St Jean Airport
Daylight today(Jul 18, 2026, local time)
About 15h 14m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.
About St Jean Airport
This is a list of airports in Quebec. It includes all Nav Canada certified and registered water and land airports, aerodromes and heliports in the Canadian province of Quebec. Airport names in italics are part of the National Airports System.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
Live weather
CYJNLive departures & arrivals
Flight data by AeroDataBox. Times are estimates — not for navigation; confirm with the airline.
Where you can fly from here
Current scheduled routes & daily frequency by AeroDataBox. Approximate — confirm bookable schedules with the airline.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (3)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 11 / 29▸ displaced | 4,000 ft / 1,219 m | 100 ft | Asp | Lighted | Open |
| 06 / 24 | 2,765 ft / 843 m | 100 ft | Asp | Unlit | Open |
| 02 / 20 | 2,474 ft / 754 m | 100 ft | Asp | Unlit | Open |
Radio frequencies (5)
| Type | Description | Frequency |
|---|---|---|
| A/D | MONTREAL APP DEP | 125.150 MHz |
| A/G | VFR ADVSY | 134.150 MHz |
| ATF | ATF | 118.200 MHz |
| GND | GND | 121.700 MHz |
| TWR | TWR | 118.200 MHz |
Navaids(1)
Airspace in this area(14)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| T721 AIRWAY | Class B | Controlled | 12500 ft MSL | 18000 ft MSL |
| BROMONT, QC TA | Class B | Controlled | 12500 ft MSL | 18000 ft MSL |
| T781 AIRWAY | Class B | Controlled | 12500 ft MSL | 18000 ft MSL |
| ST-JEAN, QC TA | Class B | Controlled | 12500 ft MSL | 18000 ft MSL |
| T739 AIRWAY | Class B | Controlled | 12500 ft MSL | 18000 ft MSL |
| T737 AIRWAY | Class B | Controlled | 12500 ft MSL | 18000 ft MSL |
| MONTREAL FIR CAE | Class B | Controlled | 12500 ft MSL | 18000 ft MSL |
| MONTREAL FIR CAE | Class B | Controlled | 12500 ft MSL | 18000 ft MSL |
| T680 AIRWAY | Class B | Controlled | 12500 ft MSL | 18000 ft MSL |
| MONTR�AL, QC TCA XPNDR MANDTRY | Class C | Controlled | 3000 ft MSL | 5000 ft MSL |
| MONTR�AL, QC TCA XPNDR MANDTRY | Class C | Controlled | 5000 ft MSL | 12500 ft MSL |
| MONTR�AL, QC TCA XPNDR MANDTRY | Class C | Controlled | 2000 ft MSL | 3000 ft MSL |
| ST-JEAN CZ | Class D | Controlled | GND | 3000 ft MSL |
| T680 AIRWAY | Class E | Controlled | 2200 ft GND | 12500 ft MSL |
Approximate bounding-box match from OpenAIP · all Canada airspace. Reference only — consult official charts for exact boundaries and status.
Tall obstacles nearby
| Obstacle | Height AGL | Top (MSL) | Lit |
|---|---|---|---|
| Obstacle | — | 118 ft | — |
| Obstacle | — | 128 ft | — |
| Obstacle | — | 92 ft | — |
| Obstacle | — | 171 ft | — |
| Obstacle | — | 197 ft | — |
| Obstacle | — | 118 ft | — |
| Obstacle | — | 171 ft | — |
| Obstacle | — | 125 ft | — |
Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.
Nearby airports
Great-circle distance and true bearing from St Jean Airport.
Frequently asked questions
What is the ICAO code for St Jean Airport?
The ICAO code for St Jean Airport is CYJN, and its IATA code is YJN.
Where is St Jean Airport located?
St Jean Airport is medium airport located in St Jean, Canada, at an elevation of 136 ft (41 m).
How many runways does St Jean Airport have?
St Jean Airport has 3 runways, the longest being 4,000 ft / 1,219 m.
What time zone is St Jean Airport in?
St Jean Airport is in the America/Toronto time zone (UTC-04:00).
What is the magnetic variation at St Jean Airport?
The magnetic variation (declination) at St Jean Airport is approximately 13.7° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near St Jean Airport?
The nearest airport to St Jean Airport is Richelieu/Messier Airport (CRM3), about 5.5 nm to the nne, followed by Richelieu Airport and Bouthillier Airport.
Is the information on this page suitable for flight planning?
No. St Jean Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.