Apparatus

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sensors Mode-S transponder

C00D51

ICAO 24-bit transponder address · allocated to Canada

Currently assigned to C-FFBC · BOEING 737 MAX 8 · operated by Flair Airlines Ltd

Hex
C00D51
Octal
60006521
Decimal
12,586,321
Country
CA
Tail
C-FFBC
Type
B38M
No current signal · last broadcast 53m ago
Flights observed
398
Distinct callsigns
20
Country
CA
Last broadcast
53m ago

Last known position

Most recent position reported by Mode-S C00D51.

Country allocation

The ICAO 24-bit address C00D51 falls within the block assigned to Canada (CA) by ICAO Annex 10, Volume III. Every aircraft registered in Canada receives a permanent address from this block at the time of registration; the address stays with the airframe even if the aircraft is re-registered to a different operator within the country.

Callsign history 20 distinct

Callsign Airline Flights Last seen
FLE2820 - 18 2026-07-13
FLE2821 - 14 2026-07-13
FLE622 - 10 2026-06-22
FLE623 - 9 2026-06-22
FLE804 - 8 2026-07-12
FLE600 - 8 2026-07-14
FLE805 - 7 2026-07-12
FLE639 - 7 2026-07-06
FLE638 - 7 2026-07-06
FLE601 - 7 2026-07-12
FLE2627 - 7 2026-07-06
FLE2626 - 7 2026-07-06
FLE823 Flair Airlines 6 2026-05-16
FLE822 Flair Airlines 6 2026-05-16
FLE637 - 6 2026-07-04
FLE636 - 6 2026-07-04
FLE628 - 6 2026-07-03
FLE624 - 6 2026-06-20
FLE821 - 5 2026-07-09
FLE820 - 5 2026-07-09

