University of Chicago Hospitals Heliport HeliportPrivate
4IS3 · Chicago, IL · 665 ft elevation · var 4W · Non-towered
Airport information
- FAA LID
- 4IS3
- Coordinates
- 41.7884, -87.6042
- Elevation
- 665 ft MSL
- Magnetic variation
- 4W
- Sectional chart
- CHICAGO
- Airport use
- Private
- Control tower
- No
- ARTCC
- CHICAGO (ZAU)
- Flight service (FSS)
- KANKAKEE · 122.2 · 1-800-WX-BRIEF
- Attendance
- ALL ALL
- Beacon
- white-green-yellow (SEE RMK)
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1984/02
- Distance from city
- 0 NW
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-23
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:42 AM | 09:42Z |
| Sunrise | 05:16 AM | 10:16Z |
| Sunset | 08:29 PM | 01:29Z |
| Evening civil twilight Loggable night begins | 09:03 PM | 02:03Z |
Plan a flight from 4IS3
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green-yellow · SEE RMK
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Runway H1/
38 ft × 30 ft · PSP- Heading
- n/a
- Threshold elev
- 665 ft
- Traffic pattern
- Left
- Heading
- n/a
| Runway | Length | Your margin |
|---|---|---|
| H1/ | 38 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| CGT · Chicago Heights | VORTAC | 114.20 | r353° / 16.8 NM |
| OBK · Northbrook | VOR-DME | 113.00 | r151° / 30.3 NM |
| EON · Peotone | VORTAC | 113.20 | r013° / 32.3 NM |
| DPA · Du Page | VOR-DME | 108.40 | r098° / 33.9 NM |
| JOT · Joliet | VORTAC | 112.30 | r063° / 35.2 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 4IS3. VFR sectional link above.
Ownership & management
Remarks FAA
General
- FOR CD CTC CHICAGO APCH AT 847-289-0926.
Runways
- ROOFTOP.
Lighting
- 24 HRS
- PERIMETER LGTS OPR 24 HRS.
Contact
- EMAIL ADDRESS: IRA.BLUMEN@UCHOSPITALS.EDU (ALL LOWER CASE)
Nearby airports
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 4IS3 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 4IS3
University of Chicago Hospitals Heliport (4IS3) is a heliport in Chicago, IL, at 665 ft MSL. It has 1 runway, the longest 38 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 4IS3, refreshed from the Aviation Weather Center and FAA NASR.
Does 4IS3 have a control tower?
No. University of Chicago Hospitals Heliport is a non-towered (pilot-controlled) heliport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 4IS3?
University of Chicago Hospitals Heliport has 1 runway; the longest is 38 ft. See the Runways tab for headings, surface, and lighting.
Where is 4IS3?
University of Chicago Hospitals Heliport is in Chicago, IL, at an elevation of 665 ft MSL. Coordinates: 41.7884, -87.6042.
Fly out of 4IS3 often?
Save 4IS3 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.