Apparatus

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sensors Mode-S transponder

8413D7

ICAO 24-bit transponder address · allocated to Japan

Currently assigned to JA05GR · BOEING 737-800

Hex
8413D7
Octal
41011727
Decimal
8,655,831
Country
JP
Tail
JA05GR
Type
B738
No current signal · last broadcast 4h ago
Flights observed
208
Distinct callsigns
17
Country
JP
Last broadcast
4h ago

Last known position

Most recent position reported by Mode-S 8413D7.

Country allocation

The ICAO 24-bit address 8413D7 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 17 distinct

Callsign Airline Flights Last seen
SJO752 - 29 2026-07-12
SJO751 - 29 2026-07-12
SJO622 - 24 2026-06-30
SJO621 Spring Japan 24 2026-06-29
SJO831 - 21 2026-07-11
SJO838 - 15 2026-07-12
SJO836 - 15 2026-07-13
SJO213 - 11 2026-06-21
SJO835 - 10 2026-07-13
SJO253 - 10 2026-06-24
SJO214 - 7 2026-07-07
SJO254 - 6 2026-07-14
SJO858 - 2 2026-07-13
SJO857 - 2 2026-07-12
SJO9410 - 1 2026-06-19
SJO834 Spring Japan 1 2026-04-22
SJO833 Spring Japan 1 2026-04-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 SJO254 - Jul 14, 04:45 UTCJul 14, 12:10 UTC7h 25m
2026-07-13 SJO836 - Jul 13, 11:20 UTCJul 13, 12:30 UTC1h 10m
2026-07-13 SJO835 - Jul 13, 08:30 UTCJul 13, 09:50 UTC1h 20m
2026-07-13 SJO858 - Jul 13, 02:10 UTCJul 13, 03:10 UTC1h 0m
2026-07-12 SJO857 - Jul 12, 23:50 UTCJul 13, 01:05 UTC1h 15m
2026-07-12 SJO838 - Jul 12, 12:05 UTCJul 12, 13:15 UTC1h 10m
2026-07-12 SJO751 - Jul 12, 03:45 UTCJul 12, 05:10 UTC1h 25m
2026-07-12 SJO752 - Jul 12, 01:10 UTCJul 12, 02:25 UTC1h 15m
2026-07-11 SJO831 - Jul 11, 22:40 UTCJul 12, 00:05 UTC1h 25m
2026-07-11 SJO836 - Jul 11, 10:55 UTCJul 11, 12:05 UTC1h 10m
2026-07-11 SJO751 - Jul 11, 03:50 UTCJul 11, 05:20 UTC1h 30m
2026-07-11 SJO752 - Jul 11, 01:00 UTCJul 11, 02:20 UTC1h 20m
2026-07-10 SJO831 - Jul 10, 22:45 UTCJul 11, 00:00 UTC1h 15m
2026-07-10 SJO838 - Jul 10, 11:55 UTCJul 10, 13:00 UTC1h 5m
2026-07-10 SJO751 - Jul 10, 03:55 UTCJul 10, 05:20 UTC1h 25m
2026-07-10 SJO752 - Jul 10, 01:00 UTCJul 10, 02:20 UTC1h 20m
2026-07-09 SJO831 - Jul 9, 22:45 UTCJul 10, 00:05 UTC1h 20m
2026-07-07 SJO214 NRT → NRT Jul 7, 22:05 UTCJul 8, 06:40 UTC8h 35m
2026-07-06 SJO836 - Jul 6, 10:45 UTCJul 6, 11:55 UTC1h 10m
2026-07-06 SJO835 - Jul 6, 08:25 UTCJul 6, 09:45 UTC1h 20m
2026-07-06 SJO858 - Jul 6, 02:15 UTCJul 6, 03:20 UTC1h 5m
2026-07-05 SJO857 - Jul 5, 23:45 UTCJul 6, 00:50 UTC1h 5m
2026-07-05 SJO838 CTS → NRT Jul 5, 11:50 UTCJul 5, 13:05 UTC1h 15m
