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 13h ago
Flights observed
10
Distinct callsigns
8
Country
JP
Last broadcast
13h 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 8 distinct

Callsign Airline Flights Last seen
SNJ96 - 2 2026-04-14
SNJ92 - 2 2026-04-13
SNJ95 Skynet Asia Airways 1 2026-04-14
SNJ61 - 1 2026-04-13
SNJ52 - 1 2026-04-13
SNJ25 - 1 2026-04-14
SNJ16 - 1 2026-04-13
SNJ13 - 1 2026-04-13

Recent flights last 10

DateFlightRouteTakeoffLandingDuration
2026-04-14 SNJ25 - Apr 14, 10:45 UTCApr 14, 11:05 UTC20m
2026-04-14 SNJ96 - Apr 14, 09:10 UTCApr 14, 09:35 UTC25m
2026-04-14 SNJ96 - Apr 14, 08:35 UTCApr 14, 09:05 UTC30m
2026-04-14 SNJ95 HND → OIT Apr 14, 06:00 UTCApr 14, 07:10 UTC1h 10m
2026-04-13 SNJ52 - Apr 13, 23:20 UTCApr 13, 23:40 UTC20m
2026-04-13 SNJ61 - Apr 13, 06:45 UTCApr 13, 07:25 UTC40m
2026-04-13 SNJ16 - Apr 13, 04:50 UTCApr 13, 05:45 UTC55m
2026-04-13 SNJ13 - Apr 13, 02:00 UTCApr 13, 03:35 UTC1h 35m
2026-04-13 SNJ92 - Apr 13, 00:20 UTCApr 13, 00:45 UTC25m
2026-04-12 SNJ92 TAK → HND Apr 12, 23:55 UTCApr 13, 00:45 UTC50m

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 13h 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 8 distinct callsigns, including SNJ96, SNJ92, SNJ95, SNJ61, SNJ52.