Apparatus

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sensors Mode-S transponder

851186

ICAO 24-bit transponder address · allocated to Japan

Currently assigned to JA314J · BOEING 737-800

Hex
851186
Octal
41210606
Decimal
8,720,774
Country
JP
Tail
JA314J
Type
B738
No current signal · last broadcast Jul 26, 13:15 UTC
Flights observed
295
Distinct callsigns
20
Country
JP
Last broadcast
Jul 26, 13:15 UTC

Last known position

Most recent position reported by Mode-S 851186.

Country allocation

The ICAO 24-bit address 851186 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
JAL674 - 8 2026-07-23
JAL669 Japan Airlines 8 2026-07-23
JAL436 Japan Airlines 8 2026-07-23
JAL435 Japan Airlines 8 2026-07-23
JAL476 - 7 2026-07-14
JAL475 - 7 2026-07-13
JAL376 - 5 2026-06-25
JAL651 Japan Airlines 4 2026-07-21
JAL575 Japan Airlines 4 2026-07-19
JAL542 - 4 2026-07-05
JAL434 - 4 2026-06-25
JAL266 - 4 2026-06-25
JAL661 - 3 2026-06-30
JAL652 - 3 2026-07-21
JAL648 - 3 2026-06-20
JAL616 - 3 2026-07-09
JAL613 - 3 2026-07-09
JAL572 - 3 2026-07-07
JAL543 Japan Airlines 3 2026-07-22
JAL461 Japan Airlines 3 2026-07-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 JAL465 HND → TKS Jul 26, 12:30 UTCJul 26, 13:15 UTC45m
2026-07-26 JAL520 CTS → HND Jul 26, 09:50 UTCJul 26, 11:15 UTC1h 25m
2026-07-26 JAL3515 FUK → CTS Jul 26, 06:05 UTCJul 26, 08:00 UTC1h 56m
2026-07-26 JAL3510 CTS → FUK Jul 26, 01:50 UTCJul 26, 03:50 UTC2h 0m
2026-07-25 JAL3101 NGO → CTS Jul 25, 23:20 UTCJul 26, 00:40 UTC1h 20m
2026-07-25 JAL209 HND → NGO Jul 25, 12:10 UTCJul 25, 12:40 UTC30m
2026-07-25 JAL438 MYJ → HND Jul 25, 09:45 UTCJul 25, 10:55 UTC1h 10m
2026-07-25 JAL437 HND → MYJ Jul 25, 07:30 UTCJul 25, 08:30 UTC1h 0m
2026-07-25 JAL480 TAK → HND Jul 25, 04:45 UTCJul 25, 05:50 UTC1h 5m
2026-07-25 JAL479 HND → TAK Jul 25, 02:45 UTCJul 25, 03:35 UTC50m
2026-07-25 JAL278 IZO → HND Jul 25, 00:30 UTCJul 25, 01:30 UTC1h 0m
2026-07-24 JAL277 HND → IZO Jul 24, 22:20 UTCJul 24, 23:10 UTC50m
2026-07-23 JAL674 - Jul 23, 10:15 UTCJul 23, 11:25 UTC1h 10m
2026-07-23 JAL669 HND → OIT Jul 23, 08:05 UTCJul 23, 09:10 UTC1h 5m
2026-07-23 JAL436 MYJ → HND Jul 23, 05:40 UTCJul 23, 06:50 UTC1h 10m
2026-07-23 JAL435 HND → MYJ Jul 23, 03:35 UTCJul 23, 04:35 UTC1h 0m
2026-07-23 JAL234 OKJ → HND Jul 23, 01:20 UTCJul 23, 02:20 UTC1h 0m
2026-07-22 JAL231 HND → OKJ Jul 22, 23:30 UTCJul 23, 00:20 UTC50m
2026-07-22 JAL464 TKS → HND Jul 22, 11:40 UTCJul 22, 12:40 UTC1h 0m
2026-07-22 JAL543 HND → KUH Jul 22, 04:45 UTCJul 22, 05:25 UTC40m
2026-07-21 JAL152 MSJ → HND Jul 21, 23:35 UTCJul 22, 02:30 UTC2h 55m
