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Reference only — not for real-world navigation.

CYJN

St Jean Airport · St Jean

Key Facts

Essential technical summary for MSFS 2020/2024 and X-Plane.

ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
136 ft / 41 m
Transition Altitude
18,000 ft
Primary Channel
TWR 118.20 MHz (TWR)
Live Conversion
inHg
hPa
Flight Planning
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Welcome to the technical flight briefing for St Jean Airport (CYJN), located in St Jean, Canada. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 3 active runways with a maximum elevation of 136 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.

Airport Details

Full geographical and organizational metadata.

Full Name
St Jean Airport
ICAO / IATA
CYJN / YJN
Municipality
St Jean
Country
Region
CA-QC — Quebec
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
136 ft
Wikipedia

Pilot Toolbox

External charts, live tracking and weather reports.

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Runways & ILS Approach Data

Detailed dimensions and instrument landing frequencies.

Runway 11 / 29
LIGHTED
Runway Length: 4,000 ft / 1,219 m
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 90° / 270°
RWY 11 (90°)
No ILS / Visual Only
RWY 29 (270°)
No ILS / Visual Only
Runway 06 / 24
UNLIT
Runway Length: 2,765 ft / 843 m
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 45.1° / 225.1°
RWY 06 (45.1°)
No ILS / Visual Only
RWY 24 (225.1°)
No ILS / Visual Only
Runway 02 / 20
UNLIT
Runway Length: 2,474 ft / 754 m
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 360° / 180°
RWY 02 (360°)
No ILS / Visual Only
RWY 20 (180°)
No ILS / Visual Only

Communication Frequencies

Air traffic control and advisory channels.

A/D MONTREAL APP DEP
125.15 MHz
A/G VFR ADVSY
134.15 MHz
ATF ATF
118.20 MHz
GND GND
121.70 MHz
TWR TWR
118.20 MHz

Nearby Airports

Alternative airports in the vicinity (km & nm).

CYHU
Montréal / Saint-Hubert Metropolitan Airport
27 km / 15 nm
CYULILS
Montreal / Pierre Elliott Trudeau International Airport
41 km / 22 nm
CZBM
Bromont (Roland Désourdy) Airport
42 km / 23 nm
CYMXILS
Montreal International (Mirabel) Airport
73 km / 39 nm
KPBGILS
Plattsburgh International Airport
73 km / 39 nm

Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026