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sensors Mode-S transponder

C04B8E

ICAO 24-bit transponder address · allocated to Canada

Currently assigned to C-GCPX · SWEARINGEN Merlin 3 · operated by 2080061 Ontario Inc.

Hex
C04B8E
Octal
60045616
Decimal
12,602,254
Country
CA
Tail
C-GCPX
Type
SW3
No current signal · last broadcast Jul 22, 20:35 UTC
Flights observed
251
Distinct callsigns
1
Country
CA
Last broadcast
Jul 22, 20:35 UTC

Last known position

Most recent position reported by Mode-S C04B8E.

Country allocation

The ICAO 24-bit address C04B8E 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
CGCPX - 251 2026-07-22

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-22 CGCPX - Jul 22, 20:15 UTCJul 22, 20:35 UTC20m
2026-07-22 CGCPX - Jul 22, 18:25 UTCJul 22, 18:40 UTC15m
2026-07-22 CGCPX - Jul 22, 16:35 UTCJul 22, 17:00 UTC25m
2026-07-22 CGCPX - Jul 22, 15:50 UTCJul 22, 16:05 UTC15m
2026-07-21 CGCPX - Jul 21, 10:25 UTCJul 21, 10:50 UTC25m
2026-07-20 CGCPX - Jul 20, 21:10 UTCJul 20, 21:20 UTC10m
2026-07-20 CGCPX - Jul 20, 19:20 UTCJul 20, 19:40 UTC20m
2026-07-20 CGCPX - Jul 20, 18:05 UTCJul 20, 18:20 UTC15m
2026-07-20 CGCPX - Jul 20, 13:10 UTCJul 20, 13:30 UTC20m
2026-07-19 CGCPX - Jul 19, 19:45 UTCJul 19, 20:05 UTC20m
2026-07-19 CGCPX - Jul 19, 17:45 UTCJul 19, 18:30 UTC45m
2026-07-19 CGCPX - Jul 19, 14:20 UTCJul 19, 15:00 UTC40m
2026-07-19 CGCPX - Jul 19, 12:55 UTCJul 19, 13:20 UTC25m
2026-07-18 CGCPX - Jul 18, 20:15 UTCJul 18, 20:30 UTC15m
2026-07-18 CGCPX - Jul 18, 15:10 UTCJul 18, 15:25 UTC15m
2026-07-18 CGCPX - Jul 18, 12:45 UTCJul 18, 12:55 UTC10m
2026-07-17 CGCPX - Jul 17, 22:05 UTCJul 17, 22:29 UTC25m
2026-07-17 CGCPX - Jul 17, 20:04 UTCJul 17, 20:35 UTC30m
2026-07-17 CGCPX - Jul 17, 18:50 UTCJul 17, 19:05 UTC15m
2026-07-17 CGCPX - Jul 17, 18:05 UTCJul 17, 18:19 UTC15m
2026-07-17 CGCPX - Jul 17, 15:55 UTCJul 17, 16:10 UTC15m
2026-07-17 CGCPX - Jul 17, 12:50 UTCJul 17, 13:15 UTC25m
2026-07-17 CGCPX - Jul 17, 11:55 UTCJul 17, 12:15 UTC20m
2026-07-17 CGCPX - Jul 17, 07:30 UTCJul 17, 07:50 UTC20m
2026-07-17 CGCPX - Jul 17, 06:20 UTCJul 17, 06:29 UTC10m
2026-07-17 CGCPX - Jul 17, 03:05 UTCJul 17, 03:25 UTC20m
2026-07-17 CGCPX - Jul 17, 00:25 UTCJul 17, 01:05 UTC40m
2026-07-14 CGCPX - Jul 14, 19:25 UTCJul 14, 19:55 UTC30m
2026-07-14 CGCPX - Jul 14, 17:05 UTCJul 14, 17:30 UTC25m
2026-07-14 CGCPX - Jul 14, 15:30 UTCJul 14, 15:50 UTC20m
2026-07-14 CGCPX - Jul 14, 14:15 UTCJul 14, 14:30 UTC15m
2026-07-14 CGCPX - Jul 14, 12:30 UTCJul 14, 13:00 UTC30m
2026-07-14 CGCPX - Jul 14, 11:20 UTCJul 14, 11:30 UTC10m
2026-07-14 CGCPX - Jul 14, 00:45 UTCJul 14, 01:10 UTC25m
2026-07-13 CGCPX - Jul 13, 22:15 UTCJul 13, 22:25 UTC10m
2026-07-13 CGCPX - Jul 13, 16:40 UTCJul 13, 17:05 UTC25m
2026-07-13 CGCPX - Jul 13, 14:10 UTCJul 13, 14:55 UTC45m
2026-07-13 CGCPX - Jul 13, 12:35 UTCJul 13, 13:30 UTC55m
2026-07-13 CGCPX - Jul 13, 11:20 UTCJul 13, 11:35 UTC15m
2026-07-12 CGCPX - Jul 12, 09:35 UTCJul 12, 09:50 UTC15m
2026-07-12 CGCPX - Jul 12, 07:35 UTCJul 12, 08:01 UTC25m
2026-07-12 CGCPX - Jul 12, 04:55 UTCJul 12, 05:05 UTC10m
2026-07-09 CGCPX - Jul 9, 00:55 UTCJul 9, 01:15 UTC20m
2026-07-09 CGCPX - Jul 9, 00:20 UTCJul 9, 00:30 UTC10m
2026-07-08 CGCPX - Jul 8, 21:55 UTCJul 8, 22:15 UTC20m
2026-07-08 CGCPX - Jul 8, 20:05 UTCJul 8, 20:25 UTC20m
2026-07-08 CGCPX - Jul 8, 18:45 UTCJul 8, 19:10 UTC25m
2026-07-08 CGCPX - Jul 8, 17:20 UTCJul 8, 17:40 UTC20m
2026-07-08 CGCPX - Jul 8, 16:00 UTCJul 8, 16:25 UTC25m
2026-07-07 CGCPX - Jul 7, 22:55 UTCJul 7, 23:10 UTC15m

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-GCPX page for operator, model, and routing details .

Mode-S C04B8E frequently asked

What is Mode-S code C04B8E?
C04B8E is an ICAO 24-bit transponder address. Allocated to Canada. Assigned to C-GCPX.
Where is Mode-S C04B8E registered?
Mode-S code C04B8E is allocated to Canada (CA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is C04B8E broadcasting right now?
No active broadcast right now. Last signal was Jul 22, 20:35 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C04B8E, octal 60045616, decimal 12,602,254.
What flights does C04B8E operate?
Mode-S C04B8E has broadcast 1 distinct callsign, including CGCPX.