Airport · KMQS / CTH

Chester County G O Carlson Airport

United States · 660 ft

Runway diagram

Satellite map with the runway layout of Chester County G O Carlson Airport (KMQS)

Weather

obs 19:55Z · 21 min ago

Wind: wind 320° 11 kt G18
Visibility: vis 16 km (10+ SM)
Clouds: clouds —
Temperature: 20° / 5° · QNH 1019 hPa (30.10 inHg)
Density altitude: 1,270 ft

METAR KMQS 301955Z AUTO 32011G18KT 10SM 20/05 A3010 RMK AO2 T02030049 $

Runway wind

Runway	End	Headwind	Crosswind
11/29	11	-9 kt	-7 kt
11/29	29	9 kt	7 kt

negative headwind means tailwind; crosswind is absolute. check the METAR for gusts and variable directions.

Live right now

40 aircraft within 75 km · snapshot 2s ago

Callsign	Registration	Type	Airline	Route	Altitude	Speed	Distance	Map
AAL2946	N422AN	A21N	American Airlines	CLT → MCI	13700 ft	337 kt	12 km	map
N181AF	N181AF	R44	N18		2500 ft	54 kt	12 km	map
RPA4534	N655RW	E170	Republic Airlines	LGA → GSP → LGA	30000 ft	423 kt	20 km	map
DAL1391	N980AT	B712	Delta Air Lines	DTW → PHL → DTW	7850 ft	300 kt	20 km	map
N111MM	N111MM	M20P	N11		1900 ft	143 kt	20 km	map
N445NG	N445NG	PC12	N44		5450 ft	207 kt	21 km	map
VIV101	XA-VAA	A320	Aeroenlaces Nacionales	JFK → MEX	31925 ft	421 kt	23 km	map
DAL2956	N127DN	A321	Delta Air Lines	LAS → SEA	13875 ft	340 kt	23 km	map
N2357F	N2357F	C210	N23		5350 ft	156 kt	24 km	map
N38331	N38331	PA32	N38		7000 ft	162 kt	26 km	map
N524EA	N524EA	GLF6	N52		6025 ft	260 kt	27 km	map
AAL2196	N883NN	B738	American Airlines	AUS → DFW	5875 ft	288 kt	28 km	map
GJS4486	N515GJ	CRJ7	Gojet Airlines	EWR → DCA	18000 ft	392 kt	30 km	map
JIA5235	N552NN	CRJ9	Psa Airlines	DCA → ILM → DCA	11475 ft	334 kt	31 km	map
AAL557	N801AW	A319	American Airlines	SFO → DFW	9875 ft	296 kt	32 km	map
RJC144	N592FC	GLF4	Richmor Aviation		14775 ft	378 kt	36 km	map
KLM225	PH-BQE	B772	Klm Royal Dutch Airlines	AMS → IAD	21500 ft	387 kt	37 km	map
N2552Q	N2552Q	P28A	N25		3275 ft	97 kt	39 km	map
N748MK	N748MK	C172	N74		1075 ft	114 kt	39 km	map
N143SG	N143SG	S22T	N14		Ground	0 kt	39 km	map
LET5668	XA-MLT	C68A	Aerolineas Ejecutivas		12875 ft	368 kt	39 km	map
N2090Z	N2090Z	C150	N20		3475 ft	99 kt	41 km	map
EJA344	N344QS	E55P	Netjets Aviation		850 ft	119 kt	42 km	map
AAL470	N306NY	B738	American Airlines	PHL → ORD	16825 ft	375 kt	43 km	map
AAL2381	N149AN	A321	American Airlines	PHL → LAS	20875 ft	378 kt	44 km	map
AAL3294	N9006	A319	American Airlines	MSP → PHL	5875 ft	293 kt	46 km	map
UAL2161	N77536	B738	United Airlines	IAH → MSY	31475 ft	415 kt	46 km	map
RPA4609	N103HQ	E75L	Republic Airlines	JFK → CVG	32000 ft	391 kt	46 km	map
AAL2300	N440AN	A21N	American Airlines	PHX → PHL	12625 ft	380 kt	47 km	map
N8318Q	N8318Q	P28A	N83		5000 ft	127 kt	48 km	map
PDT5882	N933JN	E145	Piedmont Airlines	PHL → CAE	3575 ft	252 kt	48 km	map
N716ER	N716ER	AA5	N71		6375 ft	138 kt	49 km	map
N805TL	N805TL	GLF6	N80		23400 ft	471 kt	53 km	map
N923GW	N923GW	C172	N92		800 ft	96 kt	55 km	map
N67353	N67353	BE36	N67		6800 ft	136 kt	55 km	map
PDT6034	N690AE	E145	Piedmont Airlines	CLT → MOB → CLT	7275 ft	286 kt	55 km	map
JBU128	N594JB	A320	Jetblue Airways Corporation	MCO → EWR	13275 ft	379 kt	56 km	map
DAL2404	N381DN	B738	Delta Air Lines	LGA → TPA	25475 ft	422 kt	58 km	map
N5331F	N5331F	P28A	N53		5300 ft	102 kt	60 km	map
UAL2641	N17126	B752	United Airlines	EWR → LAX → CLE	33575 ft	400 kt	60 km	map

Live map

Open the full map

Airport data

Latitude: 39.9790
Longitude: -75.8655
Type: small_airport
Region: Pennsylvania
IATA: CTH
GPS code: KMQS
Local code: MQS
Magnetic variation: -11.0°
Operations: no PPR
Weather: METAR / TAF

Runways

Runway	Length	Width	Surface	Lighted
11 / 29	5400 ft · 1.65 km · 102°	100 ft	ASP	yes

Frequencies

Type	Description	Frequency
A/D	PHILADELPHIA APP/DEP	124.350 MHz
AWOS	AWOS 3	126.250 MHz
CLD	CLNC DEL	125.600 MHz
RDO	WILLIAMSPORT RDO	113.200 MHz
UNIC	CTAF/UNICOM	122.700 MHz

Airports near Chester County G O Carlson Airport

Fetters Construction Airport (PA70) Downingtown, United States · 18 km (11 mi)
Harris Airport (3PA8) Lincoln University, United States · 18 km (11 mi)
New Garden Airport (KN57) Toughkenamon, United States · 18 km (11 mi)
Morgantown Airport (KO03) Morgantown, United States · 20 km (12 mi)
Barrys Folly Nr 12 Balloonport (3PN8) Pottstown, United States · 21 km (13 mi)
Founding Fathers Field (PN39) New London, United States · 23 km (14 mi)
Hideaway Ultralightport (14PS) Quarryville, United States · 24 km (15 mi)
Brandywine Regional Airport (KOQN) West Chester, United States · 24 km (15 mi)

Links

imagery © Esri, Maxar, Earthstar Geographics. airport and runway data are public domain. operational flags from OpenAIP (2026-10-29). live positions from the adsb.lol network.