Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

8511CA

ICAO 24-bit transponder address · allocated to Japan

Currently assigned to JA316J · BOEING 737-800

Hex
8511CA
Octal
41210712
Decimal
8,720,842
Country
JP
Tail
JA316J
Type
B738
Broadcasting now · callsign JAL2505 · 25,000 ft
Flights observed
561
Distinct callsigns
20
Country
JP
Last broadcast
Jul 26, 12:10 UTC

Current position

8511CA is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 8511CA 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
JAL661 Japan Airlines 6 2026-07-16
JAL460 - 6 2026-07-17
JAL459 - 6 2026-07-17
JAL668 Japan Airlines 5 2026-05-11
JAL663 Japan Airlines 5 2026-05-11
JAL378 Japan Airlines 5 2026-07-05
JAL266 - 5 2026-07-10
JAL265 - 5 2026-07-10
JAL923 - 4 2026-07-12
JAL670 Japan Airlines 4 2026-07-20
JAL665 Japan Airlines 4 2026-07-20
JAL664H - 4 2026-07-17
JAL658 - 4 2026-07-14
JAL651 Japan Airlines 4 2026-07-23
JAL624 - 4 2026-06-29
JAL623 - 4 2026-06-28
JAL577 Japan Airlines 4 2026-07-26
JAL574 Japan Airlines 4 2026-07-26
JAL572 - 4 2026-06-29
JAL565 - 4 2026-07-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 JAL499 HND → KCZ Jul 26, 11:30 UTCJul 26, 12:10 UTC40m
2026-07-26 JAL574 OBO → HND Jul 26, 08:45 UTCJul 26, 10:05 UTC1h 20m
2026-07-26 JAL577 HND → OBO Jul 26, 06:00 UTCJul 26, 07:05 UTC1h 6m
2026-07-26 JAL434 MYJ → HND Jul 26, 02:50 UTCJul 26, 04:05 UTC1h 15m
2026-07-26 JAL433 HND → MYJ Jul 26, 00:50 UTCJul 26, 01:50 UTC1h 0m
2026-07-25 JAL430 MYJ → HND Jul 25, 22:25 UTCJul 25, 23:35 UTC1h 10m
2026-07-25 JAL443 HND → MYJ Jul 25, 11:50 UTCJul 25, 12:50 UTC1h 0m
2026-07-25 JAL672 OIT → HND Jul 25, 09:10 UTCJul 25, 10:25 UTC1h 15m
2026-07-25 JAL667 HND → OIT Jul 25, 06:20 UTCJul 25, 07:20 UTC1h 0m
2026-07-25 JAL456 TKS → HND Jul 25, 03:35 UTCJul 25, 04:40 UTC1h 5m
2026-07-25 JAL455B - Jul 25, 01:45 UTCJul 25, 02:35 UTC50m
2026-07-24 JAL662M - Jul 24, 23:00 UTCJul 25, 00:10 UTC1h 10m
2026-07-24 JAL671 HND → OIT Jul 24, 12:40 UTCJul 24, 13:40 UTC1h 0m
2026-07-24 JAL148 AOJ → HND Jul 24, 10:20 UTCJul 24, 11:30 UTC1h 10m
2026-07-24 JAL147 HND → AOJ Jul 24, 07:30 UTCJul 24, 08:30 UTC1h 0m
2026-07-24 JAL258 HIJ → HND Jul 24, 05:05 UTCJul 24, 06:25 UTC1h 20m
2026-07-24 JAL259 HND → HIJ Jul 24, 03:05 UTCJul 24, 04:05 UTC1h 0m
2026-07-24 JAL492 KCZ → HND Jul 24, 00:55 UTCJul 24, 01:55 UTC1h 0m
2026-07-23 JAL491 HND → KCZ Jul 23, 22:50 UTCJul 23, 23:30 UTC40m
2026-07-23 JAL652 - Jul 23, 10:35 UTCJul 23, 11:45 UTC1h 10m
2026-07-23 JAL651 HND → KOJ Jul 23, 07:55 UTCJul 23, 08:55 UTC1h 0m
