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The Pilots Desk
Seaplane base

Lac Sébastien Seaplane Base

ICAO CTD3
Coordinates
48.6517°N, 71.1458°W
Type
Seaplane base
Region
CA-QC
Time zone
Toronto(UTC-04:00)
Magnetic variation
15.4° W

Daylight today(Jul 15, 2026, local time)

Civil dawn
04:18
Sunrise
04:59
Sunset
20:44
Civil dusk
21:24

About 15h 45m 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 Lac Sébastien Seaplane Base

Lac Sébastien Seaplane Base

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.

Map

Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.

Runways (0)

No runway data recorded for this airport.

Radio frequencies (1)

TypeDescriptionFrequency
ATF123.500 MHz

Airspace in this area(8)

NameClassTypeFloorCeiling
T693 AIRWAYClass BControlled12500 ft MSL18000 ft MSL
MONTREAL FIR CAEClass BControlled12500 ft MSL18000 ft MSL
BAGOTVILLE, QC TCAClass DControlled1200 ft GND12500 ft MSL
MONTREAL FIR CAEClass EControlled6000 ft MSL12500 ft MSL
BAGOTVILLE, QC TCAClass EControlled700 ft GND12500 ft MSL
T693 AIRWAYClass EControlled2200 ft GND12500 ft MSL
CYR630 BAGOTVILLE, QCSpecial useRestricted6000 ft MSLFL310
CYR666 BAGOTVILLE, QC OCSL BY NOTAMSpecial useRestrictedFL310FL600

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
Obstacle367 ft
Obstacle420 ft
Obstacle1,266 ft
Obstacle1,243 ft
Obstacle492 ft

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

Nearby airports

Great-circle distance and true bearing from Lac Sébastien Seaplane Base.

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

Frequently asked questions

Where is Lac Sébastien Seaplane Base located?

Lac Sébastien Seaplane Base is seaplane base located in Canada.

What time zone is Lac Sébastien Seaplane Base in?

Lac Sébastien Seaplane Base is in the America/Toronto time zone (UTC-04:00).

What is the magnetic variation at Lac Sébastien Seaplane Base?

The magnetic variation (declination) at Lac Sébastien Seaplane Base is approximately 15.4° W, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near Lac Sébastien Seaplane Base?

The nearest airport to Lac Sébastien Seaplane Base is Chicoutimi/Saint-Honoré Aerodrome (CYRC), about 8.7 nm to the sse, followed by Saguenay-Bagotville Airport and Alma Airport.

Is the information on this page suitable for flight planning?

No. Lac Sébastien Seaplane Base data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.