AirportLookupSim Database

Reference only — not for real-world navigation.

KSET

St Charles County Regional Airport/Smartt Field · St Charles

Key Facts

Essential technical summary for MSFS 2020/2024 and X-Plane.

ILS Approach StatusILS DATA NOT IN DATABASE

Field Elevation

437 ft / 133 m

Transition Altitude

18,000 ft

Primary Channel

CTAF 122.70 MHz (CTAF)

Live Conversion

inHg

hPa

Details Runways Frequencies Navaids Nearby

Runway Summary (Quick-Links)

18/36 · 3,801 ft · AsphaltLIGHTED 09/27 · 2,000 ft · AsphaltLIGHTED

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Welcome to the technical flight briefing for St Charles County Regional Airport/Smartt Field (KSET), located in St Charles, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 2 active runways with a maximum elevation of 437 ft. Please note that this field primarily supports VFR and visual approach procedures.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.

Airport Details

Full geographical and organizational metadata.

Full Name

St Charles County Regional Airport/Smartt Field

ICAO / IATA

KSET / —

Municipality

St Charles

Country

US — United States

Region

US-MO — Missouri

GPS Coordinates

📍 38.929699, -90.430000 🗺️

Transition Altitude

18,000 ft

Elevation

437 ft

Official Website

Wikipedia

Pilot Toolbox

External charts, live tracking and weather reports.

🗺️ SkyVector Charts 📡 FlightAware Live 🌡️ Live METAR 🌦️ TAF Forecast 🌍 Satellite View

Runways & ILS Approach Data

Detailed dimensions and instrument landing frequencies.

Runway 18 / 36

LIGHTED

Runway Length: 3,801 ft / 1,159 m
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 181° / 1°

RWY 18 (181°)

No ILS / Visual Only

RWY 36 (1°)

No ILS / Visual Only

Runway 09 / 27

LIGHTED

Runway Length: 2,000 ft / 610 m
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 90.7° / 270.7°

RWY 09 (90.7°)

No ILS / Visual Only

RWY 27 (270.7°)

No ILS / Visual Only

Nearby Navaids

Ground-based navigation aids (VOR, NDB, DME) in the vicinity or associated with this airport.

LM · NDB (Oblio)338 kHz

38.800301, -90.474701 · 0 ft

FZ · NDB (Eaves)227 kHz

38.676998, -90.547600 · 0 ft

ST · NDB (Zumay)404 kHz

38.788101, -90.278900 · 0 ft

CSX · VOR-DME (Cardinal)116,450 kHz

38.752701, -90.360901 · 530 ft

STL · VORTAC (St Louis)117,400 kHz

38.860699, -90.482399 · 450 ft

CVM · NDB (Civic Mem)263 kHz

38.892300, -90.056297 · 545 ft

Communication Frequencies

Air traffic control and advisory channels.

A/D ST LOUIS APP/DEP

124.20 MHz

ASOS ASOS

118.08 MHz

CLD ST LOUIS CLNC DEL

121.60 MHz

CTAF CTAF

122.70 MHz

Nearby Airports

Alternative airports in the vicinity (km & nm).

St. Louis Lambert International Airport

St Louis Regional Airport

Spirit of St Louis Airport

Scott AFB/Midamerica Airport

Abraham Lincoln Capital Airport

Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026