Chester County G O Carlson Airport
MQS · KMQS · CTH · Coatesville, PA · 660 ft elevation · var 11W · Non-towered
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
- ARTCC
- NEW YORK (ZNY)
- Flight service (FSS)
- WILLIAMSPORT
- 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
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:02 AM | 09:02Z |
| Sunrise | 05:35 AM | 09:35Z |
| Sunset | 08:36 PM | 00:36Z |
| Evening civil twilight Loggable night begins | 09:08 PM | 01:08Z |
Plan a flight from KMQS
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 in the live weather panel above.
Traffic pattern
- Landing
- Rwy 11 · 113°
- Pattern
- left (turns left)
- TPA
- 1,700 ft MSL (≈1,000 AGL)
- CTAF
- 122.7
Enter the left downwind for Rwy 11 at 1,700 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 11/29
5,400 ft × 100 ft · Asphalt (Good)- Heading
- 113° mag · 102° true
- Markings
- nonprecision
- VGSI
- 4-light PAPI (right) (3.2°)
- Traffic pattern
- Left
- 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
- Heading
- 293° mag · 282° true
- Markings
- precision
- VGSI
- 4-light PAPI (left) (3°)
- Instrument landing
- ILS · CAT I · LOC 108.5 (MQS) · GS 3.00°
- Traffic pattern
- Left
- Approach obstacle
- Trees, 14 ft, 238 ft from threshold, 467 ft L of centerline — 2:1 slope to clear · penetrates the 20:1 visual approach surface
| Runway | Length | Your margin |
|---|---|---|
| 11/29 | 5,400 ft |
Communication frequencies
| Service | Frequency | Notes |
|---|---|---|
| A/D | 124.35 | PHILADELPHIA APP/DEP |
| AWOS | 126.25 | AWOS 3 |
| CLD | 125.6 | CLNC DEL |
| RDO | 113.2 | WILLIAMSPORT RDO |
| UNIC | 122.7 | CTAF/UNICOM |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| MXE · Modena | VORTAC | 113.20 | r301° / 9.7 NM |
| PTW · Pottstown | VORTAC | 116.50 | r233° / 20.2 NM |
| LRP · Lancaster | VORTAC | 117.30 | r122° / 21.3 NM |
| DQO · Dupont | VORTAC | 114.00 | r337° / 21.6 NM |
| OOD · Woodstown | VORTAC | 112.80 | r319° / 33.1 NM |
| PPM · Phillips | VOR-DME | 108.40 | r034° / 33.8 NM |
| NXX · Willow Grove | TACAN | 133.40 | r259° / 35.5 NM |
Procedures at a glance
Approaches3
Minimums & Hot Spots
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- 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
Remarks FAA
- 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.
- DUSK-DAWN. ACTVT REIL RWY 11/29; HIRL RWY 11/29 - CTAF.
- FOR SVC AFTER HRS CNT 610-384-9000
- UNUSBL BYD 6 DEG LEFT OF CRS.
Nearby airports
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.
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 on the Comms & NavAids tab.
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 tab 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.
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