Reference only — not for real-world navigation.
CTT5
La Romaine Airport · Le Golfe-du-Saint-Laurent
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
90 ft / 27 m
Transition Altitude
18,000 ft
Primary Channel
ATF 123.50 MHz (ATF)
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
11/29 · 3,938 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for La Romaine Airport (CTT5), located in Le Golfe-du-Saint-Laurent, Canada. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 1 active runway with a maximum elevation of 90 ft. Please note that this field primarily supports VFR and visual approach procedures.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
La Romaine Airport
ICAO / IATA
CTT5 / ZGS
Municipality
Le Golfe-du-Saint-Laurent
Country
Region
CA-QC — Quebec
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
90 ft
Wikipedia
Pilot Toolbox
External charts, live tracking and weather reports.
Runway 11 / 29
LIGHTED
Runway Length: 3,938 ft / 1,200 m
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 93° / 273°
Runway Width: 100 ft / 30 m
Surface Type: Asphalt
Heading: 93° / 273°
RWY 11 (93°)
No ILS / Visual Only
RWY 29 (273°)
No ILS / Visual Only
ATF ATF
123.50 MHz
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026