Reference only — not for real-world navigation.
CYHY
Hay River / Merlyn Carter Airport · Hay River
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS FREQUENCIES VERIFIED ✅
Field Elevation
541 ft / 165 m
Transition Altitude
18,000 ft
Primary Channel
UNIC 122.30 MHz (MANDATORY FREQ)
Live Conversion
inHg
hPa
Flight Planning
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Welcome to the technical flight briefing for Hay River / Merlyn Carter Airport (CYHY), located in Hay River, Canada. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 2 active runways with a maximum elevation of 541 ft. Instrument approaches (IFR) are supported with verified ILS frequencies and identifiers for precision landings.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.
Full Name
Hay River / Merlyn Carter Airport
ICAO / IATA
CYHY / YHY
Municipality
Hay River
Country
Region
CA-NT — Northwest Territories
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
541 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 14 / 32
ILS EQUIPPEDLIGHTED
Runway Length: 6,000 ft / 1,829 m
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 154.3° / 334.3°
Runway Width: 150 ft / 46 m
Surface Type: Asphalt
Heading: 154.3° / 334.3°
RWY 14 (154.3°)
No ILS / Visual Only
RWY 32 (334.3°)
110.30 MHz
IDENT: I-HY | CRS: 319°
Runway 05 / 23
LIGHTED
Runway Length: 4,001 ft / 1,220 m
Runway Width: 150 ft / 46 m
Surface Type: COM
Heading: 66° / 246°
Runway Width: 150 ft / 46 m
Surface Type: COM
Heading: 66° / 246°
RWY 05 (66°)
No ILS / Visual Only
RWY 23 (246°)
No ILS / Visual Only
A/D YELLOWKNIFE RDO
126.70 MHz
CNTR EDMONTON CNTR
133.85 MHz
UNIC MANDATORY FREQ
122.30 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026