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sensors Mode-S transponder

C01B28

ICAO 24-bit transponder address · allocated to Canada

Currently assigned to C-FKHJ · CESSNA 560XL Citation XLS · operated by Air Partners Corp.

Hex
C01B28
Octal
60015450
Decimal
12,589,864
Country
CA
Tail
C-FKHJ
Type
C56X
No current signal · last broadcast Jul 26, 00:15 UTC
Flights observed
74
Distinct callsigns
1
Country
CA
Last broadcast
Jul 26, 00:15 UTC

Last known position

Most recent position reported by Mode-S C01B28.

Country allocation

The ICAO 24-bit address C01B28 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 1 distinct

Callsign Airline Flights Last seen
SDE561 - 74 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 SDE561 - Jul 25, 23:10 UTCJul 25, 23:55 UTC45m
2026-07-25 SDE561 - Jul 25, 17:20 UTCJul 25, 18:00 UTC40m
2026-07-25 SDE561 YYC → YVR Jul 25, 15:05 UTCJul 25, 16:25 UTC1h 20m
2026-07-22 SDE561 - Jul 22, 22:10 UTCJul 22, 23:00 UTC50m
2026-07-21 SDE561 - Jul 21, 17:35 UTCJul 21, 18:15 UTC40m
2026-07-21 SDE561 YVR → YYC Jul 21, 01:00 UTCJul 21, 02:05 UTC1h 5m
2026-07-20 SDE561 - Jul 20, 23:15 UTCJul 21, 00:40 UTC1h 24m
2026-07-20 SDE561 - Jul 20, 17:30 UTCJul 20, 18:10 UTC40m
2026-07-19 SDE561 YYC → YLW Jul 19, 20:10 UTCJul 19, 20:55 UTC45m
2026-07-18 SDE561 - Jul 18, 17:20 UTCJul 18, 18:25 UTC1h 5m
2026-07-18 SDE561 - Jul 18, 15:35 UTCJul 18, 16:50 UTC1h 15m
2026-07-16 SDE561 - Jul 16, 21:40 UTCJul 16, 22:19 UTC40m
2026-07-16 SDE561 YYC → YLW Jul 16, 19:30 UTCJul 16, 20:19 UTC50m
2026-07-16 SDE561 - Jul 16, 15:35 UTCJul 16, 16:40 UTC1h 5m
2026-07-15 SDE561 - Jul 15, 21:10 UTCJul 15, 22:55 UTC1h 45m
2026-07-15 SDE561 - Jul 15, 19:55 UTCJul 15, 20:25 UTC30m
2026-07-15 SDE561 - Jul 15, 18:55 UTCJul 15, 19:20 UTC25m
2026-07-15 SDE561 - Jul 15, 17:05 UTCJul 15, 18:10 UTC1h 5m
2026-07-15 SDE561 - Jul 15, 15:15 UTCJul 15, 15:55 UTC40m
2026-07-13 SDE561 - Jul 13, 21:35 UTCJul 13, 22:25 UTC50m
2026-07-12 SDE561 - Jul 12, 23:05 UTCJul 12, 23:45 UTC40m
2026-07-12 SDE561 - Jul 12, 00:35 UTCJul 12, 01:40 UTC1h 5m
2026-07-11 SDE561 - Jul 11, 22:20 UTCJul 11, 23:45 UTC1h 25m
2026-07-08 SDE561 - Jul 8, 17:45 UTCJul 8, 19:20 UTC1h 35m
2026-07-08 SDE561 - Jul 8, 14:50 UTCJul 8, 15:30 UTC40m
2026-07-07 SDE561 - Jul 7, 23:15 UTCJul 8, 00:20 UTC1h 5m
2026-07-07 SDE561 - Jul 7, 21:20 UTCJul 7, 22:00 UTC40m
2026-07-07 SDE561 - Jul 7, 15:20 UTCJul 7, 15:50 UTC30m
2026-07-07 SDE561 - Jul 7, 13:35 UTCJul 7, 14:45 UTC1h 10m
2026-06-28 SDE561 - Jun 28, 20:39 UTCJun 28, 21:55 UTC1h 15m
2026-06-28 SDE561 - Jun 28, 18:10 UTCJun 28, 19:14 UTC1h 5m
2026-06-24 SDE561 - Jun 24, 02:24 UTCJun 24, 02:49 UTC25m
2026-06-23 SDE561 - Jun 23, 16:54 UTCJun 23, 17:25 UTC30m
2026-06-23 SDE561 - Jun 23, 00:15 UTCJun 23, 00:54 UTC40m
2026-06-22 SDE561 YYC → YLW Jun 22, 22:49 UTCJun 22, 23:39 UTC50m
2026-06-19 SDE561 - Jun 19, 20:55 UTCJun 19, 21:34 UTC40m
2026-06-19 SDE561 - Jun 19, 01:19 UTCJun 19, 01:29 UTC10m
2026-06-19 SDE561 - Jun 19, 00:10 UTCJun 19, 00:45 UTC35m
2026-06-18 SDE561 - Jun 18, 22:35 UTCJun 18, 23:10 UTC35m
2026-06-15 SDE561 - Jun 15, 20:30 UTCJun 15, 21:14 UTC45m
2026-06-12 SDE561 - Jun 12, 15:25 UTCJun 12, 16:30 UTC1h 5m
2026-06-12 SDE561 - Jun 12, 14:30 UTCJun 12, 14:55 UTC25m
2026-06-11 SDE561 - Jun 11, 14:40 UTCJun 11, 14:55 UTC15m
2026-06-10 SDE561 - Jun 10, 15:45 UTCJun 10, 16:15 UTC30m
2026-06-10 SDE561 - Jun 10, 13:05 UTCJun 10, 14:20 UTC1h 15m
2026-05-31 SDE561 - May 31, 17:20 UTCMay 31, 18:05 UTC45m
2026-05-28 SDE561 - May 28, 19:20 UTCMay 28, 19:55 UTC35m
2026-05-20 SDE561 - May 20, 19:55 UTCMay 20, 21:45 UTC1h 50m
2026-05-20 SDE561 - May 20, 15:35 UTCMay 20, 16:40 UTC1h 5m
2026-05-14 SDE561 - May 14, 21:45 UTCMay 14, 23:00 UTC1h 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-FKHJ page for operator, model, and routing details .

Mode-S C01B28 frequently asked

What is Mode-S code C01B28?
C01B28 is an ICAO 24-bit transponder address. Allocated to Canada. Assigned to C-FKHJ.
Where is Mode-S C01B28 registered?
Mode-S code C01B28 is allocated to Canada (CA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is C01B28 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 00:15 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C01B28, octal 60015450, decimal 12,589,864.
What flights does C01B28 operate?
Mode-S C01B28 has broadcast 1 distinct callsign, including SDE561.