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sensors Mode-S transponder

C055B9

ICAO 24-bit transponder address · allocated to Canada

Currently assigned to C-GGMA · CESSNA 172 Skyhawk · operated by Abbotsford Flying Club

Hex
C055B9
Octal
60052671
Decimal
12,604,857
Country
CA
Tail
C-GGMA
Type
C172
No current signal · last broadcast 2d ago
Flights observed
107
Distinct callsigns
1
Country
CA
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S C055B9.

Country allocation

The ICAO 24-bit address C055B9 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
CGGMA - 107 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 CGGMA - Jul 25, 20:20 UTCJul 25, 21:05 UTC45m
2026-07-25 CGGMA YXX → YXX Jul 25, 18:55 UTCJul 25, 19:40 UTC45m
2026-07-23 CGGMA - Jul 23, 01:40 UTCJul 23, 02:15 UTC35m
2026-07-22 CGGMA - Jul 22, 18:25 UTCJul 22, 18:55 UTC30m
2026-07-22 CGGMA - Jul 22, 05:00 UTCJul 22, 05:10 UTC10m
2026-07-22 CGGMA - Jul 22, 02:40 UTCJul 22, 03:35 UTC55m
2026-07-21 CGGMA - Jul 21, 18:10 UTCJul 21, 18:20 UTC10m
2026-07-21 CGGMA - Jul 21, 17:15 UTCJul 21, 17:30 UTC15m
2026-07-21 CGGMA - Jul 21, 04:15 UTCJul 21, 05:05 UTC50m
2026-07-20 CGGMA - Jul 20, 18:35 UTCJul 20, 18:45 UTC10m
2026-07-20 CGGMA - Jul 20, 17:05 UTCJul 20, 17:20 UTC15m
2026-07-20 CGGMA - Jul 20, 04:20 UTCJul 20, 05:15 UTC55m
2026-07-15 CGGMA - Jul 15, 03:55 UTCJul 15, 05:05 UTC1h 10m
2026-07-14 CGGMA - Jul 14, 04:00 UTCJul 14, 04:35 UTC35m
2026-07-13 CGGMA - Jul 13, 23:00 UTCJul 13, 23:35 UTC35m
2026-07-12 CGGMA - Jul 12, 01:55 UTCJul 12, 02:10 UTC15m
2026-07-12 CGGMA - Jul 12, 00:55 UTCJul 12, 01:10 UTC15m
2026-07-11 CGGMA - Jul 11, 20:35 UTCJul 11, 21:25 UTC50m
2026-07-10 CGGMA - Jul 10, 00:35 UTCJul 10, 01:15 UTC40m
2026-07-10 CGGMA - Jul 10, 00:20 UTCJul 10, 00:30 UTC10m
2026-07-09 CGGMA - Jul 9, 23:30 UTCJul 9, 23:55 UTC25m
2026-07-08 CGGMA - Jul 8, 18:10 UTCJul 8, 18:25 UTC15m
2026-07-08 CGGMA YXX → YCW Jul 8, 17:00 UTCJul 8, 17:15 UTC15m
2026-07-07 CGGMA - Jul 7, 18:00 UTCJul 7, 18:10 UTC10m
2026-07-07 CGGMA - Jul 7, 17:10 UTCJul 7, 17:25 UTC15m
2026-07-06 CGGMA - Jul 6, 18:40 UTCJul 6, 18:50 UTC10m
2026-07-06 CGGMA - Jul 6, 17:25 UTCJul 6, 17:45 UTC20m
2026-07-05 CGGMA - Jul 5, 18:55 UTCJul 5, 19:05 UTC10m
2026-07-05 CGGMA - Jul 5, 16:45 UTCJul 5, 16:55 UTC10m
2026-07-04 CGGMA YXX → YXX Jul 4, 04:35 UTCJul 4, 04:55 UTC20m
2026-07-04 CGGMA - Jul 4, 02:05 UTCJul 4, 02:30 UTC25m
2026-06-30 CGGMA - Jun 30, 18:50 UTCJun 30, 19:00 UTC10m
2026-06-30 CGGMA - Jun 30, 17:55 UTCJun 30, 18:20 UTC25m
2026-06-29 CGGMA - Jun 29, 19:05 UTCJun 29, 19:15 UTC10m
2026-06-29 CGGMA - Jun 29, 18:19 UTCJun 29, 18:34 UTC15m
2026-06-29 CGGMA - Jun 29, 01:55 UTCJun 29, 02:59 UTC1h 5m
2026-06-27 CGGMA YXX → YXX Jun 27, 17:29 UTCJun 27, 17:49 UTC20m
2026-06-26 CGGMA - Jun 26, 02:20 UTCJun 26, 02:44 UTC25m
2026-06-26 CGGMA - Jun 26, 01:54 UTCJun 26, 02:14 UTC20m
2026-06-23 CGGMA - Jun 23, 17:25 UTCJun 23, 18:25 UTC1h 0m
2026-06-23 CGGMA - Jun 23, 00:19 UTCJun 23, 01:30 UTC1h 10m
2026-06-23 CGGMA - Jun 23, 00:00 UTCJun 23, 00:15 UTC15m
2026-06-22 CGGMA - Jun 22, 18:09 UTCJun 22, 18:49 UTC40m
2026-06-22 CGGMA - Jun 22, 16:14 UTCJun 22, 17:29 UTC1h 15m
2026-06-21 CGGMA YDT → YXX Jun 21, 23:55 UTCJun 22, 00:10 UTC15m
2026-06-21 CGGMA - Jun 21, 20:59 UTCJun 21, 21:49 UTC50m
2026-06-21 CGGMA - Jun 21, 18:04 UTCJun 21, 19:00 UTC55m
2026-06-21 CGGMA - Jun 21, 15:34 UTCJun 21, 15:49 UTC15m
2026-06-19 CGGMA - Jun 19, 20:09 UTCJun 19, 22:09 UTC2h 0m
2026-06-19 CGGMA - Jun 19, 04:29 UTCJun 19, 04:39 UTC10m

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

Mode-S C055B9 frequently asked

What is Mode-S code C055B9?
C055B9 is an ICAO 24-bit transponder address. Allocated to Canada. Assigned to C-GGMA.
Where is Mode-S C055B9 registered?
Mode-S code C055B9 is allocated to Canada (CA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is C055B9 broadcasting right now?
No active broadcast right now. Last signal was 2d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C055B9, octal 60052671, decimal 12,604,857.
What flights does C055B9 operate?
Mode-S C055B9 has broadcast 1 distinct callsign, including CGGMA.