Georgetown Executive Airport at Johnny Gantt Field

GTU · KGTU · Georgetown, TX · 790 ft elevation · var 6E · Towered

Overview Weather Runways Comms & NavAids Charts Services & info

Airport information

ICAO / IATA: KGTU
Coordinates: 30.6775, -97.6785
Elevation: 790 ft MSL
Magnetic variation: 6E
Sectional chart: SAN ANTONIO
Airport use: Public
Control tower: Yes
Tower hours: 0700-2200
Airspace: Class D · CLASS D SVC 0700-2200; OTHER TIMES CLASS E
Weather station: AWOS-3PT · 118.6 · ☎ 512-869-3430
ARTCC: HOUSTON (ZHU)
Flight service (FSS): SAN ANGELO · 1-800-WX-BRIEF
NOTAM facility: GTU
Attendance: ALL 0700-1900
Beacon: white-green (SS-SR)
Segmented circle: Yes
Wind indicator: lighted
Activated: 1945/10
Distance from city: 3 N

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	06:01 AM	11:01Z
Sunrise	06:29 AM	11:29Z
Sunset	08:37 PM	01:37Z
Evening civil twilight Loggable night begins	09:04 PM	02:04Z

Loggable night (§1.1)

09:04 PM → 06:01 AM

Night currency (§61.57)

09:37 PM → 05:29 AM

Plan a flight from KGTU

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: AFT TWR HRS, MIRL RWY 18/36 PRESET LOW INTST; TO INCR INTST & ACTVT REILS RWY 18 & 36; MIRL RWY 11/29 - CTAF. on 120.225 — Chart Supplement ↗

Runway lighting aids — 18: 4-light PAPI (left) · 36: 4-light PAPI (left).

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 11 · 115°
Pattern: left (turns left)
TPA: 1,800 ft MSL (≈1,000 AGL)
CTAF: 120.225

Enter the left downwind for Rwy 11 at 1,800 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).

Runway 11/29

4,099 ft × 75 ft · Asphalt (Excellent)

Edge lights: Med. Weight bearing: Single wheel 12.5k.

Heading: 115° mag · 121° true
Threshold elev: 789 ft
Markings: nonprecision
Traffic pattern: Left
Approach obstacle: Tree, 35 ft, 390 ft from threshold, 270 ft L of centerline — 5:1 slope to clear · penetrates the 20:1 visual approach surface
TDZ elevation: 790 ft

Heading: 295° mag · 301° true
Threshold elev: 759 ft
Markings: nonprecision
Traffic pattern: Right
Approach obstacle: Tree, 30 ft, 210 ft from threshold, 214 ft L of centerline
TDZ elevation: 777 ft

Runway 18/36

5,004 ft × 100 ft · Asphalt (Good)

Edge lights: Med. Surface: Grooved. Weight bearing: Single wheel 30k, Double wheel 60k.

Heading: 178° mag · 184° true
Threshold elev: 786 ft
Markings: nonprecision
VGSI: 4-light PAPI (left) (3°)
Traffic pattern: Left
Approach obstacle: Trees, 35 ft, 445 ft from threshold, 275 ft R of centerline — 7:1 slope to clear · penetrates the 20:1 visual approach surface
Threshold crossing height: 35 ft
TDZ elevation: 786 ft
End lights: REIL

Heading: 358° mag · 4° true
Threshold elev: 748 ft
Markings: nonprecision
VGSI: 4-light PAPI (left) (3°)
Traffic pattern: Right
Approach obstacle: Trees, 34 ft, 1,170 ft from threshold, 30 ft R of centerline — 28:1 slope to clear
Threshold crossing height: 50 ft
TDZ elevation: 765 ft
End lights: REIL

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
11/29	4,099 ft
18/36	5,004 ft

Communication frequencies

Tower & ground · “Georgetown”

ATIS	118.6
Clearance	119.125 · 121.1 (WHEN GTU TWR CLSD)
Ground	119.125
Tower	120.225
CTAF	120.225
UNICOM	123.0

Approach & departure · “Austin”

App/Dep	119.0	KALLA · SZAGI arrivals; AEROZ · BNDIA · ELOEL +3 more departures

ATC assigns the exact frequency (in your clearance or on handoff) — which one depends on your SID (departing) or STAR (arriving).