2026-07-21 JAL652 - Jul 21, 10:20 UTCJul 21, 11:40 UTC1h 20m
2026-07-21 JAL651 HND → KOJ Jul 21, 07:55 UTCJul 21, 09:00 UTC1h 5m
2026-07-21 JAL118 ITM → HND Jul 21, 04:45 UTCJul 21, 05:30 UTC45m
2026-07-21 JAL3912 CTS → ITM Jul 21, 01:50 UTCJul 21, 03:25 UTC1h 35m
2026-07-20 JAL3911 ITM → CTS Jul 20, 22:45 UTCJul 21, 00:15 UTC1h 29m
2026-07-20 JAL3009 NRT → ITM Jul 20, 09:55 UTCJul 20, 10:45 UTC50m
2026-07-20 JAL3006 ITM → NRT Jul 20, 05:50 UTCJul 20, 06:55 UTC1h 5m
2026-07-20 JAL2004 CTS → ITM Jul 20, 03:20 UTCJul 20, 04:50 UTC1h 30m
2026-07-20 JAL509 HND → CTS Jul 20, 01:00 UTCJul 20, 02:15 UTC1h 15m
2026-07-19 JAL140 AOJ → HND Jul 19, 22:45 UTCJul 19, 23:40 UTC55m
2026-07-19 JAL151 - Jul 19, 11:10 UTCJul 19, 12:00 UTC50m
2026-07-19 JAL462 TKS → HND Jul 19, 08:55 UTCJul 19, 10:05 UTC1h 10m
2026-07-19 JAL461 HND → TKS Jul 19, 07:00 UTCJul 19, 07:45 UTC45m
2026-07-19 JAL575 HND → OBO Jul 19, 04:15 UTCJul 19, 05:30 UTC1h 15m
2026-07-19 JAL575 HND → OBO Jul 19, 02:25 UTCJul 19, 03:35 UTC1h 10m
2026-07-18 JAL624 - Jul 18, 23:50 UTCJul 19, 01:10 UTC1h 20m
2026-07-18 JAL623 HND → KMJ Jul 18, 21:35 UTCJul 18, 22:50 UTC1h 15m
2026-07-18 JAL134 - Jul 18, 11:05 UTCJul 18, 12:00 UTC55m
2026-07-18 JAL131 HND → ITM Jul 18, 09:15 UTCJul 18, 10:05 UTC50m
2026-07-18 JAL659 HND → ASJ Jul 18, 03:25 UTCJul 18, 08:05 UTC4h 40m
2026-07-18 JAL212 SHM → HND Jul 18, 01:30 UTCJul 18, 02:14 UTC45m
2026-07-17 JAL213 - Jul 17, 23:39 UTCJul 18, 00:10 UTC30m
2026-07-15 JAL652 - Jul 15, 10:20 UTCJul 15, 11:40 UTC1h 20m
2026-07-15 JAL651 - Jul 15, 07:50 UTCJul 15, 08:55 UTC1h 5m
2026-07-15 JAL120 - Jul 15, 05:35 UTCJul 15, 06:35 UTC1h 0m
2026-07-15 JAL117 HND → ITM Jul 15, 03:55 UTCJul 15, 04:40 UTC45m
2026-07-15 JAL112 - Jul 15, 01:35 UTCJul 15, 02:25 UTC50m
2026-07-14 JAL107 HND → ITM Jul 14, 23:55 UTCJul 15, 00:35 UTC40m
2026-07-14 JAL674 - Jul 14, 10:15 UTCJul 14, 11:25 UTC1h 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 JA314J page for operator, model, and routing details .

Mode-S 851186 frequently asked

What is Mode-S code 851186?
851186 is an ICAO 24-bit transponder address. Allocated to Japan. Assigned to JA314J.
Where is Mode-S 851186 registered?
Mode-S code 851186 is allocated to Japan (JP). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 851186 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 13:15 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 851186, octal 41210606, decimal 8,720,774.
What flights does 851186 operate?
Mode-S 851186 has broadcast 20 distinct callsigns, including JAL674, JAL669, JAL436, JAL435, JAL476.