVEMENT.

Nearby airports

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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.

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 on the Comms & NavAids tab.

What is the longest runway at KGTG?

Grantsburg Municipal Airport has 2 runways; the longest is 3,280 ft. See the Runways tab 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.

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