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
18
20.9%
DEP / DAY
17
34.8%

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 18 arrivals and 17 departures per day on average over the last 7 days.

Current weather

Latest METAR observation

6h ago
Temp
68°F
Wind
12 kts
350°
Visib
10+ km
Ceil
METAR KMQS 280335Z AUTO 35012G23KT 10SM FEW017 20/20 A3002 RMK AO2 RAE0254 P0000 T01970196 $

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
75% of ops
522 land · 553 TO
11
25% of ops
174 land · 102 TO
Runway 29 carries 75% of operations (522 landings, 553 takeoffs) over the last 30 days. The next most-used is 11 at 25%.

Approach quality

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

29 522 landings
UA 4%
11 174 landings
UA 6%
Approaches to 29 show a 4% unstable-approach rate (19 UA events from 522 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
37.3
flights/day · 1,120 total
Busy hour (local)
6pm
also 5pm · 3pm
Day vs night
70%
06:00–20:00 local
Traffic concentrates around 3pm–6pm local, averaging 37.3 flights/day. Weekend volume runs 0.7× weekday (30.2 vs 41.8 daily).

Aircraft character

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

Activity is led by (20% of 767 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 09:48 UTC