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The Pilots Desk
Small airport

St Charles County Regional Airport/Smartt Field

ICAO KSETLocal SET🇺🇸 St Charles
Coordinates
38.9297°N, 90.4300°W
Elevation
437 ft (133 m)
Type
Small airport
Region
US-MO
Time zone
Chicago(UTC-05:00)
Magnetic variation
1.9° W

Daylight today(Sep 1, 2026, local time)

Civil dawn
06:04
Sunrise
06:32
Sunset
19:34
Civil dusk
20:01

About 13h 3m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.

About St Charles County Regional Airport/Smartt Field

St. Charles County Smartt Airport, also known as Smartt Field, is a county-owned, public-use airport in St. Charles County, Missouri, United States. It is located nine nautical miles (17 km) northeast of the central business district of the City of St. Charles. This facility is included in the National Plan of Integrated Airport Systems, which categorized it as a general aviation reliever airport.

Summary from Wikipedia licensed under CC BY-SA.

Live weather

KSET
Checking for pilot reports…

NOTAMs

KSET

Reference only — not an official briefing. Always obtain a certified briefing (e.g. 1800wxbrief.com / your AIS) before flight.

NOTAM data via the FAA NOTAM system.

Live departures & arrivals

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Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.

Where you can fly from here

Loading current routes…

Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.

Live traffic nearby

Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.

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Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.

Map

Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.

Runways (2)

RunwayLengthWidthSurfaceLightingStatus
18 / 363,800 ft / 1,158 m75 ftAspLightedOpen
09 / 272,000 ft / 610 m75 ftAspLightedOpen

Radio frequencies (4)

TypeDescriptionFrequency
A/DST LOUIS APP/DEP124.200 MHz
ASOSASOS118.075 MHz
CLDST LOUIS CLNC DEL121.600 MHz
CTAFCTAF122.700 MHz

Instrument procedures & charts

Cycle 2608 · effective Aug 6, 2026 – Sep 3, 2026 Not for navigation — confirm currency on the official FAA source.

Instrument approaches (1)

Takeoff & alternate minimums (2)

Showing 3 of 3 FAA procedures on this overview. Always fly the current, official chart. Full charts page.

Airspace in this area(2)

NameClassTypeFloorCeiling
ST LOUIS CLASS B AREA E EXCLUDES AREA A,B,C AND DClass BControlled3000 ft MSL8000 ft MSL
ST LOUIS CLASS B AREA KClass BControlled5000 ft MSL8000 ft MSL

Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.

Nearby airports

Great-circle distance and true bearing from St Charles County Regional Airport/Smartt Field.

Official site Wikipedia Live ATC audio Live tracking (FR24) Open in Maps
🇺🇸 More airports in United States📘 Flying in the United States: a pilot's guide

Frequently asked questions

What is the ICAO code for St Charles County Regional Airport/Smartt Field?

The ICAO code for St Charles County Regional Airport/Smartt Field is KSET.

Where is St Charles County Regional Airport/Smartt Field located?

St Charles County Regional Airport/Smartt Field is small airport located in St Charles, United States, at an elevation of 437 ft (133 m).

How many runways does St Charles County Regional Airport/Smartt Field have?

St Charles County Regional Airport/Smartt Field has 2 runways, the longest being 3,800 ft / 1,158 m.

What time zone is St Charles County Regional Airport/Smartt Field in?

St Charles County Regional Airport/Smartt Field is in the America/Chicago time zone (UTC-05:00).

What is the magnetic variation at St Charles County Regional Airport/Smartt Field?

The magnetic variation (declination) at St Charles County Regional Airport/Smartt Field is approximately 1.9° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near St Charles County Regional Airport/Smartt Field?

The nearest airport to St Charles County Regional Airport/Smartt Field is William E. Koenig Airport (01IS), about 7.4 nm to the ne, followed by Koenig Airport and Raymond Restricted Landing Area.

Is the information on this page suitable for flight planning?

No. St Charles County Regional Airport/Smartt Field data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.