Decatur Airport
KDEC has 3 runways. The longest is 6/24 at 8,496 ft × 150 ft (asphalt).
FAA NASR data, cycle 2026-09-03
KDEC field elevation is 682 ft MSL. The standard traffic pattern altitude at KDEC is 1,680 ft MSL (1,000 ft AGL). Fuel available at KDEC: 100LL, Jet A.
FAA NASR data, cycle 2026-09-03
Check KDEC against your personal minimums, plan a route to it, and see the best runway for the current wind — free.
Yes, KDEC is a towered airport with tower frequency 118.9 MHz.
The ATIS frequency at KDEC (Decatur Airport) is 126.35 MHz.
KDEC has 3 runways (6/24, 12/30, 18/36). The longest runway is 8,496 feet.
Runway 6/24 is the longest at KDEC — 8,496 ft × 150 ft, asphalt.
KDEC uses the standard traffic pattern altitude of 1,000 feet AGL — about 1,680 feet MSL at a field elevation of 682 feet.
Yes. KDEC (Decatur Airport) has 100LL, Jet A available. Call the field for hours, self-serve availability and price.
KDEC (Decatur Airport) has a field elevation of 682 feet MSL.
KDEC (Decatur Airport) is located in Decatur, IL.