Decatur Airport

DEC · KDEC · Decatur, IL · 682 ft elevation · var 1W · Towered

Overview Weather Runways Comms & NavAids Charts Services & info

Airport information

ICAO / IATA: KDEC / DEC
Coordinates: 39.8346, -88.8657
Elevation: 682 ft MSL
Magnetic variation: 1W
Sectional chart: ST LOUIS
Airport use: Public
Control tower: Yes
ARTCC: CHICAGO (ZAU)
Flight service (FSS): SAINT LOUIS
NOTAM facility: DEC
Attendance: MON-FRI ALL; SAT SUN 0700-2130
Beacon: white-green (SS-SR)
Segmented circle: No
Wind indicator: lighted
Activated: 1945/03
Distance from city: 4 E

Weather

METAR observed

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TAF forecast

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Sun & FAA night 2026-06-21

Event	Local (CDT)	UTC
Morning civil twilight Loggable night ends	04:54 AM	09:54Z
Sunrise	05:27 AM	10:27Z
Sunset	08:27 PM	01:27Z
Evening civil twilight Loggable night begins	09:00 PM	02:00Z

Loggable night (§1.1)

09:00 PM → 04:54 AM

Night currency (§61.57)

09:27 PM → 04:27 AM

Plan a flight from KDEC

Destination (ICAO)

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

Night operations

Airport lighting: SEE RMK
Rotating beacon: white-green · SS-SR
Pilot-controlled lighting: ACTVT MALSR RWY 06; MIRL RWY 12/30 & 18/36; TWY LGTS RWY 06 - CTAF. WHEN ATCT CLSD HIRL RWY 06/24 PRESET LOW INTST; INCR INTST - CTAF.; SNOW REMOVAL OPS WINTER MONTHS MNT CTAF. LNDG/DEP ACFT USE CTAF WHEN ATCT CLSD. on 118.9 — Chart Supplement ↗

Runway lighting aids — 06: MALSR · 24: VASI · 30: 4-light PAPI (left) · 18: 4-light PAPI (left) · 36: VASI.

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

Traffic pattern

Landing runway

LEFT traffic

Landing: Rwy 06 · 060°
Pattern: left (turns left)
TPA: 1,700 ft MSL (≈1,000 AGL)
CTAF: 118.9

Enter the left downwind for Rwy 06 at 1,700 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).

Runway 06/24

8,496 ft × 150 ft · ASPH-CONC (Good)

Edge lights: High. Weight bearing: Single wheel 120k, Double wheel 250k, Dual tandem 550k, Double dual tandem 1120k.

Heading: 060° mag · 59° true
Markings: precision
Approach lights: MALSR
Instrument landing: ILS/DME · CAT I · LOC 110.9 (DEC) · GS 3.00°
Traffic pattern: Left
Approach obstacle: Road, 17 ft, 885 ft from threshold, 599 ft L of centerline — 39:1 slope to clear

Heading: 240° mag · 239° true
Markings: precision
VGSI: VASI (3°)
Traffic pattern: Left

Runway 12/30

6,799 ft × 150 ft · ASPH-CONC (Good)

Edge lights: Med. Weight bearing: Single wheel 120k, Double wheel 250k, Dual tandem 550k, Double dual tandem 1120k.

Heading: 120° mag · 119° true
Markings: nonprecision
Traffic pattern: Left
Approach obstacle: Tree, 43 ft, 1,174 ft from threshold, 288 ft R of centerline — 22:1 slope to clear

Heading: 300° mag · 299° true
Markings: nonprecision
VGSI: 4-light PAPI (left) (3°)
Traffic pattern: Left

Runway 18/36

5,298 ft × 150 ft · Asphalt (Good)

Edge lights: Med. Weight bearing: Single wheel 120k, Double wheel 250k, Dual tandem 550k, Double dual tandem 1035k.

