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

▼ 5.8%

DEP / DAY

▼ 23.3%

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 18 arrivals and 19 departures per day on average over the last 7 days.

Safety incidents

Last 7 days · 0 total

NORMAL

Current weather

From KBWI, 70 mi away — KMQS does not publish METAR

33m ago

Temp

81°F

Wind

14 kts

60°

Visib

10+ km

Ceil

—

SPECI KBWI 062335Z 06014G25KT 10SM TS FEW020 SCT028 BKN035CB BKN130 BKN250 27/23 A2995 RMK AO2 TSB34 OCNL LTGIC N-E TS N-E MOV SW T02670228

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

62% of ops

410 land · 577 TO

38% of ops

250 land · 85 TO

Runway 29 carries 62% of operations (410 landings, 577 takeoffs) over the last 30 days. The next most-used is 11 at 38%.

Approach quality

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

29 410 landings

UA 4%

11 250 landings

UA 12%

Approaches to 29 show a 4% unstable-approach rate (15 UA events from 410 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

36.4

flights/day · 1,093 total

Busy hour (local)

4pm

also 2pm · 5pm

Day vs night

71%

06:00–20:00 local

Traffic concentrates around 4pm–5pm local, averaging 36.4 flights/day. Weekend volume runs 0.7× weekday (27.8 vs 41.5 daily).

Aircraft character

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

Activity is led by (22% of 750 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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