sensors Mode-S transponder

C0523F

ICAO 24-bit transponder address · allocated to Canada

Currently assigned to C-GFDU · AIRBUS A-320 · operated by Air Canada rouge LP

Hex
C0523F
Octal
60051077
Decimal
12,603,967
Country
CA
Tail
C-GFDU
Type
A320
Broadcasting now · callsign ROU1704 · 34,975 ft
Flights observed
478
Distinct callsigns
20
Country
CA
Last broadcast
Jul 26, 20:15 UTC

Current position

C0523F is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address C0523F 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

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 ROU1617 TPA → YUL Jul 26, 17:25 UTCJul 26, 20:10 UTC2h 45m
2026-07-26 ROU1656 YYZ → TPA Jul 26, 13:35 UTCJul 26, 15:45 UTC2h 10m
2026-07-26 ROU1907 YDF → YYZ Jul 26, 01:35 UTCJul 26, 09:55 UTC8h 21m
2026-07-25 ROU1702 LAS → YYZ Jul 25, 19:15 UTCJul 25, 23:10 UTC3h 55m
2026-07-25 ROU1701 YYZ → LAS Jul 25, 13:40 UTCJul 25, 17:50 UTC4h 10m
2026-07-24 ROU2017 MCO → YYZ Jul 24, 22:25 UTCJul 25, 00:15 UTC1h 50m
2026-07-24 ROU2014 YYZ → YYG Jul 24, 19:40 UTCJul 24, 21:20 UTC1h 40m
2026-07-24 ROU2015 YYT → YYZ Jul 24, 16:15 UTCJul 24, 18:10 UTC1h 55m
2026-07-24 ROU2012 YYZ → YHZ Jul 24, 12:40 UTCJul 24, 14:30 UTC1h 50m
2026-07-24 ROU2012 YYZ → YHZ Jul 24, 12:38 UTCJul 24, 14:20 UTC1h 42m
2026-07-24 ROU1677 MCO → YYZ Jul 24, 00:50 UTCJul 24, 03:15 UTC2h 25m
2026-07-23 ROU1674 YYZ → MCO Jul 23, 21:05 UTCJul 23, 23:15 UTC2h 10m
2026-07-23 ROU1674 YYZ → MCO Jul 23, 21:04 UTCJul 23, 23:10 UTC2h 6m
2026-07-23 ROU1665 RSW → YYZ Jul 23, 15:50 UTCJul 23, 17:45 UTC1h 55m
2026-07-23 ROU1665 RSW → YYZ Jul 23, 15:49 UTCJul 23, 18:18 UTC2h 29m
2026-07-23 ROU1664 - Jul 23, 14:00 UTCJul 23, 14:35 UTC35m
2026-07-23 ROU1664 - Jul 23, 12:00 UTCJul 23, 13:55 UTC1h 55m
2026-07-23 ROU1649 MIA → YYZ Jul 23, 02:30 UTCJul 23, 05:05 UTC2h 35m
2026-07-23 ROU1649 MIA → YYZ Jul 23, 02:29 UTCJul 23, 05:06 UTC2h 37m
2026-07-22 ROU1646 YUL → MIA Jul 22, 22:35 UTCJul 23, 01:15 UTC2h 40m
2026-07-22 ROU1675 MCO → YYZ Jul 22, 16:10 UTCJul 22, 18:25 UTC2h 15m
2026-07-22 ROU1670 - Jul 22, 12:45 UTCJul 22, 14:55 UTC2h 10m
2026-07-22 ROU1661 TPA → YYZ Jul 22, 02:05 UTCJul 22, 04:35 UTC2h 30m
2026-07-22 ROU1661 TPA → YYZ Jul 22, 02:01 UTCJul 22, 04:31 UTC2h 30m
2026-07-21 ROU1616 YUL → TPA Jul 21, 21:20 UTCJul 22, 01:00 UTC3h 40m
