Ascension Mercy Heliport HeliportPrivate
IL21 · Aurora, IL · 700 ft elevation · var 1W · Non-towered
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
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 | 04:45 AM | 09:45Z |
| Sunrise | 05:19 AM | 10:19Z |
| Sunset | 08:32 PM | 01:32Z |
| Evening civil twilight Loggable night begins | 09:06 PM | 02:06Z |
Plan a flight from IL21
Night operations
- Rotating beacon
- white-green-yellow · SS-SR
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.
Runway H1/
75 ft × 75 ft · Asphalt- Heading
- n/a
- Threshold elev
- 700 ft
- Traffic pattern
- Left
- Heading
- 233° mag · 232° true
| Runway | Length | Your margin |
|---|---|---|
| H1/ | 75 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| DPA · Du Page | VOR-DME | 108.40 | r168° / 6.4 NM |
| JOT · Joliet | VORTAC | 112.30 | r357° / 14.4 NM |
| OBK · Northbrook | VOR-DME | 113.00 | r215° / 31 NM |
| CGT · Chicago Heights | VORTAC | 114.20 | r294° / 37.6 NM |
| EON · Peotone | VORTAC | 113.20 | r320° / 39.2 NM |
VFR sectional
No published instrument procedures or Chart Supplement for IL21. VFR sectional link above.
Services
- Airframe service
- NONE
- Powerplant service
- NONE
Ownership & management
Remarks FAA
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
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.
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 on the Comms & NavAids tab.
What is the longest runway at IL21?
Ascension Mercy Heliport has 1 runway; the longest is 75 ft. See the Runways tab 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.