1976
Year
C-GLGM — 1976 Pilatus B4-PC11AF
C-GLGM is a 1976 Pilatus B4-PC11AF based in Port Alberni, British Columbia, listed on the Transport Canada Civil Aircraft Register (serial 186).
Glider / sailplane
Category
British Columbia
Based
2
Of this type in Canada
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The aircraft
Year built1976 · 50 years old
Airframe typeWhether Transport Canada classes it as an aeroplane, a helicopter, a glider, a balloon or a gyroplane.Glider
Max take-off weightMaximum take-off weight: the heaviest the aircraft may legally be when it starts its take-off roll, including fuel, people and baggage. It's the number that decides what licence and ratings you need, and what it costs to park.350 kg · 772 lb
Where it's based
BasedThe city or airport Transport Canada holds as the aircraft's base. Where the field holds a four-letter code like CYXE, that's the airport's ICAO identifier.Port Alberni, British Columbia
Transport Canada officeThe Transport Canada regional office that administers this registration. It follows the owner's address, so it isn't always the nearest office to where the aircraft actually sits.Vancouver
Identity
Serial numberThe manufacturer's own number for this individual airframe, stamped on a plate. Unlike the registration, it never changes. It identifies the aircraft across every country it's ever been registered in.186
ManufacturerThe full legal name of the company that built it, which is often not the name on the tail. A Cessna 172 built in 2022 was made by Textron Aviation.Pilatus Aircraft LTD.
Built inWhere the aircraft was manufactured. Most of Canada's fleet was built in the United States.Switzerland
ICAO 24-bit addressA unique 24-bit number your transponder broadcasts with every Mode S and ADS-B message. Flight trackers key on it rather than the tail number. Canada's block runs C00000 to C3FFFF, which is why Canadian aircraft nearly all start C0 to C3. Transport Canada assigns it against the registration, so it changes if the aircraft is re-registered.C0625D
Registration
Registration typePrivate, Commercial or State. Commercial means the registration permits use for hire or reward, like charter, flight training or aerial work. It describes the registration, not who owns the aircraft.Private
AirworthinessThe standard certificate: the aircraft conforms to its approved design and is maintained by a licensed engineer. No restrictions beyond the type's own, and it's what buyers and lenders expect to see.Certificate of Airworthiness
Basis of registrationThe rule the aircraft is registered under. Most are registered against a type certificate, meaning they're a factory design approved by the regulator; amateur-built and ultralight aircraft come in under their own standards.CAR Standard 507.02, 507.03 - Type Certificate
Type certificateThe approval number for the aircraft's design, issued to the manufacturer. Every aircraft built to that approved design shares it, so it's a good way to confirm exactly which variant you're looking at.G96
Registered sinceWhen the current registration took effect. A recent date usually means the aircraft changed hands or was re-registered. It isn't the year it was built.19 January 2023
Imported to CanadaWhen the aircraft was first brought onto the Canadian register from abroad. Only recorded for imported aircraft, which is about a third of the fleet.14 October 2009
Where C-GLGM is, and how to track it
C-GLGM transmits ADS-B under the 24-bit address C0625D. Trackers key on that address rather than the tail number, so it finds the aircraft even on flights flown under a different callsign. Transport Canada assigns the address against the registration, so it changes if the aircraft is re-registered.
Most private aircraft spend most of their time on the ground. If a tracker shows nothing, it's probably just parked.
The owner of record and the certificate history are on Transport Canada's own lookup: see C-GLGM on the Transport Canada register →
How rare is C-GLGM?
The Pilatus B4-PC11AF is very rare in Canada. There are 2 on the register.
- All 2 are in British Columbia.
- Half of Canada's glider / sailplane aircraft were built before 1978. C-GLGM is older than most.
- Canada has 156 Pilatus aircraft of all models.
- Canada has 591 glider / sailplane aircraft, 76 of them in British Columbia.
- 24 aircraft are based in Port Alberni. See them all →
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Other Pilatus B4-PC11AF in Canada
C-GXSO 1977 · all Pilatus B4-PC11AF →
Own this aircraft?
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Canadian Civil Aircraft Register, current to September 17, 2026. Aircraft data reproduced and distributed with the permission of the Government of Canada. MarketPlane.ca is not affiliated with Transport Canada.