Apparatus

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sensors Mode-S transponder

8518F2

ICAO 24-bit transponder address · allocated to Japan

Currently assigned to JA336J · BOEING 737-800

Hex
8518F2
Octal
41214362
Decimal
8,722,674
Country
JP
Tail
JA336J
Type
B738
No current signal · last broadcast 2h ago
Flights observed
257
Distinct callsigns
20
Country
JP
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S 8518F2.

Country allocation

The ICAO 24-bit address 8518F2 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
JAL651 - 4 2026-06-29
JAL254 - 4 2026-06-29
JAL253 - 4 2026-06-28
JAL652 - 3 2026-06-29
JAL630 - 3 2026-06-29
JAL629 - 3 2026-06-29
JAL509 - 3 2026-06-21
JAL374 - 3 2026-06-22
JAL373 - 3 2026-06-21
JAL3512 - 3 2026-06-20
JAL3403 - 3 2026-06-20
JAL324 - 3 2026-06-20
JAL255 - 3 2026-06-20
JAL2506 - 3 2026-06-21
JAL229 Japan Airlines 3 2026-06-19
JAL228 - 3 2026-06-21
JAL220 - 3 2026-06-19
JAL219 - 3 2026-06-19
JAL218 - 3 2026-06-19
JAL2009 - 3 2026-06-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-30 JAL134 - Jun 30, 11:30 UTCJun 30, 12:25 UTC55m
2026-06-30 JAL131 HND → ITM Jun 30, 09:35 UTCJun 30, 10:25 UTC50m
2026-06-30 JAL659 - Jun 30, 03:10 UTCJun 30, 08:05 UTC4h 55m
2026-06-30 JAL432 - Jun 30, 00:30 UTCJun 30, 01:35 UTC1h 6m
2026-06-29 JAL431 - Jun 29, 22:10 UTCJun 29, 23:09 UTC1h 0m
2026-06-29 JAL652 - Jun 29, 10:29 UTCJun 29, 11:45 UTC1h 15m
2026-06-29 JAL651 - Jun 29, 07:44 UTCJun 29, 08:44 UTC1h 0m
2026-06-29 JAL630 - Jun 29, 05:20 UTCJun 29, 06:29 UTC1h 10m
2026-06-29 JAL629 - Jun 29, 02:39 UTCJun 29, 04:00 UTC1h 20m
2026-06-29 JAL254 - Jun 29, 00:24 UTCJun 29, 01:29 UTC1h 5m
2026-06-28 JAL253 - Jun 28, 22:20 UTCJun 28, 23:29 UTC1h 10m
2026-06-28 JAL486 - Jun 28, 11:55 UTCJun 28, 12:50 UTC55m
2026-06-28 JAL485 - Jun 28, 10:04 UTCJun 28, 10:55 UTC50m
2026-06-28 JAL262 - Jun 28, 07:40 UTCJun 28, 08:39 UTC1h 0m
2026-06-28 JAL263 - Jun 28, 05:34 UTCJun 28, 06:40 UTC1h 5m
2026-06-28 JAL456 - Jun 28, 03:29 UTCJun 28, 04:29 UTC1h 0m
2026-06-28 JAL455 - Jun 28, 01:40 UTCJun 28, 02:34 UTC55m
2026-06-27 JAL590 - Jun 27, 23:10 UTCJun 28, 00:30 UTC1h 20m
2026-06-27 JAL599 HND → CTS Jun 27, 11:44 UTCJun 27, 12:55 UTC1h 10m
2026-06-27 JAL264 - Jun 27, 09:24 UTCJun 27, 10:29 UTC1h 5m
2026-06-27 JAL3406 - Jun 27, 06:40 UTCJun 27, 08:20 UTC1h 40m
2026-06-27 JAL3513 - Jun 27, 03:20 UTCJun 27, 05:04 UTC1h 45m
2026-06-27 AL309 - Jun 27, 00:39 UTCJun 27, 02:09 UTC1h 30m
