Clinton Power Station Heliport HeliportPrivate

II41 · Clinton, IL · 737 ft elevation · var 1W · Non-towered

Overview Weather Runways Comms & NavAids Charts Services & 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

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	04:53 AM	09:53Z
Sunrise	05:26 AM	10:26Z
Sunset	08:29 PM	01:29Z
Evening civil twilight Loggable night begins	09:02 PM	02:02Z

Loggable night (§1.1)

09:02 PM → 04:53 AM

Night currency (§61.57)

09:29 PM → 04:26 AM

Plan a flight from II41

Destination (ICAO)

TAS (kt)Burn (gph)Reserve (hr)Wind from (°)Wind (kt)

Night operations

Airport lighting: SEE RMK

FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are in the live weather panel above.

Runway H1/

50 ft × 50 ft · Concrete

Edge lights: Peri.

Heading: n/a
Traffic pattern: Left

Heading: 001° mag · 360° true

Will it fit? Your aircraft's required runway length (from the POH) — checked against every runway here

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Runway	Length	Your margin
H1/	50 ft

Nearby navigation aids

NavAid	Type	Freq	Radial / Dist magnetic
BMI · Bloomington	VOR-DME	108.20	r164° / 19 NM
AXC · Decatur	VORTAC	117.20	r359° / 26.1 NM
CMI · Champaign	VORTAC	110.00	r285° / 27.1 NM
PNT · Pontiac	VOR-DME	109.60	r184° / 39.3 NM
RBS · Roberts	VOR-DME	116.80	r230° / 39.4 NM

VFR sectional

Open II41 on the VFR sectional (SkyVector) ↗

No published instrument procedures or Chart Supplement for II41. VFR sectional link above.

Ownership & management

Owner

EXELON GENERATION COMPANY

CLINTON POWER STATION, 8401 POWER ROAD, CLINTON, IL

217-937-2000

Manager

THOMAS D. CHALMERS

CLINTON POWER STATION, 8401 POWER ROAD, CLINTON, IL

217-937-3600

Remarks FAA

General

FOR CD CTC CHICAGO ARTCC AT 630-906-8921.

Lighting

FOR PERIMETER & FLOOD LGTS CALL 217-935-2500, MAINTENANCE.

Nearby airports

33IL · John Scharff AirportPrivate (3 NM)IL82 · Martin RLA Restricted Landing AreaPrivate (4 NM)C26 · Clinton HeliportHeliport (5 NM)LL34 · Thorp AirportPrivate (5 NM)7LL4 · Bakers Strip (5 NM)IS26 · Niklaus RLA Restricted Landing AreaPrivate (10 NM)

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.

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 on the Comms & NavAids tab.

What is the longest runway at II41?

Clinton Power Station Heliport has 1 runway; the longest is 50 ft. See the Runways tab 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.

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