sensors Mode-S transponder

C058D0

ICAO 24-bit transponder address · allocated to Canada

Currently assigned to C-GHQL · DE HAVILLAND DHC-8-400 Dash 8 · operated by Hydro-Qubec

Hex
C058D0
Octal
60054320
Decimal
12,605,648
Country
CA
Tail
C-GHQL
Type
DH8D
No current signal · last broadcast 48m ago
Flights observed
198
Distinct callsigns
15
Country
CA
Last broadcast
48m ago

Last known position

Most recent position reported by Mode-S C058D0.

Country allocation

The ICAO 24-bit address C058D0 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 15 distinct

Callsign Airline Flights Last seen
HYD180 - 25 2026-07-08
HYD143 - 22 2026-07-07
HYD142 - 22 2026-07-14
HYD181 - 19 2026-07-08
HYD163 - 18 2026-07-09
HYD104 - 18 2026-07-03
HYD162 - 16 2026-07-09
HYD101 - 14 2026-07-06
HYD105 - 12 2026-07-03
HYD100 - 12 2026-07-13
HYD401 - 3 2026-07-14
HYD106 - 2 2026-07-10
HYD700 - 1 2026-06-13
HYD400 - 1 2026-07-11
162 - 1 2026-05-28

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-15 HYD180 - Jul 15, 11:20 UTCJul 15, 11:50 UTC30m
2026-07-14 HYD401 - Jul 14, 17:05 UTCJul 14, 17:45 UTC40m
2026-07-14 HYD142 - Jul 14, 10:10 UTCJul 14, 10:45 UTC35m
2026-07-13 - - Jul 13, 19:15 UTCJul 13, 20:10 UTC55m
2026-07-13 HYD100 - Jul 13, 10:35 UTCJul 13, 11:10 UTC35m
2026-07-11 HYD400 YUL → YUL Jul 11, 14:05 UTCJul 11, 14:15 UTC10m
2026-07-10 HYD106 - Jul 10, 14:30 UTCJul 10, 15:10 UTC40m
2026-07-10 HYD106 - Jul 10, 12:00 UTCJul 10, 12:30 UTC30m
2026-07-09 HYD163 - Jul 9, 22:05 UTCJul 9, 22:50 UTC45m
2026-07-09 HYD163 - Jul 9, 20:10 UTCJul 9, 20:20 UTC10m
2026-07-09 HYD162 - Jul 9, 10:50 UTCJul 9, 11:55 UTC1h 5m
2026-07-08 HYD181 - Jul 8, 21:50 UTCJul 8, 22:30 UTC40m
2026-07-08 HYD181 - Jul 8, 20:25 UTCJul 8, 21:05 UTC40m
2026-07-08 HYD180 - Jul 8, 12:55 UTCJul 8, 13:45 UTC50m
2026-07-08 HYD180 - Jul 8, 11:20 UTCJul 8, 11:55 UTC35m
2026-07-07 HYD143 - Jul 7, 21:55 UTCJul 7, 22:30 UTC35m
2026-07-07 HYD143 - Jul 7, 20:05 UTCJul 7, 20:15 UTC10m
2026-07-07 HYD142 - Jul 7, 10:15 UTCJul 7, 10:45 UTC30m
2026-07-06 HYD101 - Jul 6, 19:35 UTCJul 6, 20:30 UTC55m
2026-07-06 - - Jul 6, 10:45 UTCJul 6, 11:20 UTC35m
2026-07-03 HYD105 - Jul 3, 20:30 UTCJul 3, 21:05 UTC35m
2026-07-03 HYD104 - Jul 3, 13:30 UTCJul 3, 13:45 UTC15m
2026-07-03 HYD104 - Jul 3, 11:35 UTCJul 3, 12:25 UTC50m
2026-07-02 HYD163 - Jul 2, 20:20 UTCJul 2, 21:20 UTC1h 0m
2026-07-02 HYD162 - Jul 2, 10:45 UTCJul 2, 12:00 UTC1h 15m
2026-07-01 HYD181 - Jul 1, 21:55 UTCJul 1, 22:30 UTC35m
2026-07-01 HYD181 - Jul 1, 20:25 UTCJul 1, 21:10 UTC45m
2026-07-01 HYD180 - Jul 1, 12:40 UTCJul 1, 13:35 UTC55m
2026-07-01 HYD180 - Jul 1, 11:20 UTCJul 1, 11:55 UTC35m
2026-06-30 HYD143 - Jun 30, 21:45 UTCJun 30, 22:20 UTC35m
2026-06-30 HYD142 - Jun 30, 10:05 UTCJun 30, 10:40 UTC35m
2026-06-29 HYD101 - Jun 29, 19:49 UTCJun 29, 20:40 UTC50m
2026-06-29 HYD100 - Jun 29, 10:44 UTCJun 29, 11:20 UTC35m
2026-06-26 HYD105 - Jun 26, 20:50 UTCJun 26, 21:30 UTC40m
2026-06-26 HYD104 - Jun 26, 13:30 UTCJun 26, 13:40 UTC10m
2026-06-26 HYD104 - Jun 26, 11:40 UTCJun 26, 12:29 UTC50m
2026-06-25 HYD163 YQB → YUL Jun 25, 21:29 UTCJun 25, 22:04 UTC35m
2026-06-25 HYD162 - Jun 25, 10:45 UTCJun 25, 11:50 UTC1h 5m
2026-06-24 HYD181 - Jun 24, 21:44 UTCJun 24, 22:19 UTC35m
2026-06-24 HYD181 - Jun 24, 20:05 UTCJun 24, 20:49 UTC45m
2026-06-24 HYD180 - Jun 24, 12:54 UTCJun 24, 13:34 UTC40m
2026-06-24 HYD180 - Jun 24, 11:24 UTCJun 24, 11:59 UTC35m
2026-06-23 HYD143 - Jun 23, 21:49 UTCJun 23, 22:25 UTC35m
2026-06-23 HYD143 - Jun 23, 19:55 UTCJun 23, 20:04 UTC10m
2026-06-23 HYD142 - Jun 23, 10:04 UTCJun 23, 10:35 UTC30m
2026-06-22 HYD101 - Jun 22, 19:44 UTCJun 22, 20:39 UTC55m
2026-06-22 HYD100 - Jun 22, 10:34 UTCJun 22, 11:09 UTC35m
2026-06-19 HYD105 - Jun 19, 21:34 UTCJun 19, 22:14 UTC40m
2026-06-19 HYD104 - Jun 19, 11:45 UTCJun 19, 12:34 UTC50m
2026-06-18 HYD163 - Jun 18, 21:30 UTCJun 18, 22:05 UTC35m

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

Mode-S C058D0 frequently asked

What is Mode-S code C058D0?
C058D0 is an ICAO 24-bit transponder address. Allocated to Canada. Assigned to C-GHQL.
Where is Mode-S C058D0 registered?
Mode-S code C058D0 is allocated to Canada (CA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is C058D0 broadcasting right now?
No active broadcast right now. Last signal was 48m ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C058D0, octal 60054320, decimal 12,605,648.
What flights does C058D0 operate?
Mode-S C058D0 has broadcast 15 distinct callsigns, including HYD180, HYD143, HYD142, HYD181, HYD163.