Gillen Airport

36IS · Monmouth, IL · Print kneeboard

Elevation
750 ft MSL
Longest runway
2,300 ft 18/36
Runway
1

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Weather

METAR observed

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TAF forecast

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Sun & FAA night2026-08-04 · night begins 08:46 PM
EventLocal (CDT)UTC
Morning civil twilight
Loggable night ends
05:31 AM10:31Z
Sunrise06:02 AM11:02Z
Sunset08:16 PM01:16Z
Evening civil twilight
Loggable night begins
08:46 PM01:46Z
Loggable night (§1.1)
08:46 PM → 05:31 AM
Night currency (§61.57)
09:16 PM → 05:02 AM

Plan a flight from 36IS

Winds aloft NOAA forecast · 3,000 to 53,000 ft

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Advisories

NOTAMs

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Pilot reports

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Airspace hazards

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Runways

5,000 ftNxw 090°downwind 000°base 270°final 180°45° entry1836

RWY 18LEFT traffic

Heading
180° true
Dimensions
2,300 × 70 ft
TPA
1,800 ft MSL (≈1,000 AGL) · standard
Surface
TURF

Enter the left downwind (heading 000°) on the 45° at 1,800 ft MSL (≈1,000 AGL).

Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)

Headings shown are true (magnetic variation unavailable).

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

Prefer one flat page? Full runway details for 36IS → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 36IS kneeboard →

Comms & NavAids

Nearby navigation aids

BRL 115.55 · MZV 114.40
NavAidTypeFreq · chRangeRadial / Dist magnetic
BRL · Burlington VOR/DME 115.55 · 102Y Low r031° / 15.1 NM
MZV · Moline VOR/DME 114.40 · 91X Low r185° / 24.1 NM

Charts & procedures

No published instrument procedures or Chart Supplement for 36IS — open it on the VFR sectional →

Airport info

Airport information

FAA LID
36IS
Coordinates
40.9264, -90.7312
Elevation
750 ft MSL

Detailed FAA facility data isn't available for this airport.

No published services or facility detail for 36IS.

Nearby airports

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Also nearby: IL65 M.A.M Trail Airport (private) (4 NM) · C66 Monmouth Municipal Airport (5 NM) · 60IL Beulah Land Farm Airport (private) (6 NM) · 3IS2 Earp Airport (12 NM) · IL01 Wolford's Airport (private) (16 NM)

About 36IS

Gillen Airport (36IS) is an airport in Monmouth, IL, at 750 ft MSL. It has 1 runway, the longest 2,300 ft. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 36IS, refreshed from the Aviation Weather Center and FAA NASR.

What is the longest runway at 36IS?

Gillen Airport has 1 runway; the longest is 2,300 ft. See the Runways section for headings, surface, and lighting.

Where is 36IS?

Gillen Airport is in Monmouth, IL, at an elevation of 750 ft MSL. Coordinates: 40.9264, -90.7312.

Fly out of 36IS often?

Save 36IS 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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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 36IS 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.