Reference only — not for real-world navigation.
K3B1
Greenville Municipal Airport · Greenville
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
1,401 ft / 427 m
Transition Altitude
18,000 ft
Primary Channel
AWOS 23.60 MHz (AWOS A)
Live Conversion
inHg
hPa
Flight Planning
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Welcome to the technical flight briefing for Greenville Municipal Airport (K3B1), located in Greenville, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 2 active runways with a maximum elevation of 1,401 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
Greenville Municipal Airport
ICAO / IATA
K3B1 / —
Municipality
Greenville
Country
Region
US-ME — Maine
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
1,401 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 14 / 32
LIGHTED
Runway Length: 3,999 ft / 1,219 m
Runway Width: 75 ft / 23 m
Surface Type: ASPH-G
Heading: 117° / 297°
Runway Width: 75 ft / 23 m
Surface Type: ASPH-G
Heading: 117° / 297°
RWY 14 (117°)
No ILS / Visual Only
RWY 32 (297°)
No ILS / Visual Only
Runway 03 / 21
UNLIT
Runway Length: 3,000 ft / 914 m
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 8.3° / 188.3°
Runway Width: 75 ft / 23 m
Surface Type: Asphalt
Heading: 8.3° / 188.3°
RWY 03 (8.3°)
No ILS / Visual Only
RWY 21 (188.3°)
No ILS / Visual Only
AWOS AWOS A
23.60 MHz
CNTR BOSTON CNTR
120.25 MHz
RDO BANGOR RDO
122.30 MHz
UNIC CTAF/UNICOM
122.80 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026