1952
Year
C-GUCB — 1952 Cessna 170BX
C-GUCB is a 1952 Cessna 170BX based in Montreal, Quebec, listed on the Transport Canada Civil Aircraft Register (serial 20308X).
Piston single
Category
Quebec
Based
13
On CA register
The aircraft
Year built1952 · 74 years old
Airframe typeWhether Transport Canada classes it as an aeroplane, a helicopter, a glider, a balloon or a gyroplane.Aeroplane
Engine typeHow the engine makes power. Piston engines run on avgas like a car engine; turboprops and jets burn turbine fuel, cost far more to overhaul, and are usually reserved for bigger or faster aircraft.Piston
Engines1
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.997.9 kg · 2,200 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.Montreal, Quebec
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.Dorval
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.20308X
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.Cessna Aircraft Company
Built inWhere the aircraft was manufactured. Most of Canada's fleet was built in the United States.U.S.A.
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.C079AE
Registration
Registration typePrivate, Commercial or State. Commercial means the registration permits use for hire or reward — charter, flight training, aerial work. It describes the registration, not who owns the aircraft.Private
AirworthinessOwner-maintenance: a Canadian category letting the owner maintain the aircraft themselves without a licensed engineer signing the work off. Three things a buyer should know — it cannot be changed back to a standard Certificate of Airworthiness, it isn't recognised outside Canada, and it typically reduces resale value because it narrows the buyer pool.Special C of A - Owner-maintenance
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 507.03(6) - Owner Maintenance Aircraft
Registered sinceWhen the current registration took effect. A recent date usually means the aircraft changed hands or was re-registered — it is not the date it was built.4 July 2019
Where C-GUCB is, and how to track it
C-GUCB transmits ADS-B under the 24-bit address C079AE. 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 are on the ground most of the time — if a tracker shows nothing, it is very likely parked rather than missing.
How rare is C-GUCB?
The Cessna 170BX is rare in Canada — there are 13 registered on the Transport Canada Civil Aircraft Register — see every one. It's part of the broader Cessna 170 family, with 279 registered in Canada — see fleet numbers, prices and what's for sale.
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Canadian Civil Aircraft Register, current to July 27, 2026. Aircraft data reproduced and distributed with the permission of the Government of Canada. MarketPlane.ca is not affiliated with Transport Canada.