2026-06-26 JAL452 - Jun 26, 22:14 UTCJun 26, 23:15 UTC1h 0m
2026-06-26 JAL465 - Jun 26, 11:34 UTCJun 26, 12:29 UTC55m
2026-06-26 JAL520 - Jun 26, 08:54 UTCJun 26, 10:20 UTC1h 25m
2026-06-26 JAL3515 - Jun 26, 06:00 UTCJun 26, 07:50 UTC1h 50m
2026-06-26 JAL3510 - Jun 26, 01:39 UTCJun 26, 03:34 UTC1h 55m
2026-06-25 JAL3101 NGO → CTS Jun 25, 23:19 UTCJun 26, 00:39 UTC1h 20m
2026-06-25 JAL3118 - Jun 25, 11:19 UTCJun 25, 12:44 UTC1h 25m
2026-06-25 JAL3117 - Jun 25, 09:05 UTCJun 25, 10:20 UTC1h 15m
2026-06-25 JAL3114 - Jun 25, 06:40 UTCJun 25, 07:59 UTC1h 20m
2026-06-25 JAL3107 - Jun 25, 03:50 UTCJun 25, 05:15 UTC1h 25m
2026-06-25 JAL3106 - Jun 25, 01:24 UTCJun 25, 02:45 UTC1h 20m
2026-06-24 JAL2001 ITM → CTS Jun 24, 23:00 UTCJun 25, 00:29 UTC1h 30m
2026-06-24 JAL3009 NRT → ITM Jun 24, 09:45 UTCJun 24, 10:35 UTC50m
2026-06-24 JAL3006 - Jun 24, 05:49 UTCJun 24, 06:55 UTC1h 5m
2026-06-24 JAL2465 - Jun 24, 00:49 UTCJun 24, 04:44 UTC3h 55m
2026-06-23 JAL2016 CTS → ITM Jun 23, 09:09 UTCJun 23, 10:49 UTC1h 40m
2026-06-23 JAL2505 - Jun 23, 06:44 UTCJun 23, 08:09 UTC1h 25m
2026-06-23 JAL2504 - Jun 23, 03:25 UTCJun 23, 05:15 UTC1h 50m
2026-06-23 JAL2501 KIX → CTS Jun 23, 00:39 UTCJun 23, 02:20 UTC1h 40m
2026-06-22 JAL221 HND → KIX Jun 22, 22:40 UTCJun 22, 23:39 UTC1h 0m
2026-06-22 JAL558 - Jun 22, 11:44 UTCJun 22, 13:10 UTC1h 25m
2026-06-22 JAL557 - Jun 22, 09:24 UTCJun 22, 10:44 UTC1h 20m
2026-06-22 JAL146 - Jun 22, 06:25 UTCJun 22, 07:30 UTC1h 5m
2026-06-22 JAL145 - Jun 22, 04:40 UTCJun 22, 05:29 UTC50m
2026-06-22 JAL374 - Jun 22, 01:55 UTCJun 22, 02:59 UTC1h 5m
2026-06-21 JAL373 - Jun 21, 23:40 UTCJun 22, 00:44 UTC1h 5m
2026-06-21 JAL228 - Jun 21, 12:44 UTCJun 21, 13:29 UTC45m

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 JA336J page for operator, model, and routing details .

Mode-S 8518F2 frequently asked

What is Mode-S code 8518F2?
8518F2 is an ICAO 24-bit transponder address. Allocated to Japan. Assigned to JA336J.
Where is Mode-S 8518F2 registered?
Mode-S code 8518F2 is allocated to Japan (JP). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 8518F2 broadcasting right now?
No active broadcast right now. Last signal was 2h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 8518F2, octal 41214362, decimal 8,722,674.
What flights does 8518F2 operate?
Mode-S 8518F2 has broadcast 20 distinct callsigns, including JAL651, JAL254, JAL253, JAL652, JAL630.