Apparatus

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sensors Mode-S transponder

C06156

ICAO 24-bit transponder address · allocated to Canada

Currently assigned to C-GKWJ · BOEING 737-800 · operated by WESTJET

Hex
C06156
Octal
60060526
Decimal
12,607,830
Country
CA
Tail
C-GKWJ
Type
B738
Broadcasting now · callsign WJA1431 · 38,000 ft
Flights observed
143
Distinct callsigns
20
Country
CA
Last broadcast
1h ago

Current position

C06156 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address C06156 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
WJA2197 WestJet 6 2026-05-09
WJA2196 WestJet 5 2026-05-09
WJA591 WestJet 4 2026-05-26
WJA34 WestJet 4 2026-04-13
WJA806 WestJet 3 2026-05-02
WJA651 WestJet 3 2026-05-22
WJA636 WestJet 3 2026-05-21
WJA40 WestJet 3 2026-05-26
WJA385 WestJet 3 2026-04-26
WJA35 - 3 2026-04-13
WJA2543 - 3 2026-04-13
WJA233 WestJet 3 2026-05-25
WJA2131 WestJet 3 2026-04-18
WJA809 WestJet 2 2026-05-02
WJA781 WestJet 2 2026-05-22
WJA73 WestJet 2 2026-05-03
WJA645 WestJet 2 2026-05-28
WJA635 WestJet 2 2026-04-30
WJA589 WestJet 2 2026-05-13
WJA559 WestJet 2 2026-05-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 WJA1430 YEG → LAX May 29, 19:25 UTCMay 29, 23:10 UTC3h 45m
2026-05-29 WJA1161 PHX → YYC May 29, 15:20 UTCMay 29, 17:45 UTC2h 25m
2026-05-29 WJA1168 YYC → PHX May 29, 01:50 UTCMay 29, 04:40 UTC2h 50m
2026-05-28 WJA645 YXE → YYC May 28, 20:05 UTCMay 28, 23:30 UTC3h 25m
2026-05-28 WJA645 YXE → YYC May 28, 20:05 UTCMay 28, 23:40 UTC3h 35m
2026-05-28 WJA630 YYC → YYG May 28, 14:35 UTCMay 28, 18:05 UTC3h 30m
2026-05-26 WJA591 YHZ → YWG May 26, 19:09 UTCMay 27, 15:10 UTC20h 1m
2026-05-26 WJA40 YHZ → LGW May 26, 02:55 UTCMay 26, 08:34 UTC5h 40m
2026-05-26 WJA40 YHZ → LGW May 26, 02:50 UTCMay 27, 01:29 UTC22h 40m
2026-05-25 WJA234 YYC → YHZ May 25, 04:10 UTCMay 26, 03:30 UTC23h 20m
2026-05-25 WJA233 YHZ → YYC May 25, 01:55 UTCMay 25, 02:35 UTC40m
2026-05-25 WJA233 YHZ → YYC May 25, 00:41 UTCMay 25, 23:30 UTC22h 49m
2026-05-24 WJA591 YHZ → YWG May 24, 23:00 UTCMay 24, 23:15 UTC15m
2026-05-24 WJA591 YHZ → YWG May 24, 19:40 UTCMay 24, 21:40 UTC2h 0m
2026-05-24 WJA41 LGW → YHZ May 24, 10:15 UTCMay 24, 16:20 UTC6h 5m
2026-05-24 WJA40 YHZ → LGW May 24, 02:50 UTCMay 24, 08:15 UTC5h 25m
2026-05-23 WJA590 YWG → YHZ May 23, 21:10 UTCMay 24, 00:15 UTC3h 5m
2026-05-23 WJA234 YYC → YHZ May 23, 04:08 UTCMay 24, 03:25 UTC23h 17m
2026-05-22 WJA651 YYZ → YYC May 22, 22:50 UTCMay 23, 02:35 UTC3h 44m
2026-05-22 WJA651 YYZ → YYC May 22, 22:49 UTCMay 23, 21:30 UTC22h 42m
2026-05-22 WJA781 YYT → YYZ May 22, 10:10 UTCMay 22, 21:10 UTC11h 0m
