Apparatus

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sensors Mode-S transponder

86CF6F

ICAO 24-bit transponder address · allocated to Japan

Currently assigned to JA808X · BOEING 737-800

Hex
86CF6F
Octal
41547557
Decimal
8,834,927
Country
JP
Tail
JA808X
Type
B738
No current signal · last broadcast 42m ago
Flights observed
256
Distinct callsigns
20
Country
JP
Last broadcast
42m ago

Last known position

Most recent position reported by Mode-S 86CF6F.

Country allocation

The ICAO 24-bit address 86CF6F 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
SNJ35 Skynet Asia Airways 8 2026-05-29
SNJ36 Skynet Asia Airways 7 2026-05-29
SNJ23 Skynet Asia Airways 7 2026-05-23
SNJ21 Skynet Asia Airways 7 2026-05-27
SNJ79 Skynet Asia Airways 6 2026-05-28
SNJ75 Skynet Asia Airways 6 2026-05-28
SNJ74 Skynet Asia Airways 6 2026-05-29
SNJ55 Skynet Asia Airways 6 2026-05-30
SNJ22 Skynet Asia Airways 6 2026-05-19
SNJ19 Skynet Asia Airways 6 2026-05-29
SNJ12 Skynet Asia Airways 6 2026-05-29
SNJ78 Skynet Asia Airways 5 2026-05-28
SNJ77 Skynet Asia Airways 5 2026-05-21
SNJ72 Skynet Asia Airways 5 2026-05-21
SNJ65 Skynet Asia Airways 5 2026-05-22
SNJ58 Skynet Asia Airways 5 2026-05-30
SNJ56 Skynet Asia Airways 5 2026-05-23
SNJ34 Skynet Asia Airways 5 2026-05-22
SNJ33 Skynet Asia Airways 5 2026-05-22
SNJ32 Skynet Asia Airways 5 2026-05-27

