Mary's Harbour Airport
Daylight today(Aug 30, 2026, local time)
About 13h 46m 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 Mary's Harbour Airport
This is a list of airports in Newfoundland and Labrador. It includes all Nav Canada certified and registered water and land airports, aerodromes and heliports in the Canadian province of Newfoundland and Labrador. 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
CYMHNOTAMs
CYMHReference 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 |
|---|---|---|---|---|---|
| 11 / 29 | 2,500 ft / 762 m | 75 ft | Gravel | Unlit | Open |
Navaids(1)
Airspace in this area(2)
| Name | Class | Type | Floor | Ceiling |
|---|---|---|---|---|
| GANDER FIR CAE | Class B | Controlled | 12500 ft MSL | 18000 ft MSL |
| GANDER FIR CAE | Class E | Controlled | 12500 ft MSL | 12500 ft MSL |
Approximate bounding-box match from OpenAIP · all Canada airspace. Reference only — consult official charts for exact boundaries and status.
Weather by month
Share of VFR / marginal-VFR / IFR / low-IFR conditions by month over the last 8 years, with the prevailing wind and typical density altitude. Historical climatology — not a forecast.
Prevailing wind: N (from about 0°), on 12% of observations, averaging 11 kt.
| Month | VFR / MVFR / IFR / LIFR | % VFR | Median DA |
|---|---|---|---|
| Jan | 34% | -2,031 ft | |
| Feb | 35% | -2,257 ft | |
| Mar | 34% | -1,916 ft | |
| Apr | 33% | -1,610 ft | |
| May | 34% | -1,329 ft | |
| Jun | 36% | -814 ft | |
| Jul | 44% | -132 ft | |
| Aug | 42% | -114 ft | |
| Sep | 44% | -646 ft | |
| Oct | 39% | -1,096 ft | |
| Nov | 30% | -1,422 ft | |
| Dec | 31% | -1,798 ft |
VFR MVFR IFR LIFR· density altitude ranges ~-2,257–-114 ft through the year· Source: NWS/IEM ASOS archive.
Nearby airports
Great-circle distance and true bearing from Mary's Harbour Airport.
Frequently asked questions
What is the ICAO code for Mary's Harbour Airport?
The ICAO code for Mary's Harbour Airport is CYMH, and its IATA code is YMH.
Where is Mary's Harbour Airport located?
Mary's Harbour Airport is small airport located in Mary's Harbour, Canada, at an elevation of 38 ft (12 m).
How many runways does Mary's Harbour Airport have?
Mary's Harbour Airport has 1 runway, the longest being 2,500 ft / 762 m.
What time zone is Mary's Harbour Airport in?
Mary's Harbour Airport is in the America/St Johns time zone (UTC-02:30).
What is the magnetic variation at Mary's Harbour Airport?
The magnetic variation (declination) at Mary's Harbour Airport is approximately 18.4° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.
What airports are near Mary's Harbour Airport?
The nearest airport to Mary's Harbour Airport is St. Lewis (Fox Harbour) Airport (YFX), about 7.6 nm to the ene, followed by Williams Harbour Airport and Port Hope Simpson Airport.
Is the information on this page suitable for flight planning?
No. Mary's Harbour Airport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.