Clinton Power Station Heliport HeliportPrivate
II41 · Clinton, IL · Non-towered
Nearby now
Loading…
Weather
METAR observed
Loading current weather…
TAF forecast
Loading forecast…
Sun & FAA night2026-08-07 · night begins 08:33 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:29 AM | 10:29Z |
| Sunrise | 05:59 AM | 10:59Z |
| Sunset | 08:03 PM | 01:03Z |
| Evening civil twilight Loggable night begins | 08:33 PM | 01:33Z |
Plan a flight from II41
Winds aloft NOAA forecast · 3,000 to 53,000 ft
Loading winds aloft…
Full reports: nearest reporting station
Advisories
Airspace hazards
Checking advisories…
Runways
| Runway | Length | Your margin |
|---|---|---|
| H1/ | 50 ft |
Prefer one flat page? Full runway details for II41 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the II41 kneeboard →
Comms & NavAids
Nearby navigation aids
AXC 117.20 · CMI 115.75 · RBS 116.80
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| AXC · Adders | VORTAC | 117.20 · 119X | High | r359° / 26.1 NM |
| CMI · Champaign | VORTAC | 115.75 · 104Y | Low | r285° / 27.1 NM |
| RBS · Roberts | VOR/DME | 116.80 · 115X | Low | r230° / 39.4 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for II41 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- II41
- Coordinates
- 40.1717, -88.8375
- Elevation
- 737 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
- Segmented circle
- No
- Wind indicator
- lighted
- Activated
- 2000/11
- Distance from city
- 7 ENE
Night operations
- Airport lighting
- SEE RMK
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Ownership & management 2 contacts
Remarks FAA · 2 notes
General
- FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
Lighting
- FOR PERIMETER & FLOOD LGTS CALL 217-935-2500, MAINTENANCE.
Nearby airports
Loading nearby conditions…
Also nearby: 33IL John Scharff Airport (private) (3 NM) · IL82 Martin RLA Restricted Landing Area (private) (4 NM) · C26 Clinton Heliport (5 NM) · LL34 Thorp Airport (private) (5 NM) · 7LL4 Bakers Strip (5 NM) · IS26 Niklaus RLA Restricted Landing Area (private) (10 NM)
About II41
Clinton Power Station Heliport (II41) is a heliport in Clinton, IL, at 737 ft MSL. It has 1 runway, the longest 50 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for II41, refreshed from the Aviation Weather Center and FAA NASR.
Does II41 have a control tower?
No. Clinton Power Station Heliport is a non-towered (pilot-controlled) heliport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at II41?
Clinton Power Station Heliport has 1 runway; the longest is 50 ft. See the Runways section for headings, surface, and lighting.
Where is II41?
Clinton Power Station Heliport is in Clinton, IL, at an elevation of 737 ft MSL. Coordinates: 40.1717, -88.8375.
Fly out of II41 often?
Save II41 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 II41 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.