sensors Mode-S transponder
C051DA
ICAO 24-bit transponder address · allocated to Canada
Currently assigned to C-GEZX · AIRBUS A-321 · operated by Air Transat A T Inc.
- Hex
- C051DA
- Octal
- 60050732
- Decimal
- 12,603,866
- Country
- CA
- Tail
- C-GEZX
- Type
- A321
- Flights observed
- 189
- Distinct callsigns
- 20
- Country
- CA
- Last broadcast
- 8h ago
Current position
Country allocation
The ICAO 24-bit address C051DA 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
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| TSC772 | - | 12 | 2026-07-13 |
| TSC326 | Air Transat | 11 | 2026-06-05 |
| TSC923 | Air Transat | 10 | 2026-04-28 |
| TSC922 | Air Transat | 8 | 2026-04-27 |
| TSC327 | Air Transat | 8 | 2026-06-05 |
| TSC773 | - | 7 | 2026-07-13 |
| TSC399 | Air Transat | 7 | 2026-07-02 |
| TSC539 | Air Transat | 6 | 2026-07-05 |
| TSC538 | - | 6 | 2026-07-05 |
| TSC830 | Air Transat | 5 | 2026-04-26 |
| TSC739 | - | 5 | 2026-07-11 |
| TSC165 | Air Transat | 5 | 2026-05-29 |
| TSC652 | - | 4 | 2026-06-21 |
| TSC187 | Air Transat | 4 | 2026-06-03 |
| TSC939 | - | 3 | 2026-07-09 |
| TSC938 | - | 3 | 2026-07-08 |
| TSC866 | Air Transat | 3 | 2026-04-21 |
| TSC729 | - | 3 | 2026-07-10 |
| TSC684 | Air Transat | 3 | 2026-05-05 |
| TSC647 | Air Transat | 3 | 2026-04-28 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-13 | TSC498 | - | Jul 13, 18:45 UTC | Jul 13, 19:45 UTC | 1h 0m |
| 2026-07-13 | TSC773 | KEF → YUL | Jul 13, 10:45 UTC | Jul 13, 15:45 UTC | 5h 0m |
| 2026-07-13 | TSC772 | - | Jul 13, 08:20 UTC | Jul 13, 08:40 UTC | 20m |
| 2026-07-13 | TSC772 | - | Jul 13, 03:50 UTC | Jul 13, 04:35 UTC | 45m |
| 2026-07-12 | TSC398 | YUL → YUL | Jul 12, 13:35 UTC | Jul 12, 23:45 UTC | 10h 10m |
| 2026-07-11 | TSC739 | YUL → YUL | Jul 11, 11:20 UTC | Jul 11, 22:01 UTC | 10h 40m |
| 2026-07-10 | TSC729 | KEF → YUL | Jul 10, 17:15 UTC | Jul 10, 22:25 UTC | 5h 10m |
| 2026-07-10 | TSC729 | LGW → KEF | Jul 10, 13:05 UTC | Jul 10, 15:55 UTC | 2h 50m |
| 2026-07-10 | TSC728 | YUL → LGW | Jul 10, 02:40 UTC | Jul 10, 11:10 UTC | 8h 30m |
| 2026-07-09 | TSC739 | YUL → YUL | Jul 9, 11:20 UTC | Jul 9, 22:05 UTC | 10h 45m |
| 2026-07-09 | TSC939 | CUN → YUL | Jul 9, 00:40 UTC | Jul 9, 04:30 UTC | 3h 50m |
| 2026-07-08 | TSC938 | YUL → CUN | Jul 8, 19:45 UTC | Jul 8, 23:30 UTC | 3h 45m |
| 2026-07-08 | TSC773 | KEF → YUL | Jul 8, 13:15 UTC | Jul 8, 18:05 UTC | 4h 50m |
| 2026-07-08 | TSC772 | YUL → KEF | Jul 8, 03:40 UTC | Jul 8, 08:30 UTC | 4h 50m |
| 2026-07-07 | TSC601 | - | Jul 7, 19:05 UTC | Jul 7, 23:50 UTC | 4h 45m |
| 2026-07-07 | TSC600 | - | Jul 7, 11:50 UTC | Jul 7, 15:05 UTC | 3h 15m |
| 2026-07-06 | TSC498 | - | Jul 6, 18:40 UTC | Jul 7, 04:30 UTC | 9h 50m |
| 2026-07-06 | TSC773 | KEF → YUL | Jul 6, 11:05 UTC | Jul 6, 16:00 UTC | 4h 55m |
