Apparatus

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sensors Mode-S transponder

86D259

ICAO 24-bit transponder address · allocated to Japan

Currently assigned to JA813X · BOEING 737-800

Hex
86D259
Octal
41551131
Decimal
8,835,673
Country
JP
Tail
JA813X
Type
B738
No current signal · last broadcast Jul 26, 13:05 UTC
Flights observed
577
Distinct callsigns
20
Country
JP
Last broadcast
Jul 26, 13:05 UTC

Last known position

Most recent position reported by Mode-S 86D259.

Country allocation

The ICAO 24-bit address 86D259 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
SNJ97 - 17 2026-07-18
SNJ18 Skynet Asia Airways 17 2026-07-18
SNJ11 - 17 2026-07-17
SNJ98 - 16 2026-07-18
SNJ15 - 15 2026-07-18
SNJ14 - 14 2026-07-18
SNJ129 Skynet Asia Airways 13 2026-07-23
SNJ25 Skynet Asia Airways 11 2026-07-22
SNJ23 - 11 2026-07-02
SNJ125 Skynet Asia Airways 11 2026-07-23
SNJ34 - 10 2026-07-01
SNJ32 Skynet Asia Airways 10 2026-07-26
SNJ31 Skynet Asia Airways 10 2026-07-25
SNJ128 Skynet Asia Airways 10 2026-07-23
SNJ127 Skynet Asia Airways 10 2026-07-25
SNJ101 Skynet Asia Airways 10 2026-07-24
SNJ61 Skynet Asia Airways 9 2026-07-21
SNJ26 - 9 2026-07-12
SNJ16 Skynet Asia Airways 9 2026-07-21
SNJ13 Skynet Asia Airways 9 2026-07-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SNJ20 KMJ → HND Jul 26, 11:50 UTCJul 26, 13:00 UTC1h 10m
2026-07-26 SNJ17 HND → KMJ Jul 26, 09:25 UTCJul 26, 10:45 UTC1h 20m
2026-07-26 SNJ60 KMI → HND Jul 26, 06:55 UTCJul 26, 08:00 UTC1h 5m
2026-07-26 SNJ57 HND → KMI Jul 26, 03:45 UTCJul 26, 04:40 UTC55m
2026-07-26 SNJ32 NGS → HND Jul 26, 00:45 UTCJul 26, 02:15 UTC1h 30m
2026-07-25 SNJ31 HND → NGS Jul 25, 22:20 UTCJul 25, 23:40 UTC1h 20m
2026-07-25 SNJ64 KMI → HND Jul 25, 07:40 UTCJul 25, 11:20 UTC3h 40m
2026-07-25 SNJ127 UKB → OKA Jul 25, 06:25 UTCJul 25, 06:40 UTC15m
2026-07-25 SNJ127 UKB → OKA Jul 25, 05:05 UTCJul 25, 05:40 UTC35m
2026-07-25 SNJ126 OKA → UKB Jul 25, 02:40 UTCJul 25, 04:10 UTC1h 30m
2026-07-25 SNJ67 KMI → OKA Jul 25, 01:10 UTCJul 25, 01:30 UTC20m
2026-07-24 SNJ51 HND → KMI Jul 24, 22:15 UTCJul 24, 23:15 UTC1h 0m
2026-07-24 SNJ80 KOJ → HND Jul 24, 12:20 UTCJul 24, 13:40 UTC1h 20m
2026-07-24 SNJ117 NGO → KOJ Jul 24, 09:55 UTCJul 24, 10:35 UTC40m
2026-07-24 SNJ122 OKA → NGO Jul 24, 07:10 UTCJul 24, 08:45 UTC1h 35m
2026-07-24 SNJ101 FUK → OKA Jul 24, 05:30 UTCJul 24, 05:50 UTC20m
2026-07-24 SNJ101 FUK → OKA Jul 24, 04:35 UTCJul 24, 04:45 UTC10m
2026-07-24 SNJ102 OKA → FUK Jul 24, 02:00 UTCJul 24, 03:25 UTC1h 25m
2026-07-23 SNJ125 UKB → OKA Jul 23, 23:10 UTCJul 24, 00:50 UTC1h 40m
2026-07-23 SNJ130 OKA → UKB Jul 23, 11:45 UTCJul 23, 13:15 UTC1h 30m
