St Charles, Missouri

KSET St Charles County Rgnl/Smartt Fld

St Charles County Rgnl/Smartt Fld (KSET) is a non-towered, public-use airport in St Charles, Missouri, at 436.8 ft MSL. It has 2 runways: 09/27 (2,000 by 75 ft, asphalt), 18/36 (3,800 by 75 ft, asphalt). CTAF 122.7.

FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.

Airport

At a glance

Identifiers
ICAO KSET, FAA SET
Location
St Charles, Missouri (St Charles County). 9 NM NE of the city center
Elevation
436.8 ft MSL
Position
38.9297° N, 90.4300° W
Control tower
No, non-towered
Sectional chart
St Louis
Magnetic variation
1° E (1995)
Fuel
100LL
Ownership
Publicly owned, open to the public
Attendance
NOV-MAR ALL 0730-1630; APR-OCT ALL 0730-1630 DUSK

2 runways

Runways

RunwayLength × widthSurfaceEdge lights
09/272,000 × 75 ftAsphalt, good conditionMedium intensity
18/363,800 × 75 ftAsphalt, fair conditionMedium intensity

Runway ends and traffic pattern

EndPatternGlide slope lightsInstrumentDisplaced thresholdLanding distance
09Left trafficNone listedNone listedNone listedNot listed
27Left trafficNone listedNone listedNone listedNot listed
18Left traffic4-light PAPI, leftNone listedNone listedNot listed
36Left traffic4-box VASI, leftNone listedNone listedNot listed

VHF

Frequencies

CTAF
122.7
Actvt Mirl Rwy 18/36 and Rwy 09/27 & Reil Rwy 18, Papi Rwy 18 - Ctaf. Dusk To Dawn Only.
UNICOM
122.7
Clearance delivery
121.6
Approach / departure
124.2
"Saint Louis"

Weather station

ASOS SET
118.075

Before you go

Brief KSET in Ascent EFB.

Current weather, NOTAMs and the airport diagram for St Charles County Rgnl/Smartt Fld, in the app on iPhone and iPad.

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Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.

Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.