2026-07-23 JAL118 ITM → HND Jul 23, 04:40 UTCJul 23, 05:35 UTC55m
2026-07-23 JAL3912 CTS → ITM Jul 23, 01:35 UTCJul 23, 03:05 UTC1h 30m
2026-07-22 JAL3911 ITM → CTS Jul 22, 22:40 UTCJul 23, 00:10 UTC1h 30m
2026-07-22 JAL2092 OKA → ITM Jul 22, 11:10 UTCJul 22, 11:30 UTC20m
2026-07-22 JAL2464 ASJ → ITM Jul 22, 01:35 UTCJul 22, 05:05 UTC3h 30m
2026-07-21 JAL3910 CTS → ITM Jul 21, 23:10 UTCJul 22, 00:40 UTC1h 30m
2026-07-21 JAL3919 ITM → CTS Jul 21, 10:50 UTCJul 21, 12:20 UTC1h 30m
2026-07-21 JAL2086 OKA → ITM Jul 21, 07:35 UTCJul 21, 09:15 UTC1h 40m
2026-07-21 JAL2085 ITM → OKA Jul 21, 06:10 UTCJul 21, 06:25 UTC15m
2026-07-21 JAL2085 ITM → OKA Jul 21, 04:50 UTCJul 21, 05:25 UTC35m
2026-07-21 JAL115 HND → ITM Jul 21, 03:05 UTCJul 21, 03:45 UTC40m
2026-07-21 JAL432 - Jul 21, 00:25 UTCJul 21, 01:35 UTC1h 10m
2026-07-20 JAL431 HND → MYJ Jul 20, 22:00 UTCJul 20, 23:05 UTC1h 5m
2026-07-20 JAL497 HND → KCZ Jul 20, 08:15 UTCJul 20, 11:20 UTC3h 5m
2026-07-20 JAL670 OIT → HND Jul 20, 05:55 UTCJul 20, 07:05 UTC1h 10m
2026-07-20 JAL665 HND → OIT Jul 20, 03:35 UTCJul 20, 04:40 UTC1h 5m
2026-07-20 JAL562 - Jul 20, 00:50 UTCJul 20, 02:30 UTC1h 40m
2026-07-19 JAL565 HND → MMB Jul 19, 22:30 UTCJul 19, 23:55 UTC1h 25m
2026-07-19 JAL192 KMQ → HND Jul 19, 11:55 UTCJul 19, 12:50 UTC55m
2026-07-19 JAL191 - Jul 19, 10:30 UTCJul 19, 11:05 UTC35m
2026-07-19 JAL982 OKA → HND Jul 19, 07:05 UTCJul 19, 09:15 UTC2h 10m
2026-07-19 JAL981 HND → UEO Jul 19, 02:15 UTCJul 19, 04:15 UTC2h 0m
2026-07-19 JAL184 - Jul 19, 00:00 UTCJul 19, 00:50 UTC50m
2026-07-18 JAL183 HND → KMQ Jul 18, 22:30 UTCJul 18, 23:05 UTC35m
2026-07-18 JAL674 - Jul 18, 10:10 UTCJul 18, 11:25 UTC1h 15m
2026-07-18 JAL669 - Jul 18, 08:05 UTCJul 18, 09:05 UTC1h 0m
2026-07-18 JAL436 - Jul 18, 05:40 UTCJul 18, 06:55 UTC1h 15m
2026-07-18 JAL435 - Jul 18, 03:35 UTCJul 18, 04:30 UTC55m
2026-07-18 JAL234 - Jul 18, 01:20 UTCJul 18, 02:25 UTC1h 5m

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 JA316J page for operator, model, and routing details .

Mode-S 8511CA frequently asked

What is Mode-S code 8511CA?
8511CA is an ICAO 24-bit transponder address. Allocated to Japan. Assigned to JA316J.
Where is Mode-S 8511CA registered?
Mode-S code 8511CA is allocated to Japan (JP). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 8511CA broadcasting right now?
Yes. Mode-S 8511CA is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 8511CA, octal 41210712, decimal 8,720,842.
What flights does 8511CA operate?
Mode-S 8511CA has broadcast 20 distinct callsigns, including JAL661, JAL460, JAL459, JAL668, JAL663.