2026-07-21 ROU1617 TPA → YUL Jul 21, 16:20 UTCJul 21, 19:25 UTC3h 5m
2026-07-21 ROU1656 YYZ → TPA Jul 21, 12:50 UTCJul 21, 15:15 UTC2h 25m
2026-07-21 ROU1656 YYZ → TPA Jul 21, 12:47 UTCJul 21, 15:01 UTC2h 14m
2026-07-21 ROU2013 CUN → YYZ Jul 21, 08:35 UTCJul 21, 10:40 UTC2h 5m
2026-07-21 ROU2016 YUL → MCO Jul 21, 00:55 UTCJul 21, 02:40 UTC1h 45m
2026-07-20 ROU1702 LAS → YYZ Jul 20, 19:35 UTCJul 20, 23:25 UTC3h 50m
2026-07-20 ROU1702 LAS → YYZ Jul 20, 19:33 UTCJul 20, 23:15 UTC3h 42m
2026-07-20 ROU1701 YYZ → LAS Jul 20, 13:45 UTCJul 20, 17:50 UTC4h 5m
2026-07-20 ROU1704 LAS → YYZ Jul 20, 07:00 UTCJul 20, 10:45 UTC3h 45m
2026-07-20 ROU1705 YYZ → LAS Jul 20, 01:30 UTCJul 20, 05:15 UTC3h 45m
2026-07-20 ROU1705 - Jul 20, 01:30 UTCJul 20, 05:30 UTC4h 0m
2026-07-19 ROU1702 LAS → YYZ Jul 19, 19:15 UTCJul 19, 23:10 UTC3h 55m
2026-07-19 ROU1701 - Jul 19, 13:45 UTCJul 19, 17:40 UTC3h 55m
2026-07-19 ROU1661 TPA → YYZ Jul 19, 02:05 UTCJul 19, 04:30 UTC2h 25m
2026-07-18 ROU1616 YUL → TPA Jul 18, 21:55 UTCJul 19, 00:50 UTC2h 55m
2026-07-18 ROU1617 TPA → YUL Jul 18, 16:00 UTCJul 18, 18:50 UTC2h 50m
2026-07-18 ROU1617 TPA → YUL Jul 18, 16:00 UTCJul 18, 18:46 UTC2h 46m
2026-07-18 ROU1656 YYZ → TPA Jul 18, 12:30 UTCJul 18, 14:45 UTC2h 15m
2026-07-18 ROU1902 - Jul 18, 05:45 UTCJul 18, 09:40 UTC3h 55m
2026-07-17 ROU1903 YYZ → YYJ Jul 17, 23:39 UTCJul 18, 04:25 UTC4h 46m
2026-07-17 ROU2055 - Jul 17, 17:05 UTCJul 17, 17:44 UTC40m
2026-07-17 ROU2055 YYT → YYZ Jul 17, 16:11 UTCJul 17, 18:54 UTC2h 43m
2026-07-17 ROU2052 - Jul 17, 12:15 UTCJul 17, 13:45 UTC1h 30m
2026-07-17 ROU2052 YYZ → YYT Jul 17, 12:10 UTCJul 17, 14:36 UTC2h 26m
2026-07-16 ROU1968 YQT → YYZ Jul 16, 23:49 UTCJul 17, 01:00 UTC1h 10m

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

Mode-S C0523F frequently asked

What is Mode-S code C0523F?
C0523F is an ICAO 24-bit transponder address. Allocated to Canada. Assigned to C-GFDU.
Where is Mode-S C0523F registered?
Mode-S code C0523F is allocated to Canada (CA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is C0523F broadcasting right now?
Yes. Mode-S C0523F is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C0523F, octal 60051077, decimal 12,603,967.
What flights does C0523F operate?
Mode-S C0523F has broadcast 20 distinct callsigns, including ROU1720, ROU1721, ROU1702, ROU1701, ROU1675.