By procedure & sector (6 frequencies)

Frequency	Used by
118.15	SZAGI STAR (SFC-7000 FT)
119.0	AEROZ DP · BNDIA DP · ELOEL DP · ILEXY DP · KALLA STAR · MUCKY DP · SAYBR DP · SZAGI STAR (8,000-12,000 FT)
127.225	POTRR STAR
317.65	POTRR STAR
350.25	SZAGI STAR (SFC-7000 FT)
370.85	AEROZ DP · APCH/P DEP/P · BNDIA DP · ELOEL DP · ILEXY DP · KALLA STAR · MUCKY DP · SAYBR DP · SZAGI STAR (8,000-12,000 FT)

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

Nearby navigation aids

NavAid	Type	Freq	Radial / Dist magnetic
CWK · Centex	VORTAC	112.80	r331° / 19.5 NM
GRK · Gray	VOR-DME	111.80	r155° / 22.4 NM
TPL · Temple	VOR-DME	110.40	r193° / 34.5 NM
AGJ · Gooch Springs	VORTAC	112.50	r136° / 38.7 NM
LZZ · Lampasas	VORTAC	112.50	r134° / 38.7 NM

Airport diagram

Open PDF ↗

Preview diagram

Procedures at a glance

⚠ Hot spots published at this airport — review the hot-spot chart before you taxi ↗

Lowest mins: RNAV (GPS) · vertical guidance Takeoff mins / ODP ↗ Non-std alternate mins ↗

Approaches4

Departures

Arrivals

Minimums & Hot Spots

Chart Supplement FAA A/FD

Open PDF ↗

Preview Chart Supplement

VFR sectional

Open KGTU on the VFR sectional (SkyVector) ↗

Services

Fuel available: 100LL, Jet A-1 (additive)
Bottled oxygen: HIGH/LOW
Bulk oxygen: HIGH/LOW
Airframe service: MAJOR
Powerplant service: MAJOR
Parking: tiedowns, hangars
Other services: Air ambulance, Avionics, Instruction, Rental, Aircraft sales

Ownership & management

Owner

CITY OF GEORGETOWN

PO BOX 409, GEORGETOWN, TX

512-930-3666

Manager

MATTHEW SOMMERFELD

500 TERMINAL DRIVE, GEORGETOWN, TX

512-930-8464

Remarks FAA

MIL FIELD PRIOR TO 1940.
DEER ON & INVOF ARPT.
MIL HEL OPNS PROHIBITED BTN 2100-0700.
PTN OF TWY F NOT VISIBLE FM TWR.
FOR CD CTC AUSTIN APCH AT 512-369-7865.
RWY 18/36 HEL SKID LDG PROHIBITED TO PREVENT DMG TO GROOVED SFC.
AFT TWR HRS, MIRL RWY 18/36 PRESET LOW INTST; TO INCR INTST & ACTVT REILS RWY 18 & 36; MIRL RWY 11/29 - CTAF.
8 FT FENCE 199 FT DSTC, 246 FT L.

Nearby airports

0XA7 · Bar 3 Ranch AirportPrivate (3 NM)60XA · Skyline Ranch AirportPrivate (5 NM)30TA · Tri-Modal Air ParkPrivate (6 NM)07TS · Cross-Country Estates AirportPrivate (6 NM)05TE · Hilde-Griff FieldPrivate (6 NM)40TE · Sybert Farm AirportPrivate (7 NM)

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 KGTU 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 KGTU

Georgetown Executive Airport at Johnny Gantt Field (GTU · KGTU) is an airport in Georgetown, TX, at 790 ft MSL. It has 2 runways, the longest 5,004 ft, with a control tower. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KGTU, refreshed from the Aviation Weather Center and FAA NASR.

Does KGTU have a control tower?

Yes. Georgetown Executive Airport at Johnny Gantt Field has an operating FAA control tower. Check the Comms & NavAids tab for tower and ground frequencies.

What is the longest runway at KGTU?

Georgetown Executive Airport at Johnny Gantt Field has 2 runways; the longest is 5,004 ft. See the Runways tab for headings, surface, and lighting.

Where is KGTU?

Georgetown Executive Airport at Johnny Gantt Field is in Georgetown, TX, at an elevation of 790 ft MSL. Coordinates: 30.6775, -97.6785.

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