St Jean Airport (CYJN)
Medium airport · St Jean, Quebec, Canada
Airport data
| Name | St Jean Airport |
|---|---|
| ICAO | CYJN |
| IATA | YJN |
| Elevation | 136 ft (41 m) above mean sea level |
| Coordinates | N 45°17'40" W 73°16'52" 45.29440, -73.28110 |
| Location | St Jean, Quebec, Canada |
| Scheduled service | No |
Runways
| Runway | Length | Width | Surface | Lighted |
|---|---|---|---|---|
| 02/20 | 2,474 ft (754 m) | 100 ft | ASP | No |
| 06/24 | 2,765 ft (843 m) | 100 ft | ASP | No |
| 11/29 | 4,000 ft (1219 m) | 100 ft | ASP | Yes |
St Jean Airport at a glance
St Jean Airport is a medium airport in St Jean, Quebec, Canada, known to airline systems as YJN. The field elevation of 136 ft (41 m) is the number every arriving pilot dials against QNH — circuit heights and initial approach altitudes at CYJN are all figured from it. There is no scheduled airline service listed here — typical traffic is general aviation, training and local operations.
Of its 3 runways, the longest — 11/29 — offers 4,000 ft (1219 m) of asp surface, with runway lighting for night operations. Runway numbers give magnetic orientation: runway 11 points roughly 110° magnetic.
For the weather side of planning, the live METAR and TAF page for CYJN shows the current observation decoded line by line — wind on an instrument dial, visibility, cloud layers and the resulting flight rules — refreshed continuously from official sources.
Nearest airports to St Jean Airport
Distances are great-circle, measured from the field reference point — planning distances along airways or roads will run longer.
| Airport | Code | Distance |
|---|---|---|
| Montréal / Saint-Hubert Metropolitan Airport | CYHU | 27 km (15 NM) |
| Montreal / Pierre Elliott Trudeau International Airport | CYUL | 41 km (22 NM) |
| Bromont (Roland Désourdy) Airport | CZBM | 42 km (23 NM) |
| Montreal Mirabel International Airport | CYMX | 73 km (39 NM) |
| Plattsburgh International Airport | KPBG | 73 km (39 NM) |
Flight-planning notes for St Jean Airport
Density altitude is the quiet performance-killer at any field: on a hot day the 136 ft field elevation of St Jean Airport can translate into a substantially higher density altitude, stretching take-off rolls and flattening climb rates — run the numbers rather than trusting the feel of a standard day. Expect published instrument procedures, controlled airspace and clearance requirements; slots and handling may apply to general aviation traffic.
This entry is one of 250 airports and airfields we list for Canada — the country index on the airports hub links the rest. Coordinates above are given in both DMS and decimal degrees so they can go straight into a GPS, a flight planner or a chart plot without conversion.
Where this data comes from
The reference layer behind this page builds on the OurAirports dataset — a public-domain, community-maintained register of the world's airports that many flight planners and apps rely on — with equity records preserved from documented historical listings where the dataset is silent. Figures are carried as published: elevations as surveyed, coordinates as filed, runway dimensions as recorded. Nothing is estimated to fill a gap, and the whole layer regenerates from source on every site build, so corrections upstream arrive here automatically.
Frequently asked questions about St Jean Airport
What is the ICAO code of St Jean Airport?
The ICAO identifier of St Jean Airport is CYJN, and its IATA code is YJN. The ICAO code is the one used in flight plans, METAR reports and aeronautical charts.
How high is St Jean Airport above sea level?
St Jean Airport sits at an elevation of 136 feet (41 metres) above mean sea level. Field elevation is the reference for pattern altitudes and for setting the altimeter on the ground.
Where exactly is St Jean Airport located?
The airport lies at 45.2944, -73.2811 — in St Jean, Quebec, Canada, in the northern hemisphere. The closest listed field is Montréal / Saint-Hubert Metropolitan Airport, about 27 km away.
Does CYJN publish METAR weather reports?
Where the station reports, the current METAR and TAF for CYJN appear on its live weather page on this site, refreshed continuously from the US NWS Aviation Weather Center feed.
How long is the runway at St Jean Airport?
St Jean Airport has 3 runways. The longest, 11/29, measures 4,000 ft (1219 m) with a ASP surface.