Gary/Chicago International Airport

GYY · KGYY · Gary, IN · 591 ft elevation · var 2W · Towered

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Airport information

ICAO / IATA: KGYY / GYY
Coordinates: 41.6171, -87.4132
Elevation: 591 ft MSL
Magnetic variation: 2W
Sectional chart: CHICAGO
Airport use: Public
Control tower: Yes
ARTCC: CHICAGO (ZAU)
Flight service (FSS): TERRE HAUTE
NOTAM facility: GYY
Attendance: ALL ALL
Beacon: white-green (SS-SR)
Segmented circle: No
Wind indicator: lighted
Distance from city: 3 NW

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-20

Event	Local (CDT)	UTC
Morning civil twilight Loggable night ends	04:41 AM	09:41Z
Sunrise	05:15 AM	10:15Z
Sunset	08:27 PM	01:27Z
Evening civil twilight Loggable night begins	09:01 PM	02:01Z

Loggable night (§1.1)

09:01 PM → 04:41 AM

Night currency (§61.57)

09:27 PM → 04:15 AM

Plan a flight from KGYY

Destination (ICAO)

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

Runway 02/20

3,604 ft × 100 ft · Asphalt (Fair)

Edge lights: Med. Weight bearing: Single wheel 18k, Double wheel 28k.

Heading: 023° mag · 21° true
Markings: nonprecision
VGSI: 2-light PAPI (left) (3°)
Traffic pattern: Left

Heading: 203° mag · 201° true
Markings: nonprecision
VGSI: 2-light PAPI (left) (3°)
Traffic pattern: Left

Runway 12/30

8,859 ft × 150 ft · Concrete (Good)

Edge lights: High. Weight bearing: Single wheel 75k, Double wheel 157k, Dual tandem 175k, Double dual tandem 250k.

Heading: 126° mag · 124° true
Markings: precision
VGSI: 4-light PAPI (left) (3°)
Traffic pattern: Left

Heading: 306° mag · 304° true
Markings: precision
VGSI: 4-light PAPI (left) (3°)
Approach lights: MALSR
Instrument approach: ILS/DME
Traffic pattern: Left
Displaced threshold: 900 ft

Communication frequencies

Service	Frequency	Notes
A/D	133.1	CHICAGO APP/DEP
ATIS	120.625
CTAF	125.6
GND	121.9
RCO	114.2	KANKAKEE RDO
RDO	123.65	TERRE HAUTE RDO
TWR	125.6

Nearby navigation aids

NavAid	Type	Freq	Radial / Dist magnetic
CGT · Chicago Heights	VORTAC	114.20	r046° / 9.6 NM
EON · Peotone	VORTAC	113.20	r037° / 26.9 NM
IKK · Kankakee	VOR-DME	111.60	r031° / 38.1 NM
OXI · Knox	VOR-DME	115.60	r298° / 38.7 NM

Airport diagram

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Preview diagram

Approaches

Departures

Arrivals

Minimums & Hot Spots

Chart Supplement FAA A/FD

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Preview Chart Supplement

VFR sectional

Open KGYY on the VFR sectional (SkyVector) ↗

Services

Fuel available: 100LL, Jet A
Bottled oxygen: HIGH
Airframe service: MAJOR
Powerplant service: MAJOR
Parking: tiedowns, hangars
Other services: Cargo, Charter, Instruction, Rental

Ownership & management

Owner

GARY/CHICAGO ARPT AUTH DIST

6001 INDUSTRIAL HWY, GARY, IN

219-949-9722

Manager

DANIEL VICARI

6001-C AIRPORT RD, GARY, IN

219-949-4925

Remarks FAA

CLSD TO SKED ACR OPS GTR THAN 9 PAX SEATS; UNSKED ACR OPS GTR THAN 30 PAX SEATS 1 HR PPR; INDEX B ARFF 1 HR PPR; INDEX C ARFF 4 HR PPR - 219-949-4910.
BIRDS & WILDLIFE ON & INVOF ARPT.
UNCTLD VEHICLES N SIDE RAMPS.
TWY A, A1-A8 & C NORTH OF RWY 12/30 AVBL TO ACR MORE THAN 9 PAX SEATS.
TWY F MIL USE ONLY.
LINE OF SIGHT NA BTN INTERSECTING RWY ENDS.
ARNG: OPS 1230Z-2330Z++ TUES-FRI. MIL F/W OR R/W PRKG OR SVC ON ARNG RAMP 24 HR PPR - 219-977-2017.
FOR CD WHEN ATCT IS CLSD CTC CHICAGO APCH AT 847-289-0926.
WHEN ATCT CLSD ACTVT MALSR RWY 30; REIL RWY 02, 12 & 20; MIRL RWY 02/20; HIRL RWY 12/30 - CTAF.
PCR VALUE: 121/R/C/X/U
PCR VALUE: 706/R/C/X/U
RWY 02/20 NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS.

Nearby airports

05C · Griffith-Merrillville Airport (6 NM)KIGQ · Lansing Municipal Airport (7 NM)3HO · Hobart Sky Ranch Airport (8 NM)3IN0 · Flying M AirportPrivate (13 NM)IN70 · Bodin AirportPrivate (17 NM)0II8 · Sutton's FieldPrivate (18 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 KGYY in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.