Heading: 180° mag · 179° true
Markings: nonprecision
VGSI: 4-light PAPI (left) (3°)
Traffic pattern: Left
Approach obstacle: Trees, 55 ft, 1,755 ft from threshold, 15 ft R of centerline — 28:1 slope to clear

Heading: 000° mag · 359° true
Markings: nonprecision
VGSI: VASI (3°)
Traffic pattern: Left
Approach obstacle: Pole, 50 ft, 2,344 ft from threshold, 461 ft L of centerline — 42:1 slope to clear

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
06/24	8,496 ft
12/30	6,799 ft
18/36	5,298 ft

Communication frequencies

Service	Frequency	Notes
A/D	132.85	CHAMPAIGN APP/DEP
ATIS	126.35
CTAF	118.9
GND	121.75
RDO	122.3	ST LOUIS RDO
TWR	118.9
UNIC	122.95	UNICOM

Nearby navigation aids

NavAid	Type	Freq	Radial / Dist magnetic
AXC · Decatur	VORTAC	117.20	r353° / 5.8 NM
CMI · Champaign	VORTAC	110.00	r243° / 29.7 NM
MTO · Mattoon	VOR-DME	109.40	r306° / 34.3 NM
SPI · Spinner	VORTAC	112.70	r091° / 37.4 NM
BMI · Bloomington	VOR-DME	108.20	r173° / 38.9 NM

Airport diagram

Open PDF ↗

Preview diagram

Procedures at a glance

Lowest mins: ILS · vertical guidance Takeoff mins / ODP ↗ Non-std alternate mins ↗

Approaches10

Minimums & Hot Spots

Chart Supplement FAA A/FD

Open PDF ↗

Preview Chart Supplement

VFR sectional

Open KDEC on the VFR sectional (SkyVector) ↗

Services

Fuel available: 100LL, Jet A
Parking: tiedowns, hangars
Other services: Air freight, Charter, Instruction, Rental, Aircraft sales

Ownership & management

Owner

DECATUR PARK DISTRICT

620 E. RIVERSIDE AVE., DECATUR, IL

217-428-2423

Manager

TIM A. WRIGHT

910 S. AIRPORT ROAD, DECATUR, IL

217-428-2423

Remarks FAA

INDEX B ARFF CAPABILITY RQR 24 HR PPR - CTC AMGR.
N RAMP FROM HNGR B TO HNGR G CLSD TO ACFT OVR 12500 LBS.
WHEN ATCT CLSD BE ALERT FOR VEHICULAR TFC IN ARPT OPS AREAS.
BIRDS & WILDLIFE ON & INVOF ARPT.
GLIDER OPS RWY 06 & 30 ONLY, RQR WRITTEN APVL - CTC AMGR. SOD OPS NA.
SNOW REMOVAL OPS WINTER MONTHS MNT CTAF. LNDG/DEP ACFT USE CTAF WHEN ATCT CLSD.
FOR US CUSTOMS CALL 217-425-4803.
RWY 12 & 18 AND RWY 06 & 36 CLOSELY ALIGNED. VFY CORRECT RWY AND COMPASS HDG PRIOR TO DEP.
TWY A RSTRD NORTH OF TWY G TO ACFT WITH WINGSPAN OF 86FT OR LESS WITHOUT PPR - CTC AMGR.
FOR CD IF UNA TO CTC ON FSS FREQ, CTC CHICAGO ARTCC 630-906-8921.
ACTVT MALSR RWY 06; MIRL RWY 12/30 & 18/36; TWY LGTS RWY 06 - CTAF. WHEN ATCT CLSD HIRL RWY 06/24 PRESET LOW INTST; INCR INTST - CTAF.
217-428-8836
PCR VALUE: 3280/F/D/X/T
PCR VALUE: 3250/F/D/X/T
PCR VALUE: 1200/F/D/X/T
SECONDARY LAHSO 8000 FT HOLD SHORT OF RWY 18/36.

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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 KDEC 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 KDEC

Decatur Airport (DEC · KDEC) is an airport in Decatur, IL, at 682 ft MSL. It has 3 runways, the longest 8,496 ft, with a control tower. This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KDEC, refreshed from the Aviation Weather Center and FAA NASR.

Does KDEC have a control tower?

Yes. Decatur Airport has an operating FAA control tower. Check the Comms & NavAids tab for tower and ground frequencies.

What is the longest runway at KDEC?

Decatur Airport has 3 runways; the longest is 8,496 ft. See the Runways tab for headings, surface, and lighting.

Where is KDEC?

Decatur Airport is in Decatur, IL, at an elevation of 682 ft MSL. Coordinates: 39.8346, -88.8657.

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