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sensors Mode-S transponder

868043

ICAO 24-bit transponder address · allocated to Japan

Currently assigned to JA737Z · BOEING 737-800

Hex
868043
Octal
41500103
Decimal
8,814,659
Country
JP
Tail
JA737Z
Type
B738
Broadcasting now · callsign SKY018 · 37,000 ft
Flights observed
440
Distinct callsigns
20
Country
JP
Last broadcast
1h ago

Current position

868043 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 868043 falls within the block assigned to Japan (JP) by ICAO Annex 10, Volume III. Every aircraft registered in Japan 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
SKY019 - 12 2026-07-08
SKY020 - 11 2026-07-08
SKY117 Skymark Airlines 10 2026-07-11
SKY836 - 9 2026-07-05
SKY775 Skymark Airlines 8 2026-06-07
SKY593 - 8 2026-07-12
SKY182 - 8 2026-07-04
SKY831 - 7 2026-07-05
SKY027 - 7 2026-07-07
SKY834 Skymark Airlines 6 2026-06-06
SKY791 Skymark Airlines 6 2026-06-07
SKY726 - 6 2026-07-13
SKY723 - 6 2026-07-13
SKY518 - 6 2026-07-13
SKY300 Skymark Airlines 6 2026-06-07
SKY176 Skymark Airlines 6 2026-06-07
SKY002 - 6 2026-07-07
SKY835 Skymark Airlines 5 2026-06-06
SKY772 Skymark Airlines 5 2026-06-07
SKY599 Skymark Airlines 5 2026-05-22

