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

▲ 28.7%

DEP / DAY

▲ 7.4%

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 24 arrivals and 21 departures per day on average over the last 7 days.

Safety incidents

Last 7 days · 0 total

NORMAL

Current weather

Latest METAR observation

23m ago

Temp

86°F

Wind

4 kts

0°

Visib

10+ km

Ceil

—

METAR KMQS 011955Z AUTO VRB04KT 10SM OVC065 30/25 A2997 RMK AO2 T02970254 $

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

74% of ops

510 land · 537 TO

26% of ops

179 land · 109 TO

Runway 29 carries 74% of operations (510 landings, 537 takeoffs) over the last 30 days. The next most-used is 11 at 26%.

Approach quality

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

29 510 landings

UA 3%

11 179 landings

UA 7%

Approaches to 29 show a 3% unstable-approach rate (15 UA events from 510 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

36.9

flights/day · 1,108 total

Busy hour (local)

6pm

also 3pm · 7pm

Day vs night

70%

06:00–20:00 local

Traffic concentrates around 6pm–7pm local, averaging 36.9 flights/day. Weekend volume runs 0.9× weekday (35.1 vs 39.4 daily).

Aircraft character

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

Activity is led by (20% of 748 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

Pilot & community notes

1 comment from OurAirports (click to expand)

david

08/18/2007

re: This airport has a new identifier.

Thanks FLUNKN -- I've updated the code.

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