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sensors Mode-S transponder

C0656F

ICAO 24-bit transponder address · allocated to Canada

Currently assigned to C-GMKS · BOEING 787-9 Dreamliner · operated by Westjet

Hex
C0656F
Octal
60062557
Decimal
12,608,879
Country
CA
Tail
C-GMKS
Type
B789
No current signal · last broadcast Jul 26, 18:35 UTC
Flights observed
136
Distinct callsigns
15
Country
CA
Last broadcast
Jul 26, 18:35 UTC

Last known position

Most recent position reported by Mode-S C0656F.

Country allocation

The ICAO 24-bit address C0656F 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
WJA10 - 18 2026-07-14
WJA9 - 17 2026-07-14
WJA25 - 12 2026-07-08
WJA20 WestJet 11 2026-07-25
WJA86 WestJet 9 2026-07-23
WJA80 WestJet 9 2026-07-25
WJA24 - 9 2026-07-08
WJA2 - 9 2026-07-09
WJA87 WestJet 8 2026-07-24
WJA81 WestJet 8 2026-07-26
WJA21 WestJet 8 2026-07-25
WJA29 - 6 2026-07-15
WJA1 - 6 2026-07-09
WJA28 - 5 2026-07-15
WJA8985 WestJet 1 2026-05-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 WJA81 NRT → YYC Jul 26, 09:40 UTCJul 26, 18:25 UTC8h 45m
2026-07-25 WJA80 YYC → NRT Jul 25, 21:05 UTCJul 26, 06:50 UTC9h 46m
2026-07-25 WJA21 EDI → YYC Jul 25, 11:15 UTCJul 25, 18:55 UTC7h 40m
2026-07-25 WJA20 YYC → AMS Jul 25, 01:25 UTCJul 25, 08:35 UTC7h 10m
2026-07-24 WJA87 ICN → YYC Jul 24, 12:15 UTCJul 24, 22:25 UTC10h 10m
2026-07-23 WJA86 YYC → ICN Jul 23, 22:25 UTCJul 24, 09:55 UTC11h 30m
2026-07-20 WJA21 EDI → YYC Jul 20, 11:30 UTCJul 20, 19:10 UTC7h 40m
2026-07-20 WJA20 YYC → EDI Jul 20, 01:45 UTCJul 20, 09:00 UTC7h 15m
2026-07-19 WJA87 ICN → YYC Jul 19, 12:10 UTCJul 19, 22:35 UTC10h 25m
2026-07-18 WJA86 YYC → ICN Jul 18, 22:30 UTCJul 19, 09:20 UTC10h 50m
2026-07-18 WJA86 YYC → ICN Jul 18, 22:28 UTCJul 19, 21:45 UTC23h 18m
2026-07-18 WJA81 - Jul 18, 09:45 UTCJul 18, 18:45 UTC9h 0m
2026-07-17 WJA80 YYC → NRT Jul 17, 21:39 UTCJul 18, 06:55 UTC9h 16m
2026-07-17 WJA81 - Jul 17, 09:45 UTCJul 17, 18:55 UTC9h 10m
2026-07-16 WJA80 - Jul 16, 21:23 UTCJul 17, 19:00 UTC21h 37m
2026-07-16 WJA80 - Jul 16, 21:25 UTCJul 16, 23:15 UTC1h 50m
2026-07-16 WJA21 - Jul 16, 11:34 UTCJul 16, 19:20 UTC7h 45m
2026-07-16 WJA20 YYC → EDI Jul 16, 01:25 UTCJul 16, 08:45 UTC7h 20m
2026-07-15 WJA29 BCN → YYC Jul 15, 13:50 UTCJul 15, 23:20 UTC9h 30m
2026-07-15 WJA28 YYC → BCN Jul 15, 01:15 UTCJul 15, 10:25 UTC9h 10m
2026-07-14 WJA9 - Jul 14, 12:35 UTCJul 14, 21:15 UTC8h 40m
2026-07-14 WJA10 YYC → CDG Jul 14, 01:35 UTCJul 14, 09:50 UTC8h 15m