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 SNJ58 KMI → HND May 30, 04:05 UTCMay 30, 05:15 UTC1h 10m
2026-05-30 SNJ55 HND → KMI May 30, 01:30 UTCMay 30, 02:40 UTC1h 10m
2026-05-29 SNJ12 KMJ → HND May 29, 23:05 UTCMay 30, 00:05 UTC1h 0m
2026-05-29 SNJ19 HND → KMJ May 29, 09:35 UTCMay 29, 11:05 UTC1h 30m
2026-05-29 SNJ36 NGS → HND May 29, 07:20 UTCMay 29, 08:35 UTC1h 15m
2026-05-29 SNJ35 HND → NGS May 29, 04:40 UTCMay 29, 06:05 UTC1h 25m
2026-05-29 SNJ74 KOJ → HND May 29, 01:35 UTCMay 29, 02:35 UTC1h 0m
2026-05-28 SNJ115 NGO → KOJ May 28, 23:25 UTCMay 29, 00:10 UTC45m
2026-05-28 SNJ118 KOJ → NGO May 28, 12:20 UTCMay 28, 12:30 UTC10m
2026-05-28 SNJ79 HND → KOJ May 28, 09:30 UTCMay 28, 10:35 UTC1h 5m
2026-05-28 SNJ78 KOJ → HND May 28, 07:20 UTCMay 28, 08:35 UTC1h 15m
2026-05-28 SNJ75 HND → KOJ May 28, 04:40 UTCMay 28, 05:45 UTC1h 5m
2026-05-27 SNJ21 HND → OKA May 27, 21:25 UTCMay 28, 03:35 UTC6h 10m
2026-05-27 SNJ20 KMJ → HND May 27, 10:35 UTCMay 27, 11:50 UTC1h 15m
2026-05-27 SNJ17 HND → KMJ May 27, 07:55 UTCMay 27, 09:15 UTC1h 20m
2026-05-27 SNJ57 HND → KMI May 27, 03:20 UTCMay 27, 06:55 UTC3h 35m
2026-05-27 SNJ32 NGS → HND May 27, 00:55 UTCMay 27, 02:04 UTC1h 10m
2026-05-26 SNJ31 HND → NGS May 26, 22:25 UTCMay 26, 23:49 UTC1h 25m
2026-05-26 SNJ38 NGS → HND May 26, 12:30 UTCMay 26, 13:40 UTC1h 10m
2026-05-26 SNJ37 HND → NGS May 26, 10:10 UTCMay 26, 11:34 UTC1h 25m
2026-05-26 SNJ24 OKA → HND May 26, 03:35 UTCMay 26, 09:04 UTC5h 30m
2026-05-26 SNJ116 KOJ → NGO May 26, 01:34 UTCMay 26, 02:15 UTC40m
2026-05-25 SNJ71 HND → KOJ May 25, 23:10 UTCMay 26, 00:14 UTC1h 5m
2026-05-25 SNJ80 KOJ → HND May 25, 09:40 UTCMay 25, 13:10 UTC3h 30m
2026-05-25 SNJ122 OKA → NGO May 25, 08:20 UTCMay 25, 08:40 UTC20m
2026-05-25 SNJ121 NGO → OKA May 25, 03:55 UTCMay 25, 04:10 UTC15m
2026-05-25 SNJ116 KOJ → NGO May 25, 02:10 UTCMay 25, 02:20 UTC10m
2026-05-24 SNJ71 HND → KOJ May 24, 23:05 UTCMay 24, 23:46 UTC41m
2026-05-24 SNJ20 KMJ → HND May 24, 10:20 UTCMay 24, 11:25 UTC1h 5m
2026-05-24 SNJ17 HND → KMJ May 24, 07:55 UTCMay 24, 09:05 UTC1h 10m
2026-05-24 SNJ60 KMI → HND May 24, 06:00 UTCMay 24, 06:45 UTC45m
2026-05-24 SNJ57 HND → KMI May 24, 03:20 UTCMay 24, 04:20 UTC1h 0m
2026-05-24 SNJ32 NGS → HND May 24, 00:45 UTCMay 24, 02:00 UTC1h 15m
2026-05-23 SNJ31 HND → NGS May 23, 22:20 UTCMay 23, 23:45 UTC1h 25m
2026-05-23 SNJ23 HND → OKA May 23, 05:00 UTCMay 23, 14:40 UTC9h 40m
2026-05-23 SNJ56 KMI → HND May 23, 02:55 UTCMay 23, 03:50 UTC55m
2026-05-23 SNJ107 NGO → KMI May 23, 01:00 UTCMay 23, 01:25 UTC25m
2026-05-22 SNJ108 KMI → NGO May 22, 23:25 UTCMay 22, 23:50 UTC25m
2026-05-22 SNJ65 HND → KMI May 22, 10:40 UTCMay 22, 11:35 UTC55m
2026-05-22 SNJ62 KMI → HND May 22, 08:25 UTCMay 22, 09:30 UTC1h 5m
2026-05-22 SNJ59T HND → KMI May 22, 05:50 UTCMay 22, 06:50 UTC1h 0m
2026-05-22 SNJ34 NGS → HND May 22, 03:15 UTCMay 22, 04:35 UTC1h 20m
2026-05-22 SNJ33 HND → NGS May 22, 00:50 UTCMay 22, 02:15 UTC1h 25m
2026-05-21 SNJ72 KOJ → HND May 21, 22:35 UTCMay 21, 23:45 UTC1h 10m
2026-05-21 SNJ77 HND → KOJ May 21, 06:20 UTCMay 21, 07:35 UTC1h 15m
2026-05-21 SNJ58 KMI → HND May 21, 03:55 UTCMay 21, 05:00 UTC1h 5m
2026-05-21 SNJ55 HND → KMI May 21, 01:30 UTCMay 21, 02:30 UTC1h 0m
2026-05-20 SNJ12 KMJ → HND May 20, 23:05 UTCMay 21, 00:25 UTC1h 20m
2026-05-20 SNJ19 HND → KMJ May 20, 09:25 UTCMay 20, 10:50 UTC1h 25m
2026-05-20 SNJ36 NGS → HND May 20, 06:45 UTCMay 20, 08:15 UTC1h 30m

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 JA808X page for operator, model, and routing details .

Mode-S 86CF6F frequently asked

What is Mode-S code 86CF6F?
86CF6F is an ICAO 24-bit transponder address. Allocated to Japan. Assigned to JA808X.
Where is Mode-S 86CF6F registered?
Mode-S code 86CF6F is allocated to Japan (JP). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 86CF6F broadcasting right now?
No active broadcast right now. Last signal was 42m ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 86CF6F, octal 41547557, decimal 8,834,927.
What flights does 86CF6F operate?
Mode-S 86CF6F has broadcast 20 distinct callsigns, including SNJ35, SNJ36, SNJ23, SNJ21, SNJ79.