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 SKY015 - Jul 14, 05:00 UTCJul 14, 06:05 UTC1h 5m
2026-07-14 SKY304 - Jul 14, 02:35 UTCJul 14, 03:55 UTC1h 20m
2026-07-13 SKY303 - Jul 13, 23:55 UTCJul 14, 01:00 UTC1h 5m
2026-07-13 SKY726 - Jul 13, 10:50 UTCJul 13, 12:05 UTC1h 15m
2026-07-13 SKY723 - Jul 13, 08:30 UTCJul 13, 09:50 UTC1h 20m
2026-07-13 SKY518 - Jul 13, 04:40 UTCJul 13, 06:55 UTC2h 15m
2026-07-13 SKY501 - Jul 13, 00:15 UTCJul 13, 00:30 UTC15m
2026-07-12 SKY501 - Jul 12, 23:20 UTCJul 12, 23:30 UTC10m
2026-07-12 SKY508 OKA → FUK Jul 12, 10:45 UTCJul 12, 11:50 UTC1h 5m
2026-07-12 SKY509 - Jul 12, 09:20 UTCJul 12, 09:40 UTC20m
2026-07-12 SKY509 - Jul 12, 08:30 UTCJul 12, 08:40 UTC10m
2026-07-12 SKY506 - Jul 12, 06:01 UTCJul 12, 07:05 UTC1h 5m
2026-07-12 SKY593 - Jul 12, 04:30 UTCJul 12, 04:50 UTC20m
2026-07-12 SKY593 - Jul 12, 03:15 UTCJul 12, 03:50 UTC35m
2026-07-12 SKY153 - Jul 12, 01:05 UTCJul 12, 02:10 UTC1h 5m
2026-07-11 SKY152 - Jul 11, 22:55 UTCJul 11, 23:55 UTC1h 0m
2026-07-11 SKY117 HND → UKB Jul 11, 11:25 UTCJul 11, 12:10 UTC45m
2026-07-10 SKY022 - Jul 10, 10:25 UTCJul 10, 11:45 UTC1h 20m
2026-07-09 SKY508 OKA → FUK Jul 9, 10:45 UTCJul 9, 11:50 UTC1h 5m
2026-07-09 SKY509 - Jul 9, 09:15 UTCJul 9, 09:30 UTC15m
2026-07-09 SKY509 - Jul 9, 08:15 UTCJul 9, 08:25 UTC10m
2026-07-09 SKY506 - Jul 9, 05:55 UTCJul 9, 07:00 UTC1h 5m
2026-07-09 SKY593 - Jul 9, 04:30 UTCJul 9, 04:50 UTC20m
2026-07-09 SKY593 - Jul 9, 03:10 UTCJul 9, 03:40 UTC30m
2026-07-09 SKY153 - Jul 9, 01:10 UTCJul 9, 02:05 UTC55m
2026-07-08 SKY152 - Jul 8, 22:55 UTCJul 8, 23:45 UTC50m
2026-07-08 SKY117 HND → UKB Jul 8, 11:20 UTCJul 8, 12:10 UTC50m
2026-07-08 SKY020 - Jul 8, 08:55 UTCJul 8, 10:25 UTC1h 30m
2026-07-08 SKY019 - Jul 8, 06:25 UTCJul 8, 07:30 UTC1h 5m
2026-07-08 SKY008 - Jul 8, 03:20 UTCJul 8, 04:40 UTC1h 20m
2026-07-08 SKY007 - Jul 8, 00:55 UTCJul 8, 01:55 UTC1h 0m
2026-07-07 SKY002 - Jul 7, 22:15 UTCJul 7, 23:25 UTC1h 10m
2026-07-07 SKY027 - Jul 7, 11:20 UTCJul 7, 12:20 UTC1h 0m
2026-07-07 SKY020 - Jul 7, 08:50 UTCJul 7, 10:10 UTC1h 20m
2026-07-07 SKY019 - Jul 7, 06:25 UTCJul 7, 07:30 UTC1h 5m
2026-07-07 SKY008 - Jul 7, 03:20 UTCJul 7, 04:35 UTC1h 15m
2026-07-07 SKY007 - Jul 7, 00:55 UTCJul 7, 02:00 UTC1h 5m
2026-07-06 SKY002 - Jul 6, 22:15 UTCJul 6, 23:40 UTC1h 25m
2026-07-06 SKY027 - Jul 6, 11:15 UTCJul 6, 12:25 UTC1h 10m
2026-07-06 SKY020 - Jul 6, 08:55 UTCJul 6, 10:05 UTC1h 10m
2026-07-06 SKY019 - Jul 6, 06:25 UTCJul 6, 07:35 UTC1h 10m
2026-07-06 SKY108 - Jul 6, 04:10 UTCJul 6, 04:55 UTC45m
2026-07-06 SKY142 - Jul 6, 02:30 UTCJul 6, 03:25 UTC55m
2026-07-06 SKY141 - Jul 6, 00:35 UTCJul 6, 01:25 UTC50m
2026-07-05 SKY183 - Jul 5, 22:45 UTCJul 5, 23:45 UTC1h 0m
2026-07-05 SKY836 - Jul 5, 09:55 UTCJul 5, 11:15 UTC1h 20m
2026-07-05 SKY564 - Jul 5, 04:15 UTCJul 5, 08:40 UTC4h 25m
2026-07-05 SKY831 - Jul 5, 01:15 UTCJul 5, 02:30 UTC1h 15m
2026-07-04 SKY182 - Jul 4, 23:20 UTCJul 5, 00:10 UTC50m
2026-07-04 SKY138 - Jul 4, 11:50 UTCJul 4, 12:20 UTC30m

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 JA737Z page for operator, model, and routing details .

Mode-S 868043 frequently asked

What is Mode-S code 868043?
868043 is an ICAO 24-bit transponder address. Allocated to Japan. Assigned to JA737Z.
Where is Mode-S 868043 registered?
Mode-S code 868043 is allocated to Japan (JP). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 868043 broadcasting right now?
Yes. Mode-S 868043 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 868043, octal 41500103, decimal 8,814,659.
What flights does 868043 operate?
Mode-S 868043 has broadcast 20 distinct callsigns, including SKY019, SKY020, SKY117, SKY836, SKY775.