1971
Year
C-FEOS — 1971 Scheibe SF 25B
C-FEOS is a 1971 Scheibe SF 25B based in CWF3, Ontario, listed on the Transport Canada Civil Aircraft Register (serial 46172).
Glider / sailplane
Category
Ontario
Based
1
On CA register
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The aircraft
Year built1971 · 55 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.555 kg · 1,224 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.CWF3, Ontario
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.46172
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.Scheibe G.M.B.H.
Built inWhere the aircraft was manufactured. Most of Canada's fleet was built in the United States.Germany
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.C00C0F
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
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 (5)(b) - Ex-military 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.23 October 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.28 February 2005
Where C-FEOS is, and how to track it
C-FEOS transmits ADS-B under the 24-bit address C00C0F. 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-FEOS?
The Scheibe SF 25B is very rare in Canada — there are 1 registered on the Transport Canada Civil Aircraft Register.
- Median year built in Canada's glider / sailplane category: 1978 — C-FEOS is older than half of that fleet.
- One of 15 Scheibe aircraft on the Canadian register, across every model.
- One of 591 aircraft in Canada's glider / sailplane category, 241 of them in Ontario.
- 4 aircraft are based in CWF3.
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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.