AirNav: 4IS3 - The University of Chicago Medicine Heliport

4IS3

The University of Chicago Medicine Heliport
Chicago, Illinois, USA

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FAA INFORMATION EFFECTIVE 06 AUGUST 2026

Location

FAA Identifier:	4IS3
Lat/Long:	41-47-27.6100N 087-36-20.6800W 41-47.460167N 087-36.344667W 41.7910028,-87.6057444 (estimated)
Elevation:	830 ft. / 253 m (estimated)
Variation:	04W (2025)
Time zone:	UTC -5 (UTC -6 during Standard Time)
Zip code:	60637

Heliport Operations

Heliport use:	Private use, MEDICAL USE.
Activation date:	02/1984
Control tower:	no
ARTCC:	CHICAGO CENTER
FSS:	KANKAKEE FLIGHT SERVICE STATION
Attendance:	CONTINUOUS
Wind indicator:	yes
Segmented circle:	no
Lights:	PERIMETER LGTS OPR 24 HRS.
Beacon:	white-green-yellow (heliport) 24 HRS

Heliport Communications

WX ASOS at MDW (7 nm W):	PHONE 773-884-4424
WX AWOS-3PT at GYY (13 nm SE):	134.575 (219-944-0010)
WX AWOS-3PT at IGQ (16 nm S):	124.925 (708-889-6319)
WX ASOS at ORD (18 nm NW):	PHONE 773-800-0035

FREQ 129.475 AVBL FOR MEDICAL CNTR.

Nearby radio navigation aids

VOR radial/distance	VOR name	Freq	Var
CGTr353/16.9	CHICAGO HEIGHTS VORTAC	114.20	02E
OBKr151/30.1	NORTHBROOK VOR/DME	113.00	02W
EONr013/32.4	PEOTONE VORTAC	113.20	02E
DPAr098/33.8	DUPAGE VOR/DME	114.55	02E
JOTr063/35.2	JOLIET VOR/DME	112.30	02E

Heliport Services

Runway Information

Helipad H1

Dimensions:	50 x 50 ft. / 15 x 15 m
Surface:	pierced steel planking ROOFTOP.
Runway edge lights:	PERI
Latitude:	41-47.345500N
Longitude:	087-36.219500W
Elevation:	665.0 ft.
Traffic pattern:	left	left

Helipad H2

Dimensions:	50 x 50 ft. / 15 x 15 m
Surface:	mats
Latitude:	41-47.458167N
Longitude:	087-36.325500W
Elevation:	665.0 ft.
Traffic pattern:	left	left

Heliport Ownership and Management from official FAA records

Ownership:	Privately-owned
Owner:	UNIV CHICAGO HOSPITALS 5841 S MARYLAND, MC 0952, RM 13-100, MC 0952, RM C-38 CHICAGO, IL 60637 Phone 312-702-3222
Manager:	CANDICE SCHAPER 5841 S MARYLAND, MC 0952, RM 13-100, MC 0952, RM C-38 CHICAGO, IL 60637 Phone 773-702-3222 EMAIL ADDRESS: IRA.BLUMEN@UCHOSPITALS.EDU (ALL LOWER CASE)

Additional Remarks

-	FOR CD CTC CHICAGO APCH AT 847-289-0926.

Instrument Procedures

There are no published instrument procedures at 4IS3.

Some nearby airports with instrument procedures:

KMDW - Chicago Midway International Airport (7 nm W)
KGYY - Gary/Chicago International Airport (13 nm SE)
KIGQ - Lansing Municipal Airport (16 nm S)
KORD - Chicago O'Hare International Airport (18 nm NW)
05C - Griffith-Merrillville Airport (19 nm SE)

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Area around 4IS3 (The University of Chicago Medicine Heliport)

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Aerial photo

Sectional chart

Airport distance calculator
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Sunrise and sunset

Times for 12-Aug-2026

	Local (UTC-5)	Zulu (UTC)
Morning civil twilight	05:26	10:26
Sunrise	05:57	10:57
Sunset	19:54	00:54
Evening civil twilight	20:25	01:25

Current date and time

Zulu (UTC)	12-Aug-2026 15:36:45
Local (UTC-5)	12-Aug-2026 10:36:45

METAR

KMDW 6nm W	121516Z 23021G33KT 10SM -TSRA FEW013 BKN023CB BKN095 BKN150 OVC250 23/22 A2989 RMK AO2 PK WND 22033/1516 RAB00 TSB15 PRESRR OCNL LTGICCCCG OHD TS OHD MOV E P0001 T02330217 $
KGYY 13nm SE	121518Z 00000KT 5SM BR RA VCTS BKN007 OVC018 23/23 A2985
KIGQ 16nm S	111555Z AUTO 06005KT 2 1/2SM -RA OVC013 24/24 A2991 RMK AO2 T02420235
KORD 19nm NW	121451Z 00000KT 10SM FEW020 SCT034 SCT060 OVC190 23/21 A2982 RMK AO2 LTG DSNT SW AND W SLP094 T02330211 50009 $

TAF

KMDW 6nm W	121141Z 1212/1318 18004KT P6SM SCT025 BKN035 TEMPO 1212/1215 BKN025 FM121500 25010KT P6SM VCTS SCT025 BKN035CB TEMPO 1216/1218 25025G40KT 1SM TSRA BR BKN025CB FM121900 28008KT P6SM SCT025 BKN035 FM130100 07004KT P6SM SCT012 BKN250
KGYY 13nm SE	121141Z 1212/1312 VRB04KT P6SM SCT025 BKN035 TEMPO 1212/1216 BKN025 FM121600 25010KT P6SM VCTS SCT025 BKN035CB TEMPO 1216/1218 25025G40KT 1SM TSRA BR BKN025CB FM121900 28008KT P6SM SCT025 BKN035 FM130100 VRB04KT P6SM SCT012 BKN250 TEMPO 1308/1312 4SM BR SCT008
KORD 19nm NW	121141Z 1212/1318 VRB04KT P6SM SCT025 BKN035 TEMPO 1212/1215 BKN025 FM121500 25010KT P6SM VCTS SCT025 BKN035CB TEMPO 1216/1218 25020G35KT 1 1/2SM TSRA BR BKN025CB FM121900 28008KT P6SM SCT025 BKN035 FM130100 VRB04KT P6SM SCT012 BKN250

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