2026-07-13 WJA21 EDI → YYC Jul 13, 11:00 UTCJul 13, 18:45 UTC7h 45m
2026-07-13 WJA20 YYC → EDI Jul 13, 01:35 UTCJul 13, 08:45 UTC7h 10m
2026-07-12 WJA9 CDG → YYC Jul 12, 12:40 UTCJul 12, 21:30 UTC8h 50m
2026-07-12 WJA10 YYC → CDG Jul 12, 01:30 UTCJul 12, 09:35 UTC8h 5m
2026-07-11 WJA9 - Jul 11, 12:35 UTCJul 11, 21:40 UTC9h 5m
2026-07-11 WJA10 YYC → CDG Jul 11, 01:30 UTCJul 11, 09:35 UTC8h 5m
2026-07-10 WJA9 - Jul 10, 12:40 UTCJul 10, 21:40 UTC9h 0m
2026-07-10 WJA10 YYC → CDG Jul 10, 01:30 UTCJul 10, 09:40 UTC8h 10m
2026-07-10 WJA10 YYC → CDG Jul 10, 01:29 UTCJul 10, 21:45 UTC20h 17m
2026-07-09 WJA1 - Jul 9, 13:45 UTCJul 9, 22:00 UTC8h 15m
2026-07-09 WJA2 YYC → LHR Jul 9, 03:00 UTCJul 9, 11:15 UTC8h 15m
2026-07-08 WJA25 - Jul 8, 13:20 UTCJul 8, 23:05 UTC9h 45m
2026-07-08 WJA25 FCO → YYC Jul 8, 13:19 UTCJul 9, 08:45 UTC19h 27m
2026-07-08 WJA24 YYC → FCO Jul 8, 01:20 UTCJul 8, 10:35 UTC9h 15m
2026-07-07 WJA9 - Jul 7, 12:20 UTCJul 7, 21:10 UTC8h 50m
2026-07-07 WJA10 YYC → CDG Jul 7, 01:25 UTCJul 7, 09:35 UTC8h 10m
2026-07-06 WJA21 EDI → YYC Jul 6, 11:50 UTCJul 6, 19:35 UTC7h 45m
2026-07-06 WJA20 YYC → EDI Jul 6, 02:05 UTCJul 6, 09:25 UTC7h 20m
2026-07-05 WJA1 LHR → YYC Jul 5, 15:20 UTCJul 5, 23:55 UTC8h 35m
2026-07-05 WJA2 YYC → LHR Jul 5, 05:00 UTCJul 5, 12:45 UTC7h 45m
2026-07-04 WJA9 - Jul 4, 17:30 UTCJul 5, 02:35 UTC9h 5m
2026-07-04 WJA10 - Jul 4, 06:30 UTCJul 4, 14:50 UTC8h 20m
2026-07-02 WJA1 - Jul 2, 13:30 UTCJul 2, 21:45 UTC8h 15m
2026-07-02 WJA2 YYC → LHR Jul 2, 02:55 UTCJul 2, 10:45 UTC7h 50m
2026-07-01 WJA25 - Jul 1, 14:00 UTCJul 1, 23:55 UTC9h 55m
2026-07-01 WJA24 - Jul 1, 01:45 UTCJul 1, 11:05 UTC9h 20m
2026-06-30 WJA1 LHR → YYC Jun 30, 13:25 UTCJun 30, 21:30 UTC8h 5m
2026-06-30 WJA2 YYC → LHR Jun 30, 03:00 UTCJun 30, 11:00 UTC8h 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-GMKS page for operator, model, and routing details .

Mode-S C0656F frequently asked

What is Mode-S code C0656F?
C0656F is an ICAO 24-bit transponder address. Allocated to Canada. Assigned to C-GMKS.
Where is Mode-S C0656F registered?
Mode-S code C0656F is allocated to Canada (CA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is C0656F broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 18:35 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C0656F, octal 60062557, decimal 12,608,879.
What flights does C0656F operate?
Mode-S C0656F has broadcast 15 distinct callsigns, including WJA10, WJA9, WJA25, WJA20, WJA86.