| 2026-07-06 | TSC772 | - | Jul 6, 08:25 UTC | Jul 6, 08:45 UTC | 20m |
| 2026-07-06 | TSC772 | - | Jul 6, 03:40 UTC | Jul 6, 04:20 UTC | 40m |
| 2026-07-05 | TSC539 | CUN → YUL | Jul 5, 17:05 UTC | Jul 5, 20:55 UTC | 3h 50m |
| 2026-07-05 | TSC538 | YUL → CUN | Jul 5, 11:35 UTC | Jul 5, 15:30 UTC | 3h 55m |
| 2026-07-04 | TSC738 | YUL → YUL | Jul 4, 11:10 UTC | Jul 4, 21:45 UTC | 10h 35m |
| 2026-07-03 | TSC398 | YUL → YUL | Jul 3, 13:35 UTC | Jul 3, 23:10 UTC | 9h 35m |
| 2026-07-02 | TSC399 | PUJ → YUL | Jul 2, 13:30 UTC | Jul 3, 00:35 UTC | 11h 5m |
| 2026-07-02 | TSC939 | CUN → YUL | Jul 2, 00:30 UTC | Jul 2, 04:15 UTC | 3h 45m |
| 2026-07-01 | TSC938 | YUL → CUN | Jul 1, 19:00 UTC | Jul 1, 23:00 UTC | 4h 0m |
| 2026-07-01 | TSC773 | - | Jul 1, 11:50 UTC | Jul 1, 16:45 UTC | 4h 55m |
| 2026-07-01 | TSC772 | - | Jul 1, 08:25 UTC | Jul 1, 08:45 UTC | 20m |
| 2026-07-01 | TSC772 | - | Jul 1, 03:50 UTC | Jul 1, 04:35 UTC | 45m |
| 2026-06-30 | TSC601 | YUL → YUL | Jun 30, 12:00 UTC | Jul 1, 00:10 UTC | 12h 10m |
| 2026-06-29 | TSC499 | YUL → YUL | Jun 29, 18:44 UTC | Jun 30, 05:10 UTC | 10h 25m |
| 2026-06-29 | TSC773 | KEF → YUL | Jun 29, 10:55 UTC | Jun 29, 15:39 UTC | 4h 45m |
| 2026-06-29 | TSC772 | - | Jun 29, 08:04 UTC | Jun 29, 08:24 UTC | 20m |
| 2026-06-29 | TSC772 | - | Jun 29, 03:29 UTC | Jun 29, 04:14 UTC | 45m |
| 2026-06-28 | TSC539 | CUN → YUL | Jun 28, 17:25 UTC | Jun 28, 21:20 UTC | 3h 55m |
| 2026-06-28 | TSC538 | YUL → CUN | Jun 28, 11:25 UTC | Jun 28, 15:29 UTC | 4h 5m |
| 2026-06-27 | TSC399 | PUJ → YUL | Jun 27, 13:40 UTC | Jun 28, 01:10 UTC | 11h 30m |
| 2026-06-26 | TSC197 | YUL → YUL | Jun 26, 23:30 UTC | Jun 27, 11:39 UTC | 12h 10m |
| 2026-06-26 | TSC539 | CUN → YUL | Jun 26, 16:54 UTC | Jun 26, 20:44 UTC | 3h 50m |
| 2026-06-26 | TSC538 | YUL → CUN | Jun 26, 11:14 UTC | Jun 26, 15:25 UTC | 4h 10m |
| 2026-06-25 | TSC739 | YUL → YUL | Jun 25, 11:15 UTC | Jun 25, 22:24 UTC | 11h 10m |
| 2026-06-25 | TSC939 | - | Jun 25, 00:24 UTC | Jun 25, 04:25 UTC | 4h 0m |
| 2026-06-24 | TSC938 | YUL → CUN | Jun 24, 19:00 UTC | Jun 24, 22:49 UTC | 3h 50m |
| 2026-06-24 | TSC773 | KEF → YUL | Jun 24, 11:45 UTC | Jun 24, 16:40 UTC | 4h 55m |
| 2026-06-24 | TSC772 | YUL → KEF | Jun 24, 03:40 UTC | Jun 24, 08:30 UTC | 4h 50m |
| 2026-06-23 | TSC601 | YUL → YUL | Jun 23, 11:45 UTC | Jun 23, 23:59 UTC | 12h 15m |
| 2026-06-23 | TSC915 | FCO → YYZ | Jun 23, 00:45 UTC | Jun 23, 01:15 UTC | 30m |
| 2026-06-22 | TSC696 | YUL → ATH | Jun 22, 11:24 UTC | Jun 22, 22:05 UTC | 10h 40m |
| 2026-06-22 | TSC653 | CUN → YQB | Jun 22, 04:19 UTC | Jun 22, 08:19 UTC | 4h 0m |
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-GEZX page for operator, model, and routing details .