Alert Airport
About Alert Airport
Alert Airport is located at Alert, Nunavut, Canada, approximately 830 km (520 mi) south of the true North Pole. It is operated by the Canadian Department of National Defence and is part of Canadian Forces Station Alert. A weather station was established on the site in 1950, and in 1957 construction began on the military facilities which are still in use as of 2025. It is the northernmost airport in the world, although not used by public scheduled flights.
Summary from Wikipedia licensed under CC BY-SA.
Live weather
CYLTNOTAMs
CYLTReference only — not an official briefing. Always obtain a certified briefing (e.g. 1800wxbrief.com / your AIS) before flight.
NOTAM data via the FAA NOTAM system.
Live 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.
Live traffic nearby
Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.
Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.
Map
Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.
Runways (1)
| Runway | Length | Width | Surface | Lighting | Status |
|---|---|---|---|---|---|
| 05T / 23T | 5,500 ft / 1,676 m | 150 ft | Gvl | Lighted | Open |
Radio frequencies (1)
| Type | Description | Frequency |
|---|---|---|
| OPS | OPS | 568.000 MHz |
Navaids(2)
Frequently asked questions
What is the ICAO code for Alert Airport?
The ICAO code for Alert Airport is CYLT, and its IATA code is YLT.
Where is Alert Airport located?
Alert Airport is medium airport located in Alert, Canada, at an elevation of 100 ft (30 m).
How many runways does Alert Airport have?
Alert Airport has 1 runway, the longest being 5,500 ft / 1,676 m.
What time zone is Alert Airport in?
Alert Airport is in the America/Pangnirtung time zone (UTC-04:00).
What is the magnetic variation at Alert Airport?
The magnetic variation (declination) at Alert Airport is approximately 39.5° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
Is the information on this page suitable for flight planning?
No. Alert Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.