Airports / KMQS / Chester County G O Carlson AirportIATA CTHGood ground coverage
Chester County G O Carlson Airport satellite view
📍 Coatesville⬆ 660 ft1 runways
KMQS · CTH

Chester County G O Carlson Airport

39.97900°N
-75.86550°W
ARR / DAY
3
86.4%
DEP / DAY
4
83.3%

Chester County G O Carlson Airport (KMQS/CTH) is a small general aviation airport located in Coatesville, PA, 37 mi west of Philadelphia. It features 1 runway measuring 5,400 feet. SkyMeter has observed roughly 3 arrivals and 4 departures per day on average over the last 7 days.

Current weather

Latest METAR observation

9h ago
Temp
63°F
Wind
0 kts
Visib
10+ km
Ceil
METAR KMQS 261115Z AUTO 00000KT 10SM OVC100 17/15 A2997 RMK AO2 T01670152 $

Runways

1 installed

5,400 FT MAX
11/29
5,400 ft × 100
ASP● LITHIGH

Runway intelligence

Which runway carries the operations, observed over the last 30 days

29
64% of ops
910 land · 1,115 TO
11
36% of ops
523 land · 293 TO
Runway 29 carries 64% of operations (910 landings, 1,115 takeoffs) over the last 30 days. The next most-used is 11 at 36%.

Approach quality

Per-runway unstable-approach, go-around, and long-rollout rates

29 910 landings
UA 4%
11 523 landings
UA 6%
Approaches to 29 show a 4% unstable-approach rate (32 UA events from 910 landings).Phase B will add wind-correlation: which crosswind band produces most UA events.

Traffic behavior

When the field is busy: hourly + weekday vs weekend

Daily avg
27.6
flights/day · 827 total
Busy hour (local)
4pm
also 5pm · 1pm
Day vs night
72%
06:00–20:00 local
Traffic concentrates around 1pm–4pm local, averaging 27.6 flights/day. Weekend volume runs 0.9× weekday (26.9 vs 29.1 daily).

Aircraft character

What's actually flying here: top types over the last 30 days

Activity is led by (19% of 562 flights). Top three types: , , .

Communications Frequencies

2026-06-11
Type Freq (MHz) Hours
CTAF 122.700
APCH 124.350
APCH 319.150
UNICOM 122.700
AWOS 126.250
CD/P 125.600
OTHER 125.600
Airport operations
ARTCC:
ZNY
Mag var:
11° W
Fuel:
100LL

Hourly traffic

Avg movements per hour · local time · last 30 days

12a 1a 2a 3a 4a 5a 6a 7a 8a 9a 10a 11a 12p 1p 2p 3p 4p 5p 6p 7p 8p 9p 10p 11p

Pilot & community notes

1 comment from OurAirports (click to expand)

1
david
08/18/2007
re: This airport has a new identifier.
Thanks FLUNKN -- I've updated the code.
© SkyMeter · All flight data subject to ODbL attribution · Updated 20:16 UTC