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

▼ 4.2%

DEP / DAY

▲ 0.0%

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 26 arrivals and 28 departures per day on average over the last 7 days.

Safety incidents

Last 7 days · 0 total

NORMAL

Current weather

Latest METAR observation

7h ago

Temp

57°F

Wind

0 kts

0°

Visib

10+ km

Ceil

—

METAR KMQS 131035Z AUTO 00000KT 10SM 14/14 A2999 RMK AO2 T01390139 $

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

65% of ops

436 land · 475 TO

35% of ops

234 land · 170 TO

Runway 29 carries 65% of operations (436 landings, 475 takeoffs) over the last 30 days. The next most-used is 11 at 35%.

Approach quality

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

29 436 landings

UA 2%

11 234 landings

UA 4%

Approaches to 29 show a 2% unstable-approach rate (9 UA events from 436 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

36.6

flights/day · 1,097 total

Busy hour (local)

5pm

also 4pm · 8pm

Day vs night

67%

06:00–20:00 local

Traffic concentrates around 5pm–8pm local, averaging 36.6 flights/day. Weekend volume runs 0.8× weekday (32.4 vs 39.9 daily).

Aircraft character

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

Activity is led by (22% of 714 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

8/18/2007

re: This airport has a new identifier.

Thanks FLUNKN -- I've updated the code.

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