Reference only — not for real-world navigation.
K4B8
Robertson Field · Plainville
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
200 ft / 61 m
Transition Altitude
18,000 ft
Primary Channel
UNIC 122.80 MHz (CTAF/UNICOM)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
02/20 · 3,612 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Robertson Field (K4B8), located in Plainville, 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 200 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
Robertson Field
ICAO / IATA
K4B8 / —
Municipality
Plainville
Country
Region
US-CT — Connecticut
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
200 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 02 / 20
LIGHTED
Runway Length: 3,612 ft / 1,101 m
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 19.3° / 199.3°
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 19.3° / 199.3°
RWY 02 (19.3°)
No ILS / Visual Only
RWY 20 (199.3°)
No ILS / Visual Only
CLD BRADLEY CLNC DEL
134.50 MHz
UNIC CTAF/UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026