Reference only — not for real-world navigation.
CT20
Rankl Field · Marlborough
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
350 ft / 107 m
Transition Altitude
18,000 ft
Primary Channel
—
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
NW/SE · 1,600 ft · TurfUNLITFlight Planning
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Welcome to the technical flight briefing for Rankl Field (CT20), located in Marlborough, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 1 active runway with a maximum elevation of 350 ft. Please note that this field primarily supports VFR and visual approach procedures.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.
Full Name
Rankl Field
ICAO / IATA
CT20 / —
Municipality
Marlborough
Country
Region
US-CT — Connecticut
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
350 ft
Pilot Toolbox
External charts, live tracking and weather reports.
Runway NW / SE
UNLIT
Runway Length: 1,600 ft / 488 m
Runway Width: 200 ft / 61 m
Surface Type: Turf
Heading: —° / —°
Runway Width: 200 ft / 61 m
Surface Type: Turf
Heading: —° / —°
RWY NW
No ILS / Visual Only
RWY SE
No ILS / Visual Only
No frequency data available.
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026