Reference only — not for real-world navigation.
KNBC
Beaufort MCAS - Merritt Field · Beaufort
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
37 ft / 11 m
Transition Altitude
18,000 ft
Primary Channel
TWR 119.05 MHz (TWR)
Live Conversion
inHg
hPa
Flight Planning
Quick Jump to Next Destination
Tip: Search your next airport to quickly compare ILS data.
Welcome to the technical flight briefing for Beaufort MCAS - Merritt Field (KNBC), located in Beaufort, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 4 active runways with a maximum elevation of 37 ft. Instrument approaches (IFR) are supported with verified ILS frequencies and identifiers for precision landings.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
Beaufort MCAS - Merritt Field
ICAO / IATA
KNBC / —
Municipality
Beaufort
Country
Region
US-SC — South Carolina
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
37 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 05 / 23
ILS EQUIPPEDLIGHTED
Runway Length: 12,202 ft / 3,719 m
Runway Width: 200 ft / 61 m
Surface Type: PEM
Heading: 41.8° / 221.8°
Runway Width: 200 ft / 61 m
Surface Type: PEM
Heading: 41.8° / 221.8°
RWY 05 (41.8°)
No ILS / Visual Only
RWY 23 (221.8°)
111.55 MHz
IDENT: NBC | CRS: 227°
Runway 14 / 32
LIGHTED
Runway Length: 7,999 ft / 2,438 m
Runway Width: 200 ft / 61 m
Surface Type: PEM
Heading: 135.2° / 315.2°
Runway Width: 200 ft / 61 m
Surface Type: PEM
Heading: 135.2° / 315.2°
RWY 14 (135.2°)
No ILS / Visual Only
RWY 32 (315.2°)
No ILS / Visual Only
Runway 10 / 28
UNLIT
Runway Length: 6,425 ft / 1,958 m
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 90° / 270°
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 90° / 270°
RWY 10 (90°)
No ILS / Visual Only
RWY 28 (270°)
No ILS / Visual Only
Runway 18 / 36
UNLIT
Runway Length: 3,941 ft / 1,201 m
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 180° / 360°
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 180° / 360°
RWY 18 (180°)
No ILS / Visual Only
RWY 36 (360°)
No ILS / Visual Only
A/D APP/DEP
118.45 MHz
ATIS ATIS
27.80 MHz
GCCD GND/CLNC DEL
128.15 MHz
OPS BASE OPS
28.18 MHz
PMSV PMSV METRO
26.45 MHz
TWR TWR
119.05 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: FAA NASR · Cycle: Jan 2026