2026-07-05 SJO751 - Jul 5, 03:50 UTCJul 5, 05:15 UTC1h 25m
2026-07-05 SJO752 - Jul 5, 01:15 UTCJul 5, 02:40 UTC1h 25m
2026-07-04 SJO831 - Jul 4, 22:50 UTCJul 5, 00:05 UTC1h 15m
2026-07-04 SJO838 - Jul 4, 11:55 UTCJul 4, 13:00 UTC1h 5m
2026-07-04 SJO751 NGO → CTS Jul 4, 03:40 UTCJul 4, 05:00 UTC1h 20m
2026-07-04 SJO752 - Jul 4, 01:00 UTCJul 4, 02:20 UTC1h 20m
2026-07-03 SJO831 - Jul 3, 22:40 UTCJul 4, 00:00 UTC1h 20m
2026-07-03 SJO836 - Jul 3, 10:50 UTCJul 3, 12:05 UTC1h 15m
2026-07-03 SJO751 NGO → CTS Jul 3, 03:45 UTCJul 3, 05:05 UTC1h 20m
2026-07-03 SJO752 - Jul 3, 01:00 UTCJul 3, 02:20 UTC1h 20m
2026-07-02 SJO831 - Jul 2, 22:45 UTCJul 3, 00:00 UTC1h 15m
2026-06-30 SJO622 - Jun 30, 01:19 UTCJun 30, 02:35 UTC1h 16m
2026-06-29 SJO621 NRT → HIJ Jun 29, 23:09 UTCJun 30, 00:25 UTC1h 15m
2026-06-29 SJO836 - Jun 29, 10:40 UTCJun 29, 11:50 UTC1h 10m
2026-06-29 SJO835 - Jun 29, 08:14 UTCJun 29, 09:29 UTC1h 15m
2026-06-29 SJO622 - Jun 29, 01:00 UTCJun 29, 02:14 UTC1h 15m
2026-06-28 SJO621 NRT → HIJ Jun 28, 22:45 UTCJun 28, 23:54 UTC1h 10m
2026-06-28 SJO836 CTS → NRT Jun 28, 12:05 UTCJun 28, 13:25 UTC1h 20m
2026-06-28 SJO751 NGO → CTS Jun 28, 03:59 UTCJun 28, 05:15 UTC1h 15m
2026-06-28 SJO752 CTS → NGO Jun 28, 01:10 UTCJun 28, 02:39 UTC1h 30m
2026-06-27 SJO751 NGO → CTS Jun 27, 03:49 UTCJun 27, 04:54 UTC1h 5m
2026-06-27 SJO752 CTS → NGO Jun 27, 01:04 UTCJun 27, 02:35 UTC1h 30m
2026-06-26 SJO751 NGO → CTS Jun 26, 04:34 UTCJun 26, 05:55 UTC1h 20m
2026-06-26 SJO752 CTS → NGO Jun 26, 01:45 UTCJun 26, 03:15 UTC1h 30m
2026-06-25 SJO831 NRT → CTS Jun 25, 23:30 UTCJun 26, 00:45 UTC1h 15m
2026-06-24 SJO253 NRT → NRT Jun 24, 22:14 UTCJun 25, 06:00 UTC7h 45m
2026-06-23 SJO214 NRT → NRT Jun 23, 21:49 UTCJun 24, 06:45 UTC8h 55m

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 JA05GR page for operator, model, and routing details .

Mode-S 8413D7 frequently asked

What is Mode-S code 8413D7?
8413D7 is an ICAO 24-bit transponder address. Allocated to Japan. Assigned to JA05GR.
Where is Mode-S 8413D7 registered?
Mode-S code 8413D7 is allocated to Japan (JP). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 8413D7 broadcasting right now?
No active broadcast right now. Last signal was 4h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 8413D7, octal 41011727, decimal 8,655,831.
What flights does 8413D7 operate?
Mode-S 8413D7 has broadcast 17 distinct callsigns, including SJO752, SJO751, SJO622, SJO621, SJO831.