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The Pilots Desk
Seaplane base

Hydravion Aventure Water Aerodrome

ICAO CHA2🇨🇦 St-Étienne-des-Grès
Coordinates
46.4778°N, 72.7761°W
Elevation
115 ft (35 m)
Type
Seaplane base
Region
CA-QC
Time zone
Toronto(UTC-04:00)
Magnetic variation
14.2° W

Daylight today(Oct 15, 2026, local time)

Civil dawn
06:39
Sunrise
07:09
Sunset
18:06
Civil dusk
18:37

About 10h 57m 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 Hydravion Aventure Water Aerodrome

Hydravion Aventure Water Aerodrome

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 traffic nearby

Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.

Loading live traffic…

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 (0)

No runway data recorded for this airport.

Services & operations

Services
Scenic FlightsGourmet ExcursionsSeaplane Transfers

From the airport’s official website — details may change, so confirm with the airport. Official site

Airspace in this area(14)

NameClassTypeFloorCeiling
MONTREAL FIR CAEClass BControlled12500 ft MSL18000 ft MSL
T693 AIRWAYClass BControlled12500 ft MSL18000 ft MSL
T781 AIRWAYClass BControlled12500 ft MSL18000 ft MSL
T660 AIRWAYClass BControlled12500 ft MSL18000 ft MSL
T749 AIRWAYClass BControlled12500 ft MSL18000 ft MSL
T781 AIRWAYClass BControlled12500 ft MSL18000 ft MSL
T680 AIRWAYClass BControlled12500 ft MSL18000 ft MSL
T636 AIRWAYClass BControlled12500 ft MSL18000 ft MSL
T781 AIRWAYClass EControlled2200 ft GND12500 ft MSL
T636 AIRWAYClass EControlled2200 ft GND12500 ft MSL
T660 AIRWAYClass EControlled2200 ft GND12500 ft MSL
T680 AIRWAYClass EControlled2200 ft GND12500 ft MSL
T693 AIRWAYClass EControlled2200 ft GND12500 ft MSL
T749 AIRWAYClass EControlled2200 ft GND12500 ft MSL

Approximate bounding-box match from OpenAIP · all Canada airspace. Reference only — consult official charts for exact boundaries and status.

Tall obstacles nearby

ObstacleHeight AGLTop (MSL)Lit
Obstacle—131 ft—
Obstacle—577 ft—
Obstacle—581 ft—
Obstacle—604 ft—

Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.

Nearby airports

Great-circle distance and true bearing from Hydravion Aventure Water Aerodrome.

Official site Wikipedia Live tracking (FR24) Open in Maps
🇨🇦 More airports in Canada📘 Flying in Canada: a pilot's guide

Frequently asked questions

Where is Hydravion Aventure Water Aerodrome located?

Hydravion Aventure Water Aerodrome is seaplane base located in St-Étienne-des-Grès, Canada, at an elevation of 115 ft (35 m).

What time zone is Hydravion Aventure Water Aerodrome in?

Hydravion Aventure Water Aerodrome is in the America/Toronto time zone (UTC-04:00).

What is the magnetic variation at Hydravion Aventure Water Aerodrome?

The magnetic variation (declination) at Hydravion Aventure Water Aerodrome is approximately 14.2° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near Hydravion Aventure Water Aerodrome?

The nearest airport to Hydravion Aventure Water Aerodrome is St-Louis-de-France Airport (CSJ5), about 6.5 nm to the ese, followed by Trois-Rivières Airport and Lac à la Perchaude Airport.

Is the information on this page suitable for flight planning?

No. Hydravion Aventure Water Aerodrome data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.