Gordon Brown Airport Private
5LL5 · Trivoli, IL · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 08:42 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:28 AM | 10:28Z |
| Sunrise | 05:59 AM | 10:59Z |
| Sunset | 08:12 PM | 01:12Z |
| Evening civil twilight Loggable night begins | 08:42 PM | 01:42Z |
Plan a flight from 5LL5
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
RWY 18LEFT traffic
- Heading
- 179° mag · 180° true
- Dimensions
- 1,800 × 100 ft
- TPA
- 1,700 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
Enter the left downwind (heading 359°) on the 45° at 1,700 ft MSL (≈1,000 AGL).
More details — RWY 18
- Approach obstacle
- Trees, 50 ft, 50 ft from threshold
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
| Runway | Length | Your margin |
|---|---|---|
| 18/36 | 1,800 ft |
Prefer one flat page? Full runway details for 5LL5 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 5LL5 kneeboard →
Comms & NavAids
Nearby navigation aids
PIA 115.20 · BDF 114.70
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| PIA · Peoria | VORTAC | 115.20 · 99X | Low | r283° / 4.3 NM |
| BDF · Bradford | TACAN | 114.70 · 94X | — | r206° / 30.6 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for 5LL5 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 5LL5
- Coordinates
- 40.7014, -89.8840
- Elevation
- 745 ft MSL
- Magnetic variation
- 1E
- Sectional chart
- CHICAGO
- Airport use
- Private
- Control tower
- No
- ARTCC
- KANSAS CITY (ZKC)
- Flight service (FSS)
- KANKAKEE · 122.2 · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1968/11
- Distance from city
- 1 NE
Services fuel · repairs · oxygen · attendance
- Airframe service
- NONE
- Powerplant service
- NONE
Ownership & management 2 contacts
Remarks FAA · 2 notes
General
- FOR CD CTC ST LOUIS APCH AT 314-890-1017.
Obstructions
- ALSO PLINE.
Nearby airports
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Also nearby: 2C6 Tri-County Airport (10 NM) · 6IL0 Hoerr Restricted Landing Area (11 NM) · 3MY Mount Hawley Auxiliary Airport (14 NM) · C45 Manito Mitchell Airport (14 NM)
About 5LL5
Gordon Brown Airport (5LL5) is an airport in Trivoli, IL, at 745 ft MSL. It has 1 runway, the longest 1,800 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 5LL5, refreshed from the Aviation Weather Center and FAA NASR.
Does 5LL5 have a control tower?
No. Gordon Brown Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 5LL5?
Gordon Brown Airport has 1 runway; the longest is 1,800 ft. See the Runways section for headings, surface, and lighting.
Where is 5LL5?
Gordon Brown Airport is in Trivoli, IL, at an elevation of 745 ft MSL. Coordinates: 40.7014, -89.8840.
Fly out of 5LL5 often?
Save 5LL5 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 5LL5 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.