sensors Mode-S transponder
C06738
ICAO 24-bit transponder address · allocated to Canada
Currently assigned to C-GNCH · BOEING 737-800 · operated by Westjet
- Hex
- C06738
- Octal
- 60063470
- Decimal
- 12,609,336
- Country
- CA
- Tail
- C-GNCH
- Type
- B738
- Flights observed
- 54
- Distinct callsigns
- 20
- Country
- CA
- Last broadcast
- 18d ago
Last known position
Country allocation
The ICAO 24-bit address C06738 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 |
|---|---|---|---|
| WJA2538 | - | 4 | 2026-04-14 |
| WJA2611 | - | 3 | 2026-04-13 |
| WJA2540 | - | 3 | 2026-04-13 |
| WJA2539 | WestJet | 3 | 2026-04-14 |
| WJA8978 | WestJet | 2 | 2026-05-11 |
| WJA861 | WestJet | 2 | 2026-05-04 |
| WJA2737 | WestJet | 2 | 2026-04-19 |
| WJA2542 | WestJet | 2 | 2026-04-30 |
| WJA251 | WestJet | 2 | 2026-04-17 |
| WJA2452 | WestJet | 2 | 2026-04-13 |
| WJA2416 | WestJet | 2 | 2026-04-18 |
| WJA1621 | WestJet | 2 | 2026-05-08 |
| WJA985 | WestJet | 1 | 2026-04-26 |
| WJA9484 | WestJet | 1 | 2026-04-24 |
| WJA860 | WestJet | 1 | 2026-05-03 |
| WJA859 | WestJet | 1 | 2026-04-29 |
| WJA685 | WestJet | 1 | 2026-04-28 |
| WJA631 | WestJet | 1 | 2026-05-08 |
| WJA392 | WestJet | 1 | 2026-05-03 |
| WJA382 | WestJet | 1 | 2026-04-19 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-11 | WJA8978 | SEA → YYC | May 11, 19:10 UTC | May 11, 21:40 UTC | 2h 30m |
| 2026-05-11 | WJA8978 | SEA → YYC | May 11, 19:08 UTC | May 11, 21:40 UTC | 2h 33m |
| 2026-05-08 | WJA1621 | DTW → YYC | May 8, 22:10 UTC | May 9, 01:55 UTC | 3h 45m |
| 2026-05-08 | WJA1621 | DTW → YYC | May 8, 22:09 UTC | May 9, 09:20 UTC | 11h 11m |
| 2026-05-08 | WJA1620 | YYC → DTW | May 8, 17:10 UTC | May 8, 20:15 UTC | 3h 5m |
| 2026-05-08 | WJA631 | YYG → YYC | May 8, 11:05 UTC | May 8, 14:55 UTC | 3h 50m |
| 2026-05-04 | WJA1037 | TPA → YYT | May 4, 21:15 UTC | May 4, 23:40 UTC | 2h 25m |
| 2026-05-04 | WJA1410 | YYC → MCO | May 4, 15:25 UTC | May 4, 19:45 UTC | 4h 21m |
| 2026-05-04 | WJA861 | YHZ → YQR | May 4, 00:05 UTC | May 4, 03:54 UTC | 3h 50m |
| 2026-05-03 | WJA861 | YHZ → YQR | May 3, 23:57 UTC | May 4, 22:00 UTC | 22h 4m |
| 2026-05-03 | WJA860 | YQR → YHZ | May 3, 18:50 UTC | May 3, 22:34 UTC | 3h 45m |
| 2026-05-03 | WJA392 | YEG → YHZ | May 3, 15:35 UTC | May 3, 16:25 UTC | 50m |
| 2026-05-02 | WJA1167 | MCO → YYZ | May 2, 01:00 UTC | May 2, 03:45 UTC | 2h 45m |
| 2026-05-01 | WJA1162 | YYC → PHX | May 1, 21:05 UTC | May 1, 23:40 UTC | 2h 35m |
| 2026-05-01 | WJA1553 | SEA → YYC | May 1, 18:00 UTC | May 1, 19:05 UTC | 1h 5m |
| 2026-05-01 | WJA1550 | YYC → SEA | May 1, 15:00 UTC | May 1, 16:20 UTC | 1h 20m |
| 2026-04-30 | WJA2542 | YYZ → CZM | Apr 30, 14:05 UTC | Apr 30, 17:55 UTC | 3h 50m |
| 2026-04-30 | WJA2542 | YYZ → CZM | Apr 30, 14:01 UTC | May 1, 06:25 UTC | 16h 24m |
