St Charles County Regional Airport/Smartt Field
SET · KSET · St Charles, MO · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-03 · night begins 08:41 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:35 AM | 10:35Z |
| Sunrise | 06:04 AM | 11:04Z |
| Sunset | 08:11 PM | 01:11Z |
| Evening civil twilight Loggable night begins | 08:41 PM | 01:41Z |
Plan a flight from KSET
Past 24 hours category · wind · ceiling · visibility trends
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Density altitude today projected curve · departure window · takeoff roll
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 18LEFT traffic
- Heading
- 180° mag · 181° true
- Dimensions
- 3,800 × 75 ft
- TPA
- 1,400 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- Lights
- 4-light PAPI (left) (3°)
- CTAF
- 122.7
Enter the left downwind (heading 000°) on the 45° at 1,400 ft MSL (≈1,000 AGL).
More details — RWY 18
- Threshold elev
- 433 ft
- Markings
- nonprecision
- Threshold crossing height
- 40 ft
- TDZ elevation
- 437 ft
- End lights
- REIL
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 09/27 | 2,000 ft | |
| 18/36 | 3,800 ft |
Prefer one flat page? Full runway details for KSET → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KSET kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
Taxi & takeoff
Departure & arrival
“Saint Louis”ATC assigns the exact frequency (in your clearance or on handoff) — which one depends on your SID (departing) or STAR (arriving).
By procedure & sector (1 frequencies)
| Frequency | Used by |
|---|---|
| 353.9 | APCH/P DEP/P |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
STL 117.40 · TOY 116.00 · FTZ 114.35 · +1
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| STL · St Louis | VORTAC | 117.40 · 121X | High | r030° / 4.8 NM |
| TOY · Troy | VORTAC | 116.00 · 107X | Low | r292° / 26.5 NM |
| FTZ · Foristell | VORTAC | 114.35 · 90Y | Low | r056° / 29 NM |
| SKE · Scott | TACAN | 112.20 · 59X | — | r313° / 35.6 NM |
Prefer one flat list? All KSET frequencies →
Charts & procedures
Lowest minimums here: RNAV (GPS) with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KSET, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
Airport information
- ICAO / IATA
- KSET
- Coordinates
- 38.9297, -90.4300
- Elevation
- 437 ft MSL
- Magnetic variation
- 1E
- Sectional chart
- ST LOUIS
- Airport use
- Public
- Control tower
- No
- Weather station
- ASOS · 118.075 · ☎ 636-400-9504
- ARTCC
- KANSAS CITY (ZKC)
- Flight service (FSS)
- SAINT LOUIS · 1-800-WX-BRIEF
- NOTAM facility
- SET
- Attendance
- NOV-MAR ALL 0730-1630; APR-OCT ALL 0730-1630 DUSK
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1941/05
- Distance from city
- 9 NE
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- ACTVT MIRL RWY 18/36 AND RWY 09/27 & REIL RWY 18, PAPI RWY 18 - CTAF. DUSK TO DAWN ONLY. on 122.7 — Chart Supplement ↗
Runway lighting aids — 18: 4-light PAPI (left) · 36: VASI.
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Fuel available
- 100LL
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Agricultural, Charter, Instruction, Rental
Ownership & management 2 contacts
Remarks FAA · 5 notes
General
- HEAVY STUDENT TRNG.
- ARPT CONDS NOT REPORTED MON-FRI 1630L-0800L DLY, FRI 1630L THRU MON 0800L.
- FOR CD CTC ST LOUIS APCH AT 314-890-1017.
Runways
- RWY 36 VASI OUT OF SERVICE INDEFINITELY
Lighting
- ACTVT MIRL RWY 18/36 AND RWY 09/27 & REIL RWY 18, PAPI RWY 18 - CTAF. DUSK TO DAWN ONLY.
Embed KSET weather on your site free widget for schools, clubs & FBOs
Live METAR, flight category, and favored runway for KSET — paste this into your website's HTML. It updates automatically and stays free.
More widgets — crosswind, E6B, density altitude — on the embed page.
Nearby airports
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Also nearby: 01IS William E. Koenig Airport (7 NM) · 0LL3 Koenig Airport (private) (9 NM) · LL49 Raymond Restricted Landing Area (private) (11 NM) · 45MO Waldmeister Farm Airport (private) (11 NM) · 0LL1 Jerseyville Aviation Inc Airport (private) (11 NM)
About KSET
St Charles County Regional Airport/Smartt Field (SET · KSET) is an airport in St Charles, MO, at 437 ft MSL. It has 2 runways, the longest 3,800 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KSET, refreshed from the Aviation Weather Center and FAA NASR.
Does KSET have a control tower?
No. St Charles County Regional Airport/Smartt Field is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at KSET?
St Charles County Regional Airport/Smartt Field has 2 runways; the longest is 3,800 ft. See the Runways section for headings, surface, and lighting.
Where is KSET?
St Charles County Regional Airport/Smartt Field is in St Charles, MO, at an elevation of 437 ft MSL. Coordinates: 38.9297, -90.4300.
Fly out of KSET often?
Save KSET as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open KSET in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.