2026-05-21 WJA780 YYZ → YYT May 21, 22:35 UTCMay 22, 08:00 UTC9h 25m
2026-05-21 WJA636 YYC → YYZ May 21, 17:35 UTCMay 21, 20:50 UTC3h 15m
2026-05-20 WJA113 YYC → YVR May 20, 17:27 UTCMay 21, 15:30 UTC22h 4m
2026-05-20 WJA559 YXE → YEG May 20, 11:40 UTCMay 20, 15:50 UTC4h 10m
2026-05-20 WJA559 YXE → YEG May 20, 11:37 UTCMay 21, 04:35 UTC16h 59m
2026-05-19 WJA2172 YYZ → MID May 19, 14:14 UTCMay 20, 13:15 UTC23h 2m
2026-05-19 WJA2172 YYZ → MID May 19, 14:15 UTCMay 19, 16:50 UTC2h 35m
2026-05-19 WJA622 YYC → YOW May 19, 07:05 UTCMay 19, 10:35 UTC3h 30m
2026-05-18 WJA651 YYZ → YYC May 18, 22:55 UTCMay 19, 02:35 UTC3h 40m
2026-05-18 WJA781 YYT → YYZ May 18, 10:05 UTCMay 18, 20:55 UTC10h 49m
2026-05-17 WJA636 YYC → YYZ May 17, 17:43 UTCMay 18, 11:30 UTC17h 48m
2026-05-17 WJA636 YYC → YYZ May 17, 17:45 UTCMay 17, 21:01 UTC3h 15m
2026-05-17 WJA1127 TPA → YYC May 17, 00:05 UTCMay 17, 05:15 UTC5h 10m
2026-05-16 WJA1126 YYC → TPA May 16, 18:30 UTCMay 16, 23:00 UTC4h 30m
2026-05-16 WJA566 YYC → YUL May 16, 00:21 UTCMay 16, 23:00 UTC22h 40m
2026-05-15 WJA265 YYT → YYC May 15, 17:47 UTCMay 16, 15:50 UTC22h 4m
2026-05-15 WJA265 YYT → YYC May 15, 17:50 UTCMay 15, 19:05 UTC1h 15m
2026-05-15 WJA613 YOW → YYC May 15, 11:25 UTCMay 15, 15:20 UTC3h 54m
2026-05-14 WJA2567 MBJ → YYZ May 14, 17:58 UTCMay 15, 17:30 UTC23h 32m
2026-05-13 WJA589 YUL → YVR May 13, 22:40 UTCMay 13, 23:25 UTC45m
2026-05-13 WJA589 YUL → YVR May 13, 22:38 UTCMay 14, 21:30 UTC22h 53m
2026-05-13 WJA588 YYZ → YOW May 13, 20:45 UTCMay 13, 21:25 UTC40m
2026-05-13 WJA2581 CUN → YYZ May 13, 16:25 UTCMay 13, 19:20 UTC2h 55m
2026-05-13 WJA2580 YYZ → CUN May 13, 11:55 UTCMay 13, 14:35 UTC2h 40m
2026-05-13 WJA460 YLW → YYC May 13, 00:35 UTCMay 13, 03:50 UTC3h 15m
2026-05-12 WJA455 YYC → YXX May 12, 18:40 UTCMay 12, 22:35 UTC3h 55m
2026-05-11 WJA1153 SJU → YYZ May 11, 20:04 UTCMay 12, 19:15 UTC23h 12m
2026-05-11 WJA1153 SJU → YYZ May 11, 20:05 UTCMay 11, 22:35 UTC2h 29m
2026-05-11 WJA1152 YYZ → SJU May 11, 14:10 UTCMay 11, 18:30 UTC4h 21m

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

Mode-S C06156 frequently asked

What is Mode-S code C06156?
C06156 is an ICAO 24-bit transponder address. Allocated to Canada. Assigned to C-GKWJ.
Where is Mode-S C06156 registered?
Mode-S code C06156 is allocated to Canada (CA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is C06156 broadcasting right now?
Yes. Mode-S C06156 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C06156, octal 60060526, decimal 12,607,830.
What flights does C06156 operate?
Mode-S C06156 has broadcast 20 distinct callsigns, including WJA2197, WJA2196, WJA591, WJA34, WJA806.