| 2026-04-29 | WJA859 | YUL → YYZ | Apr 29, 11:15 UTC | Apr 29, 12:10 UTC | 55m |
| 2026-04-28 | WJA685 | YYC → YZF | Apr 28, 17:12 UTC | Apr 29, 12:15 UTC | 19h 4m |
| 2026-04-27 | WJA2281 | SJD → YYC | Apr 27, 23:11 UTC | Apr 28, 22:00 UTC | 22h 49m |
| 2026-04-27 | WJA2280 | YYC → SJD | Apr 27, 17:50 UTC | Apr 28, 03:15 UTC | 9h 25m |
| 2026-04-27 | WJA1465 | PSP → YYC | Apr 27, 01:25 UTC | Apr 27, 04:00 UTC | 2h 35m |
| 2026-04-26 | WJA1462 | YYC → PSP | Apr 26, 21:15 UTC | Apr 26, 23:45 UTC | 2h 30m |
| 2026-04-26 | WJA985 | YWG → YYZ | Apr 26, 00:10 UTC | Apr 26, 04:10 UTC | 4h 0m |
| 2026-04-24 | WJA2969 | TQO → YUL | Apr 24, 20:35 UTC | Apr 25, 00:45 UTC | 4h 10m |
| 2026-04-24 | WJA9484 | YUL → CFG | Apr 24, 14:00 UTC | Apr 24, 18:15 UTC | 4h 15m |
| 2026-04-22 | WJA2913 | PUJ → YUL | Apr 22, 14:35 UTC | Apr 23, 00:20 UTC | 9h 45m |
| 2026-04-21 | WJA2669 | LIR → YUL | Apr 21, 17:10 UTC | Apr 21, 20:45 UTC | 3h 35m |
| 2026-04-21 | WJA2136 | YYZ → PVR | Apr 21, 11:10 UTC | Apr 21, 13:50 UTC | 2h 40m |
| 2026-04-19 | WJA2737 | CUN → YYZ | Apr 19, 19:50 UTC | Apr 20, 00:15 UTC | 4h 25m |
| 2026-04-19 | WJA2737 | CUN → YYZ | Apr 19, 14:10 UTC | Apr 20, 00:00 UTC | 9h 50m |
| 2026-04-19 | WJA382 | YWG → YYZ | Apr 19, 10:15 UTC | Apr 19, 12:25 UTC | 2h 10m |
| 2026-04-18 | WJA2416 | YWG → SJD | Apr 18, 13:05 UTC | Apr 18, 16:20 UTC | 3h 15m |
| 2026-04-18 | WJA2416 | YWG → SJD | Apr 18, 13:04 UTC | Apr 19, 12:00 UTC | 22h 56m |
| 2026-04-17 | WJA222 | YZF → YYC | Apr 17, 13:25 UTC | Apr 17, 15:00 UTC | 1h 34m |
| 2026-04-17 | WJA251 | YWG → YYC | Apr 17, 03:20 UTC | Apr 17, 03:55 UTC | 35m |
| 2026-04-17 | WJA251 | YWG → YYC | Apr 17, 02:10 UTC | Apr 17, 03:15 UTC | 1h 5m |
| 2026-04-14 | WJA2539 | CUN → YWG | Apr 14, 22:55 UTC | Apr 15, 00:45 UTC | 1h 50m |
| 2026-04-14 | WJA2539 | CUN → YWG | Apr 14, 20:55 UTC | Apr 14, 22:50 UTC | 1h 55m |
| 2026-04-14 | WJA2539 | CUN → YWG | Apr 14, 20:30 UTC | Apr 14, 20:50 UTC | 20m |
| 2026-04-14 | WJA2538 | - | Apr 14, 18:55 UTC | Apr 14, 19:00 UTC | 5m |
| 2026-04-14 | WJA2538 | - | Apr 14, 16:50 UTC | Apr 14, 18:45 UTC | 1h 55m |
| 2026-04-14 | WJA2538 | - | Apr 14, 14:50 UTC | Apr 14, 16:45 UTC | 1h 55m |
| 2026-04-14 | WJA2538 | YWG → CUN | Apr 14, 14:28 UTC | Apr 14, 14:45 UTC | 18m |
| 2026-04-13 | WJA2613 | - | Apr 13, 22:15 UTC | Apr 13, 23:40 UTC | 1h 25m |
| 2026-04-13 | WJA2540 | - | Apr 13, 20:10 UTC | Apr 13, 20:40 UTC | 30m |
| 2026-04-13 | WJA2540 | - | Apr 13, 16:15 UTC | Apr 13, 20:10 UTC | 3h 55m |
| 2026-04-13 | WJA2540 | - | Apr 13, 16:10 UTC | Apr 13, 16:15 UTC | 5m |
| 2026-04-13 | WJA2611 | - | Apr 13, 08:20 UTC | Apr 13, 08:30 UTC | 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-GNCH page for operator, model, and routing details .