Ascension Mercy Heliport HeliportPrivate
IL21 · Aurora, IL · Non-towered
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-07 · night begins 08:35 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:22 AM | 10:22Z |
| Sunrise | 05:53 AM | 10:53Z |
| Sunset | 08:04 PM | 01:04Z |
| Evening civil twilight Loggable night begins | 08:35 PM | 01:35Z |
Plan a flight from IL21
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
Airspace hazards
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Runways
| Runway | Length | Your margin |
|---|---|---|
| H1/ | 75 ft |
Prefer one flat page? Full runway details for IL21 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the IL21 kneeboard →
Comms & NavAids
Nearby navigation aids
DPA 114.55 · JOT 112.30 · OBK 113.00 · +2
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| DPA · Dupage | VOR/DME | 114.55 · 92Y | Low | r168° / 6.4 NM |
| JOT · Joliet | VOR/DME | 112.30 · 70X | High | r357° / 14.4 NM |
| OBK · Northbrook | VOR/DME | 113.00 · 77X | High | r215° / 31 NM |
| CGT · Chicago Heights | VORTAC | 114.20 · 89X | Low | r294° / 37.6 NM |
| EON · Peotone | VORTAC | 113.20 · 79X | Low | r320° / 39.2 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for IL21 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- IL21
- Coordinates
- 41.7858, -88.3245
- Elevation
- 700 ft MSL
- Magnetic variation
- 1W
- 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 (SS-SR)
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1968/10
- Distance from city
- 1 NW
Night operations
- Rotating beacon
- white-green-yellow · SS-SR
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Airframe service
- NONE
- Powerplant service
- NONE
Ownership & management 2 contacts
Remarks FAA · 2 notes
General
- (E111-1) PER AGREEMENT WITH GADO 3, PLANNED SOD AREAS ARE IMPLEMENTED FOR EMERGENCY LANDING AREAS; PROPOSED HELIPORT IS DESIGNED IN ACCORDANCE WITH SKETCH.
- FOR CD CTC CHICAGO APCH AT 847-289-0926.
Nearby airports
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Also nearby: 7IS8 Rush-Copley Medical Center Heliport (private) (4 NM) · IS74 Caterpillar Aurora Heliport (4 NM) · 76IL Northwestern Medicine Delnor Hospital Heliport (private) (6 NM) · LL10 Naper Aero Club Airport (private) (6 NM) · 85LL Wormley Airport (7 NM)
About IL21
Ascension Mercy Heliport (IL21) is a heliport in Aurora, IL, at 700 ft MSL. It has 1 runway, the longest 75 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for IL21, refreshed from the Aviation Weather Center and FAA NASR.
Does IL21 have a control tower?
No. Ascension Mercy Heliport is a non-towered (pilot-controlled) heliport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at IL21?
Ascension Mercy Heliport has 1 runway; the longest is 75 ft. See the Runways section for headings, surface, and lighting.
Where is IL21?
Ascension Mercy Heliport is in Aurora, IL, at an elevation of 700 ft MSL. Coordinates: 41.7858, -88.3245.
Fly out of IL21 often?
Save IL21 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.
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 IL21 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.