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 FLE600 YVR → YYZ Jul 14, 06:05 UTCJul 14, 10:00 UTC3h 55m
2026-07-14 FLE1849 OAK → YVR Jul 14, 02:35 UTCJul 14, 04:10 UTC1h 35m
2026-07-13 FLE1848 - Jul 13, 23:10 UTCJul 14, 01:20 UTC2h 10m
2026-07-13 FLE1889 - Jul 13, 18:50 UTCJul 13, 21:00 UTC2h 10m
2026-07-13 FLE1888 - Jul 13, 15:05 UTCJul 13, 17:50 UTC2h 45m
2026-07-13 FLE2821 - Jul 13, 08:05 UTCJul 13, 12:05 UTC4h 0m
2026-07-13 FLE2821 - Jul 13, 07:20 UTCJul 13, 07:30 UTC10m
2026-07-13 FLE2820 - Jul 13, 05:20 UTCJul 13, 05:35 UTC15m
2026-07-13 FLE2820 - Jul 13, 00:25 UTCJul 13, 04:35 UTC4h 10m
2026-07-12 FLE805 YYC → YVR Jul 12, 21:55 UTCJul 12, 23:10 UTC1h 15m
2026-07-12 FLE804 YVR → YYC Jul 12, 19:35 UTCJul 12, 20:35 UTC1h 0m
2026-07-12 FLE601 YYZ → YVR Jul 12, 13:35 UTCJul 12, 18:20 UTC4h 45m
2026-07-12 FLE600 YVR → YYZ Jul 12, 08:01 UTCJul 12, 12:01 UTC4h 0m
2026-07-11 FLE2855 YVR → YVR Jul 11, 16:55 UTCJul 12, 04:55 UTC12h 0m
2026-07-11 FLE2821 - Jul 11, 07:55 UTCJul 11, 12:00 UTC4h 5m
2026-07-11 FLE2821 - Jul 11, 07:05 UTCJul 11, 07:20 UTC15m
2026-07-11 FLE2820 - Jul 11, 05:15 UTCJul 11, 05:20 UTC5m
2026-07-11 FLE2820 - Jul 11, 00:20 UTCJul 11, 04:25 UTC4h 5m
2026-07-10 FLE805 YYC → YVR Jul 10, 20:35 UTCJul 10, 21:45 UTC1h 10m
2026-07-10 FLE804 YVR → YYC Jul 10, 18:05 UTCJul 10, 19:05 UTC1h 0m
2026-07-10 FLE601 YYZ → YVR Jul 10, 11:55 UTCJul 10, 16:45 UTC4h 50m
2026-07-10 FLE600 YVR → YYZ Jul 10, 06:05 UTCJul 10, 10:05 UTC4h 0m
2026-07-10 FLE809 - Jul 10, 03:15 UTCJul 10, 04:25 UTC1h 10m
2026-07-10 FLE808 YVR → YYC Jul 10, 01:00 UTCJul 10, 02:00 UTC1h 0m
2026-07-09 FLE821 - Jul 9, 22:10 UTCJul 9, 23:35 UTC1h 25m
2026-07-09 FLE820 YVR → YEG Jul 9, 20:05 UTCJul 9, 21:10 UTC1h 5m
2026-07-09 FLE801 YYC → YVR Jul 9, 17:45 UTCJul 9, 19:00 UTC1h 15m
2026-07-09 FLE800 YVR → YYC Jul 9, 15:05 UTCJul 9, 16:05 UTC1h 0m
2026-07-09 FLE825 - Jul 9, 03:30 UTCJul 9, 04:50 UTC1h 20m
2026-07-09 FLE824 YVR → YEG Jul 9, 00:55 UTCJul 9, 02:05 UTC1h 10m
2026-07-08 FLE807 YYC → YVR Jul 8, 22:30 UTCJul 8, 23:40 UTC1h 10m
2026-07-08 FLE806 - Jul 8, 19:55 UTCJul 8, 21:00 UTC1h 5m
2026-07-08 FLE107 YUL → YVR Jul 8, 13:00 UTCJul 8, 18:15 UTC5h 15m
2026-07-08 FLE106 - Jul 8, 07:00 UTCJul 8, 11:20 UTC4h 20m
2026-07-08 FLE809 YYC → YVR Jul 8, 04:35 UTCJul 8, 05:40 UTC1h 5m
2026-07-08 FLE808 - Jul 8, 01:55 UTCJul 8, 03:00 UTC1h 5m
2026-07-07 FLE821 - Jul 7, 22:45 UTCJul 8, 00:00 UTC1h 15m
2026-07-07 FLE820 - Jul 7, 20:15 UTCJul 7, 21:25 UTC1h 10m
2026-07-07 FLE801 YYC → YVR Jul 7, 18:00 UTCJul 7, 19:10 UTC1h 10m
2026-07-07 FLE800 YVR → YYC Jul 7, 15:25 UTCJul 7, 16:30 UTC1h 5m
2026-07-07 FLE603 - Jul 7, 01:35 UTCJul 7, 06:20 UTC4h 45m
2026-07-06 FLE638 - Jul 6, 19:55 UTCJul 6, 23:30 UTC3h 35m
2026-07-06 FLE639 - Jul 6, 14:55 UTCJul 6, 18:40 UTC3h 45m
2026-07-06 FLE2627 - Jul 6, 07:00 UTCJul 6, 11:00 UTC4h 0m
2026-07-06 FLE2626 YYZ → MEX Jul 6, 00:45 UTCJul 6, 05:15 UTC4h 30m
2026-07-05 FLE638 - Jul 5, 20:00 UTCJul 5, 23:20 UTC3h 20m
2026-07-05 FLE639 YYZ → YEG Jul 5, 15:00 UTCJul 5, 18:50 UTC3h 50m
2026-07-05 FLE664 - Jul 5, 07:15 UTCJul 5, 11:00 UTC3h 45m
2026-07-05 FLE665 - Jul 5, 01:25 UTCJul 5, 06:05 UTC4h 40m
2026-07-04 FLE638 - Jul 4, 20:15 UTCJul 4, 23:30 UTC3h 15m

About Mode-S

A Mode-S transponder code (also called an "ICAO 24-bit address" or "hex code") is a 6-character hexadecimal identifier permanently assigned to an aircraft when it's first registered. Unlike callsigns (which change with each flight) or registrations (which can change if an aircraft is sold internationally), the Mode-S address stays with the airframe for the life of the aircraft in that country.

Every ADS-B transmission from an aircraft includes its Mode-S address, making it the most reliable way to identify a specific airframe. Flight-tracking services like Apparatus use the Mode-S address as the primary key for tying position broadcasts, callsigns, and ownership records together.

Prefer a tail-number view? See the C-FFBC page for operator, model, and routing details .

Mode-S C00D51 frequently asked

What is Mode-S code C00D51?
C00D51 is an ICAO 24-bit transponder address. Allocated to Canada. Assigned to C-FFBC.
Where is Mode-S C00D51 registered?
Mode-S code C00D51 is allocated to Canada (CA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is C00D51 broadcasting right now?
No active broadcast right now. Last signal was 53m ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C00D51, octal 60006521, decimal 12,586,321.
What flights does C00D51 operate?
Mode-S C00D51 has broadcast 20 distinct callsigns, including FLE2820, FLE2821, FLE622, FLE623, FLE804.