Decatur Airport
DEC · KDEC · Decatur, Illinois · Macon County · map
Decatur Airport is a public-use airport owned by Decatur Park District, 4 miles east of Decatur, Illinois, 682 feet above sea level. It has 3 runways; the longest, 06/24, is 8,496 feet of asphalt and concrete. It has a control tower and fuel (100LL avgas, Jet A).
Weather right now KDEC · observed 1:54 pm CDT (18:54 UTC), 60 minutes ago
VFR good flying weather
- Wind from the south (170°) at 8 knots
- Visibility 10 miles or more
- Temperature 74°F (23°C), dew point 45°F (7°C)
- Altimeter 30.06 inHg
The forecast issued Tue 12:32 pm CDT (17:32 UTC), good until Wed 1:00 pm CDT (18:00 UTC)
- From Tue 1:00 pm CDT (18:00 UTC): wind from the south at 8 knots, gusting to 16, visibility more than 6 miles, clear skies VFR
- From Tue 6:00 pm CDT (23:00 UTC): wind from the south-southwest at 6 knots, visibility more than 6 miles, a few clouds at 5,000 feet VFR
- From Wed 9:00 am CDT (14:00 UTC): wind from the west at 7 knots, visibility more than 6 miles, scattered clouds at 25,000 feet VFR
The codes as issued (METAR and TAF)
METAR KDEC 061854Z 17008KT 10SM CLR 23/07 A3006 RMK AO2 SLP179 T02330072
TAF KDEC 061732Z 0618/0718 19008G16KT P6SM SKC FM062300 20006KT P6SM FEW050 FM071400 26007KT P6SM SCT250
From the National Weather Service's aviation weather service, refreshed every few minutes; times are local to the airport with UTC in brackets. For a flight, get your briefing from Flight Service or an approved provider.
The airport
- Codes
- FAA DEC · ICAO KDEC
- Kind
- Airport · open to the public · publicly owned
- Owner
- Decatur Park District
- Elevation
- 682 feet above sea level
- Control tower
- A control tower · 6:00 am to 10:00 pm
- Attended
- Monday to Friday, around the clock; Saturday Sunday, 7:00 am to 9:30 pm
- Lights
- runway lights see the remarks below; beacon sunset to sunrise
- Fuel
- 100LL avgas, Jet A
- Parking
- hangar, tiedown
- Notes
- certified for airline service (Part 139)
- On the chart
- St Louis sectional
- Magnetic variation
- 1W
- In the FAA's files since
- March 1945
Runways 3
Drawn to scale from the FAA's runway positions, north up. Not for navigation.
| Runway | Length × width | Surface | Lights |
|---|---|---|---|
| 06/24 | 8,496 × 150 ft | Asphalt and concrete, good | High-intensity lights |
| 12/30 | 6,799 × 150 ft | Asphalt and concrete, good | Medium-intensity lights |
| 18/36 | 5,298 × 150 ft | Asphalt, good | Medium-intensity lights |
- Runway 06: ILS with DME, medium-intensity approach lights with runway alignment lights (MALSR), road 17 ft high 885 ft from the end
- Runway 24: VASI, four boxes on the left
- Runway 12: tree 43 ft high 1,174 ft from the end
- Runway 30: PAPI, four lights on the left
- Runway 18: PAPI, four lights on the left, trees 55 ft high 1,755 ft from the end
- Runway 36: VASI, four boxes on the left, pole 50 ft high 2,344 ft from the end
Radio frequencies
| Common traffic advisory (CTAF) · Tower | 118.9 | Decatur |
| UNICOM | 122.95 | |
| ATIS (recorded airport information) | 126.35 | Decatur |
| Ground | 121.75 | Decatur |
| Approach and departure | 132.85 | Decatur |
Automated weather (ASOS), by phone 217-429-0052.
Wind map live wind over the area, from Windy.com
Colours show wind speed, the moving lines its direction; drag the time bar for the coming days. Map and forecast by Windy.com.
Aircraft registered in Decatur from the FAA register
27 aircraft are registered to owners in Decatur, Illinois: 20 piston singles, 6 turboprops, 1 drone. Not every one of them is based at this airport; the based-aircraft count above is the FAA's figure for this airport alone.
Companies and organisations in town with two or more aircraft:
Individuals are counted, never named. All aircraft registered in Illinois.
Accidents and incidents at or near this airport NTSB records · 16 since 1982, 2 fatal
Cases the NTSB recorded with this as the nearest airport, newest first. Each opens the full report in plain English.
Nearby within 30 nautical miles
The FAA's remarks as written in the airport file
- North ramp from hngr B to hngr G closed to aircraft ovr 12500 pounds.
- Activate approach lights (MALSR) runway 06; medium-intensity runway lights runway 12/30 and 18/36; taxiway lights runway 06 - the common traffic frequency. When the control tower closed high-intensity runway lights runway 06/24 preset low intst; incr intst - the common traffic frequency.
- Secondary lahso 8000 feet hold short of runway 18/36.
- When the control tower closed be alert for vehicular traffic in airport operations areas.
- Birds and wildlife on and in the vicinity of airport.
- Snow removal operations winter months mnt the common traffic frequency. Landing/departure aircraft use the common traffic frequency when the control tower closed.
- Runway 12 and 18 and runway 06 and 36 closely aligned. Vfy correct runway and compass hdg prior to departure.
Facts from the FAA's airport file effective October 1, 2026, written out in plain English; weather from the National Weather Service's aviation weather service; registered aircraft from the FAA register as of October 5, 2026; accidents from the NTSB's public database. Owners are shown only when they are an organisation; no person is named. Check the official sources before a flight: this page is for understanding an airport, not for planning one.