Chester County G O Carlson Airport
MQS · KMQS · CTH · Coatesville, PA · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 08:44 PM
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:34 AM | 09:34Z |
| Sunrise | 06:04 AM | 10:04Z |
| Sunset | 08:14 PM | 00:14Z |
| Evening civil twilight Loggable night begins | 08:44 PM | 00:44Z |
Plan a flight from KMQS
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 11LEFT traffic
- Heading
- 113° mag · 102° true
- Dimensions
- 5,400 × 100 ft
- TPA
- 1,700 ft MSL (≈1,000 AGL) · standard
- Surface
- Asphalt
- Lights
- 4-light PAPI (right) (3.2°)
- CTAF
- 122.7
Enter the left downwind (heading 293°) on the 45° at 1,700 ft MSL (≈1,000 AGL).
More details — RWY 11
- Threshold elev
- 638 ft
- Markings
- nonprecision
- Approach obstacle
- Tree, 56 ft, 777 ft from threshold, 504 ft L of centerline — 10:1 slope to clear · penetrates the 20:1 visual approach surface
- Threshold crossing height
- 55 ft
- TDZ elevation
- 644 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 |
|---|---|---|
| 11/29 | 5,400 ft |
Prefer one flat page? Full runway details for KMQS → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KMQS kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
Taxi & takeoff
Departure & arrival
“Philadelphia”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 |
|---|---|
| 319.15 | APCH/P DEP/P |
Source: FAA NASR (current 28-day cycle).
Instrument landing systems
RWY 29
| Runway | ILS |
|---|---|
| RWY 29 | ILS · CAT I · LOC 108.5 (MQS) · GS 3.00° |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
MXE 113.20 · PTW 116.50 · LRP 117.30 · +3
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| MXE · Modena | VORTAC | 113.20 · 79X | Low | r301° / 9.7 NM |
| PTW · Pottstown | VORTAC | 116.50 · 112X | Low | r233° / 20.2 NM |
| LRP · Lancaster | VOR/DME | 117.30 · 120X | Low | r122° / 21.3 NM |
| DQO · Dupont | VORTAC | 114.00 · 87X | Low | r337° / 21.6 NM |
| OOD · Woodstown | VORTAC | 112.80 · 75X | Low | r319° / 33.1 NM |
| ETX · East Texas | VOR/DME | 110.20 · 39X | Low | r202° / 37.1 NM |
Prefer one flat list? All KMQS frequencies →
Charts & procedures
Lowest minimums here: ILS with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KMQS, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
Airport information
- ICAO / IATA
- KMQS / CTH
- Coordinates
- 39.9790, -75.8655
- Elevation
- 660 ft MSL
- Magnetic variation
- 11W
- Sectional chart
- WASHINGTON
- Airport use
- Public
- Control tower
- No
- Weather station
- AWOS-3 · 126.25 · ☎ 610-384-6132
- ARTCC
- NEW YORK (ZNY)
- Flight service (FSS)
- WILLIAMSPORT · 122.2 · 1-800-WX-BRIEF
- NOTAM facility
- IPT
- Attendance
- ALL 0600-2200
- Beacon
- white-green (SS-SR)
- Segmented circle
- No
- Wind indicator
- lighted
- Activated
- 1937/09
- Distance from city
- 2 W
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- DUSK-DAWN. ACTVT REIL RWY 11/29; HIRL RWY 11/29 - CTAF. on 122.7 — Chart Supplement ↗
Runway lighting aids — 11: 4-light PAPI (right) · 29: 4-light PAPI (left).
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, Jet A
- Bottled oxygen
- HIGH/LOW
- Bulk oxygen
- HIGH/LOW
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Avionics, Instruction, Rental, Aircraft sales
Ownership & management 2 contacts
Remarks FAA · 10 notes
General
- MIGRATORY BIRDS & DEER ON & INVOF ARPT.
- NOISE ABATEMENT PROC IN EFFECT, CTC AMGR CELL.
- +164 FT WATER TWR 1343 FT FM RY 11 THR 1842 FT R MKD WITH STROBE LGT DALGT HRS; STD OBSTN LGT NGT HRS.
- HELICOPTER OPS INVOF ARPT SOUTH AND SOUTHWEST OF RY 11 THLD.
- HELICOPTER TRAFFIC REQUESTED TO LAND AND TKOF FM RY ONLY. HELICOPTER HOVER TAXIING, TKOFS, & LNDGS PROHIBITED FM TWY ALPHA.
- HOVER TAXI ALONG TXY ALPHA PROHIBITED. WHEEL TAXI ON TXY OR HOVER FM RY TO RAMP SIDE PARKING SPOT BY CROSSING PERPENDICULAR TO ALPHA.
- FOR CD CTC PHILADELPHIA APCH AT 800-354-9884.
Runways
- UNUSBL BYD 6 DEG LEFT OF CRS.
Lighting
- DUSK-DAWN. ACTVT REIL RWY 11/29; HIRL RWY 11/29 - CTAF.
Attendance
- FOR SVC AFTER HRS CNT 610-384-9000
Embed KMQS weather on your site free widget for schools, clubs & FBOs
Live METAR, flight category, and favored runway for KMQS — 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: PA70 Fetters Construction Airport (private) (10 NM) · 3PA8 Harris Airport (private) (10 NM) · N57 New Garden Airport (10 NM) · O03 Morgantown Airport (11 NM) · PN39 Founding Fathers Field (private) (13 NM) · 14PS Hideaway Ultralightport (private) (13 NM)
About KMQS
Chester County G O Carlson Airport (MQS · KMQS · CTH) is an airport in Coatesville, PA, at 660 ft MSL. It has 1 runway, the longest 5,400 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KMQS, refreshed from the Aviation Weather Center and FAA NASR.
Does KMQS have a control tower?
No. Chester County G O Carlson Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at KMQS?
Chester County G O Carlson Airport has 1 runway; the longest is 5,400 ft. See the Runways section for headings, surface, and lighting.
Where is KMQS?
Chester County G O Carlson Airport is in Coatesville, PA, at an elevation of 660 ft MSL. Coordinates: 39.9790, -75.8655.
Fly out of KMQS often?
Save KMQS 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 KMQS 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.