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TNCM

SXM

Princess Juliana International Airport · Sint Maarten

Key Facts

Technical summary and operational standards.

ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
13 ft / 4 m
Transition Altitude
5,000 ft
Primary Channel
TWR 118.70 MHz (JULIANA TWR)
Runway Summary
10/287,546 ftAsphaltLIGHTED

Mission Briefing & Tools

Direct calculators and pre-filled resources for this airport.

TOD CALC
Plan Descent
CROSSWIND
Check Limits
VDP CALC
Visual Point
CONVERTER
QNH / Fuel
SkyVector FlightAware Live METAR Satellite

Less math, more flying. Did this save your approach? 🛬

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Briefing for Princess Juliana International Airport (TNCM), Sint Maarten. This facility features 1 active runways with an elevation of 13 ft. Verified ILS frequencies are available for precision approaches.Maintain a Transition Altitude of 5,000 ft for altimeter reset.

Airport Details

Full geographical and organizational metadata.

Full Name
Princess Juliana International Airport
ICAO / IATA
TNCM / SXM
Municipality
Sint Maarten
Country
Region
SX-U-A
GPS Coordinates
Transition Altitude
5,000 ft
Official Website
Wikipedia

Runways & ILS Approach Data

Detailed dimensions and verified landing frequencies.

Runway 10 / 28
ILSLIGHTED
Length: 7,546 ft / 2,300 m
Surface: Asphalt
Heading: 96° / 276°
RWY 10
108.90 MHz
ID: I-SXM | CRS: 96°
RWY 28
No ILS

Communication Frequencies

ATC and advisory channels.

APP JULIANA APP
128.95 MHz
TWR JULIANA TWR
118.70 MHz

Nearby Airports

Alternatives in the vicinity.

TFFG
Grand Case-l'Espérance Airport
9 km
TQPF
Clayton J Lloyd International Airport
19 km
TFFJ
Saint Barthélemy - Gustaf III Airport
32 km
TNCS
Juancho E. Yrausquin Airport
46 km
TNCE
F. D. Roosevelt Airport
62 km

Data Source: OurAirports · Technical Briefing Jan 2026
ILS Data Source: AIP / FAA NASR Cycle Verified