Gordon Brown Airport Private

5LL5 · Trivoli, IL · 745 ft elevation · var 1E · Non-towered

Overview Weather Runways Comms & NavAids Charts Services & 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
Attendance: UNATNDD
Segmented circle: No
Wind indicator: yes
Activated: 1968/11
Distance from city: 1 NE

Weather

METAR observed

Loading current weather…

TAF forecast

Loading forecast…

Sun & FAA night 2026-06-21

Event	Local (CDT)	UTC
Morning civil twilight Loggable night ends	04:55 AM	09:55Z
Sunrise	05:28 AM	10:28Z
Sunset	08:34 PM	01:34Z
Evening civil twilight Loggable night begins	09:08 PM	02:08Z

Loggable night (§1.1)

09:08 PM → 04:55 AM

Night currency (§61.57)

09:34 PM → 04:28 AM

Plan a flight from 5LL5

Destination (ICAO)

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

Traffic pattern

Landing runway

LEFT traffic

Landing: Rwy 18
Pattern: left (turns left)
TPA: 1,700 ft MSL (≈1,000 AGL)

Enter the left downwind for Rwy 18 at 1,700 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).

Runway 18/36

1,800 ft × 100 ft · Turf

Heading: n/a
Traffic pattern: Left
Approach obstacle: Trees, 50 ft, 50 ft from threshold

Heading: n/a
Traffic pattern: Right
Approach obstacle: Trees, 20 ft

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
18/36	1,800 ft

Nearby navigation aids

NavAid	Type	Freq	Radial / Dist magnetic
PIA · Peoria	VORTAC	115.20	r283° / 4.3 NM
GBG · Galesburg	VOR-DME	109.80	r116° / 28.7 NM
BDF · Bradford	VORTAC	114.70	r206° / 30.6 NM

VFR sectional

Open 5LL5 on the VFR sectional (SkyVector) ↗

No published instrument procedures or Chart Supplement for 5LL5. VFR sectional link above.

Services

Airframe service: NONE
Powerplant service: NONE

Ownership & management

Owner

THEODORE A. BROWN

18201 WEST FARMINGTON RD, TRIVOLI, IL

(309) 360-9031

Manager

THEODORE BROWN

18201 WEST FARMINGTON RD, TRIVOLI, IL

(309) 360-9031

Remarks FAA

FOR CD CTC ST LOUIS APCH AT 314-890-1017.
ALSO PLINE.

Nearby airports

KPIA · General Wayne A. Downing Peoria International Airport (9 NM)2C6 · Tri-County Airport (10 NM)6IL0 · Hoerr Restricted Landing Area (11 NM)KCTK · Ingersoll Airport (12 NM)3MY · Mount Hawley Auxiliary Airport (14 NM)C45 · Manito Mitchell Airport (14 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 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.

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 on the Comms & NavAids tab.

What is the longest runway at 5LL5?

Gordon Brown Airport has 1 runway; the longest is 1,800 ft. See the Runways tab 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.

Get the appBeta