2026-07-23 SNJ129 UKB → OKA Jul 23, 08:50 UTCJul 23, 10:30 UTC1h 40m
2026-07-23 SNJ128 OKA → UKB Jul 23, 06:15 UTCJul 23, 07:50 UTC1h 35m
2026-07-23 SNJ83 - Jul 23, 01:20 UTCJul 23, 01:35 UTC15m
2026-07-22 SNJ84 OKA → KOJ Jul 22, 22:40 UTCJul 22, 22:50 UTC10m
2026-07-22 SNJ25 HND → OKA Jul 22, 11:10 UTCJul 22, 12:55 UTC1h 45m
2026-07-22 SNJ94 OIT → HND Jul 22, 03:40 UTCJul 22, 05:00 UTC1h 20m
2026-07-22 SNJ93 HND → OIT Jul 22, 01:40 UTCJul 22, 02:40 UTC1h 0m
2026-07-21 SNJ52 KMI → HND Jul 21, 11:00 UTCJul 22, 00:40 UTC13h 40m
2026-07-21 SNJ61 HND → KMI Jul 21, 06:45 UTCJul 21, 09:50 UTC3h 5m
2026-07-21 SNJ16 KMJ → HND Jul 21, 04:20 UTCJul 21, 05:45 UTC1h 25m
2026-07-21 SNJ13 HND → KMJ Jul 21, 02:05 UTCJul 21, 03:25 UTC1h 20m
2026-07-20 SNJ92 - Jul 20, 23:50 UTCJul 21, 01:00 UTC1h 10m
2026-07-20 SNJ91 HND → OIT Jul 20, 21:40 UTCJul 20, 22:45 UTC1h 5m
2026-07-20 SNJ64 - Jul 20, 07:50 UTCJul 20, 11:00 UTC3h 10m
2026-07-20 SNJ127 UKB → OKA Jul 20, 06:35 UTCJul 20, 06:50 UTC15m
2026-07-20 SNJ127 UKB → OKA Jul 20, 05:10 UTCJul 20, 05:55 UTC45m
2026-07-20 SNJ126 OKA → UKB Jul 20, 02:40 UTCJul 20, 04:20 UTC1h 40m
2026-07-20 SNJ67 KMI → OKA Jul 20, 01:05 UTCJul 20, 01:15 UTC10m
2026-07-19 SNJ51 HND → KMI Jul 19, 21:55 UTCJul 19, 22:55 UTC1h 0m
2026-07-19 SNJ20 - Jul 19, 10:05 UTCJul 19, 11:30 UTC1h 25m
2026-07-19 SNJ17 - Jul 19, 07:50 UTCJul 19, 09:15 UTC1h 25m
2026-07-19 SNJ60 - Jul 19, 05:35 UTCJul 19, 06:55 UTC1h 20m
2026-07-19 SNJ57 - Jul 19, 03:20 UTCJul 19, 04:15 UTC55m
2026-07-19 SNJ32 - Jul 19, 00:45 UTCJul 19, 02:15 UTC1h 30m
2026-07-18 SNJ31 HND → NGS Jul 18, 22:30 UTCJul 18, 23:50 UTC1h 20m
2026-07-18 SNJ98 - Jul 18, 11:05 UTCJul 18, 12:10 UTC1h 5m
2026-07-18 SNJ97 - Jul 18, 08:40 UTCJul 18, 09:40 UTC1h 0m
2026-07-18 SNJ18 KMJ → HND Jul 18, 06:20 UTCJul 18, 07:45 UTC1h 25m
2026-07-18 SNJ15 - Jul 18, 03:40 UTCJul 18, 05:00 UTC1h 20m
2026-07-18 SNJ14 - Jul 18, 01:00 UTCJul 18, 02:19 UTC1h 20m

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 JA813X page for operator, model, and routing details .

Mode-S 86D259 frequently asked

What is Mode-S code 86D259?
86D259 is an ICAO 24-bit transponder address. Allocated to Japan. Assigned to JA813X.
Where is Mode-S 86D259 registered?
Mode-S code 86D259 is allocated to Japan (JP). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 86D259 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 13:05 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 86D259, octal 41551131, decimal 8,835,673.
What flights does 86D259 operate?
Mode-S 86D259 has broadcast 20 distinct callsigns, including SNJ97, SNJ18, SNJ11, SNJ98, SNJ15.