Airports / Pennsylvania / CTH
Chester County G O Carlson Airport
KMQS / CTHCoatesville, PennsylvaniaELEV 660 FT
Google rating
Google reviews
Field elevation
Nearest alternate
Field standing
#17 / 42
Pennsylvania airports by Google rating
4.6★ across 23 Google ratings — ranked against 42 rated PA fields.
22 nm
To the nearest alternate
Lancaster Airport (LNS) — 6 fields within 50 nm.
Overview
Located in Coatesville, Pennsylvania, Chester County G O Carlson Airport (KMQS / CTH) operates as a general aviation field. The field lies at an elevation of 660 feet. The field has no airline schedules, which keeps it focused on private and general aviation flying.
CTH has no resident charter fleet; trips here are typically flown by operators repositioning from surrounding airports. Useful alternates include Lancaster Airport (LNS, 22 nm), Wilmington Airport (ILG, 22 nm), and Reading Regional Airport (Carl A Spaatz Field) (RDG, 24 nm).
Quotes for flights out of CTH vary with aircraft type, repositioning, and schedule flexibility. The airport is also known as 40N. Use the cost estimator to model a trip from CTH, or browse verified operators serving the area.
What fliers highlight
Staff & service
3/5 reviews“I’ve had great experiences with the FBO services here—they’re efficient and accommodating.”
Miguel Castillo5★ on Google
FBO & ground handling
2/5 reviews“Whether you’re refueling, renting a hangar, or just stopping by, the team goes above and beyond to make you feel valued.”
Miguel Castillo5★ on Google
Terminal & facilities
2/5 reviews“The runway and taxiways are in excellent condition, and the approach offers beautiful views of the surrounding area.”
Miguel Castillo5★ on Google
Themes counted by keyword across Google review texts for Chester County G O Carlson Airport — every quote is verbatim from a real review.
Field capability
ICAO
KMQS
IATA
CTH
FAA / Local
MQS
Elevation
660 ft
Coordinates
39.9790° N · 75.8655° W
Airspace
G · GolfClass G — GolfUncontrolled field — no tower. Pilots self-announce and sequence themselves on the common traffic advisory frequency.Source: FAA NASR class airspace
Size
Small
Scheduled svc
No
Elevation vs PA fields
state range 36–2,284 ft
At 660 ft, CTH sits lower than 54% of the 41 Pennsylvania fields on the register.
Access & alternates
Closest alternate fields by great-circle distance — every listing links to its own field brief.
- 22nmLNSLancaster AirportLancaster
- 22nmILGWilmington AirportWilmington
- 24nmRDGReading Regional Airport (Carl A Spaatz Field)Reading
- 29nmPHLPhiladelphia International AirportPhiladelphia
- 34nmAPGPhillips Army Air FieldAberdeen
- 40nmPNENortheast Philadelphia AirportPhiladelphia
Location
Open the full mapKMQS · Chester County G O Carlson Airport · Coatesville, PA
From the ramp
Google Places photography of Chester County G O Carlson Airport — tap any frame to view full-screen, then cycle with the arrows or your keyboard.