Reference only — not for real-world navigation.
TNCM
Princess Juliana International Airport · Sint Maarten
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
13 ft / 4 m
Transition Altitude
5,000 ft
Primary Channel
TWR 118.70 MHz (JULIANA TWR)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
10/28 · 7,546 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Princess Juliana International Airport (TNCM), located in Sint Maarten, Sint Maarten. 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 13 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 5,000 ft verified for this field for altimeter reset procedures.
Full Name
Princess Juliana International Airport
ICAO / IATA
TNCM / SXM
Municipality
Sint Maarten
Country
Region
SX-U-A — (unassigned)
GPS Coordinates
Transition Altitude
5,000 ft
Elevation
13 ft
Official Website
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 10 / 28
ILS EQUIPPEDLIGHTED
Runway Length: 7,546 ft / 2,300 m
Runway Width: 148 ft / 45 m
Surface Type: Asphalt
Heading: 96° / 276°
Runway Width: 148 ft / 45 m
Surface Type: Asphalt
Heading: 96° / 276°
RWY 10 (96°)
108.90 MHz
IDENT: I-SXM | CRS: 96°
RWY 28 (276°)
No ILS / Visual Only
APP JULIANA APP
128.95 MHz
TWR JULIANA TWR
118.70 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026