sensors Mode-S transponder

85134A

ICAO 24-bit transponder address · allocated to Japan

Currently assigned to JA31MC · AIRBUS A-320neo

Hex
85134A
Octal
41211512
Decimal
8,721,226
Country
JP
Tail
JA31MC
Type
A20N
Broadcasting now · callsign SFJ45 · 33,725 ft
Flights observed
571
Distinct callsigns
20
Country
JP
Last broadcast
12m ago

Current position

85134A is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 85134A 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
SFJ55 - 23 2026-07-08
SFJ26 - 23 2026-07-08
SFJ25 - 23 2026-07-08
SFJ43 - 22 2026-07-09
SFJ46 - 21 2026-07-13
SFJ44 - 21 2026-07-09
SFJ40 - 21 2026-07-08
SFJ83 - 20 2026-07-12
SFJ74 - 20 2026-07-13
SFJ45 - 20 2026-07-14
SFJ88 - 19 2026-07-12
SFJ89 - 18 2026-07-12
SFJ47 - 13 2026-06-26
SFJ54 - 12 2026-06-26
SFJ53 - 12 2026-06-26
SFJ50 - 12 2026-06-26
SFJ75 - 11 2026-06-22
SFJ92 - 10 2026-06-22
SFJ87 - 10 2026-06-22
SFJ80 - 10 2026-06-22

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 SFJ45 - Jul 14, 01:45 UTCJul 14, 02:30 UTC45m
2026-07-13 SFJ74 - Jul 13, 23:15 UTCJul 14, 00:35 UTC1h 20m
2026-07-13 SFJ0089 - Jul 13, 12:55 UTCJul 13, 13:55 UTC1h 0m
2026-07-13 SFJ0088 - Jul 13, 10:30 UTCJul 13, 11:55 UTC1h 25m
2026-07-13 SFJ0083 - Jul 13, 07:20 UTCJul 13, 08:20 UTC1h 0m
2026-07-13 SFJ46 - Jul 13, 04:40 UTCJul 13, 06:05 UTC1h 25m
2026-07-13 SFJ45 - Jul 13, 01:35 UTCJul 13, 02:55 UTC1h 20m
2026-07-12 SFJ74 - Jul 12, 23:10 UTCJul 13, 00:35 UTC1h 25m
2026-07-12 SFJ89 - Jul 12, 12:01 UTCJul 12, 13:01 UTC1h 0m
2026-07-12 SFJ88 - Jul 12, 09:10 UTCJul 12, 10:35 UTC1h 25m
2026-07-12 SFJ83 - Jul 12, 07:01 UTCJul 12, 08:01 UTC1h 0m
2026-07-12 SFJ46 - Jul 12, 04:25 UTCJul 12, 05:55 UTC1h 30m
2026-07-12 SFJ45 - Jul 12, 01:30 UTCJul 12, 02:45 UTC1h 15m
2026-07-11 SFJ74 - Jul 11, 23:05 UTCJul 12, 00:25 UTC1h 20m
2026-07-11 SFJ89 - Jul 11, 11:45 UTCJul 11, 12:50 UTC1h 5m
2026-07-11 SFJ88 - Jul 11, 09:10 UTCJul 11, 10:25 UTC1h 15m
2026-07-11 SFJ83 - Jul 11, 06:55 UTCJul 11, 08:05 UTC1h 10m
2026-07-11 SFJ46 - Jul 11, 04:15 UTCJul 11, 05:50 UTC1h 35m
2026-07-11 SFJ45 - Jul 11, 01:40 UTCJul 11, 02:45 UTC1h 5m
2026-07-10 SFJ74 - Jul 10, 23:15 UTCJul 11, 00:30 UTC1h 15m
2026-07-10 SFJ89 - Jul 10, 11:40 UTCJul 10, 12:45 UTC1h 5m
2026-07-10 SFJ88 - Jul 10, 09:10 UTCJul 10, 10:20 UTC1h 10m
2026-07-10 SFJ83 - Jul 10, 06:50 UTCJul 10, 07:55 UTC1h 5m
2026-07-10 SFJ46 - Jul 10, 04:15 UTCJul 10, 05:40 UTC1h 25m
2026-07-10 SFJ45 - Jul 10, 01:30 UTCJul 10, 02:40 UTC1h 10m
2026-07-09 SFJ74 - Jul 9, 23:15 UTCJul 10, 00:30 UTC1h 15m
2026-07-09 SFJ89 - Jul 9, 11:55 UTCJul 9, 13:00 UTC1h 5m
2026-07-09 SFJ88 - Jul 9, 09:10 UTCJul 9, 10:30 UTC1h 20m
2026-07-09 SFJ83 - Jul 9, 06:45 UTCJul 9, 07:50 UTC1h 5m
2026-07-09 SFJ44 - Jul 9, 03:15 UTCJul 9, 04:35 UTC1h 20m
2026-07-09 SFJ43 - Jul 9, 00:50 UTCJul 9, 01:50 UTC1h 0m
2026-07-08 SFJ40 - Jul 8, 22:15 UTCJul 8, 23:50 UTC1h 35m
2026-07-08 SFJ55 - Jul 8, 11:15 UTCJul 8, 12:20 UTC1h 5m
2026-07-08 SFJ26 KIX → HND Jul 8, 09:00 UTCJul 8, 09:55 UTC55m
2026-07-08 SFJ25 HND → KIX Jul 8, 06:35 UTCJul 8, 07:30 UTC55m
2026-07-08 SFJ44 - Jul 8, 03:15 UTCJul 8, 04:35 UTC1h 20m
2026-07-08 SFJ43 - Jul 8, 00:35 UTCJul 8, 01:40 UTC1h 5m
2026-07-07 SFJ40 - Jul 7, 22:15 UTCJul 7, 23:35 UTC1h 20m
2026-07-07 SFJ55 - Jul 7, 11:15 UTCJul 7, 12:20 UTC1h 5m
2026-07-07 SFJ26 - Jul 7, 08:40 UTCJul 7, 09:25 UTC45m
2026-07-07 SFJ25 - Jul 7, 06:30 UTCJul 7, 07:25 UTC55m
2026-07-07 SFJ0044 - Jul 7, 03:00 UTCJul 7, 04:15 UTC1h 15m
2026-07-07 SFJ0043 - Jul 7, 00:40 UTCJul 7, 01:50 UTC1h 10m
2026-07-06 SFJ0040 - Jul 6, 22:15 UTCJul 6, 23:30 UTC1h 15m
2026-07-06 SFJ55 - Jul 6, 11:10 UTCJul 6, 12:20 UTC1h 10m
2026-07-06 SFJ26 - Jul 6, 09:25 UTCJul 6, 10:15 UTC50m
2026-07-06 SFJ25 HND → KIX Jul 6, 06:30 UTCJul 6, 07:30 UTC1h 0m
2026-07-06 SFJ44 - Jul 6, 03:25 UTCJul 6, 04:45 UTC1h 20m
2026-07-06 SFJ43 - Jul 6, 00:45 UTCJul 6, 01:55 UTC1h 10m
2026-07-05 SFJ40 - Jul 5, 22:20 UTCJul 5, 23:40 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 JA31MC page for operator, model, and routing details .

Mode-S 85134A frequently asked

What is Mode-S code 85134A?
85134A is an ICAO 24-bit transponder address. Allocated to Japan. Assigned to JA31MC.
Where is Mode-S 85134A registered?
Mode-S code 85134A is allocated to Japan (JP). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 85134A broadcasting right now?
Yes. Mode-S 85134A is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 85134A, octal 41211512, decimal 8,721,226.
What flights does 85134A operate?
Mode-S 85134A has broadcast 20 distinct callsigns, including SFJ55, SFJ26, SFJ25, SFJ43, SFJ46.