sensors Mode-S transponder

8A0840

ICAO 24-bit transponder address · allocated to Indonesia

Currently assigned to LL-0119 · KOREAN AEROSPACE KT-1

Hex
8A0840
Octal
42404100
Decimal
9,046,080
Country
ID
Tail
LL-0119
Type
KT1
No current signal · last broadcast 5d ago
Flights observed
70
Distinct callsigns
20
Country
ID
Last broadcast
5d ago

Last known position

Most recent position reported by Mode-S 8A0840.

Country allocation

The ICAO 24-bit address 8A0840 falls within the block assigned to Indonesia (ID) by ICAO Annex 10, Volume III. Every aircraft registered in Indonesia 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
J050KT - 8 2026-05-19
J009KT - 5 2026-04-17
J985KT - 4 2026-04-24
J932KT - 3 2026-04-29
J055KT - 3 2026-05-13
J037KT - 3 2026-04-17
XRAYKT - 2 2026-05-18
TANGOKT - 2 2026-05-08
J977KT - 2 2026-04-24
J968KT - 2 2026-04-15
J935KT - 2 2026-04-28
J885KT - 2 2026-04-27
J058KT - 2 2026-05-13
J048KT - 2 2026-04-16
J045KT - 2 2026-05-11
XRYKT - 1 2026-05-12
WSKYFLKT - 1 2026-05-06
WKYKT - 1 2026-05-11
WHSKYKT - 1 2026-05-12
MIKEFLT - 1 2026-05-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-25 J018KT - May 25, 04:05 UTCMay 25, 04:30 UTC25m
2026-05-22 J918KT JOG → JOG May 22, 07:35 UTCMay 22, 08:05 UTC30m
2026-05-20 MIKEFLT - May 20, 08:40 UTCMay 20, 09:15 UTC35m
2026-05-19 J050KT - May 19, 02:40 UTCMay 19, 03:20 UTC40m
2026-05-18 XRAYKT - May 18, 09:05 UTCMay 18, 09:35 UTC30m
2026-05-13 J055KT - May 13, 08:55 UTCMay 13, 09:20 UTC25m
2026-05-13 J058KT - May 13, 05:50 UTCMay 13, 06:25 UTC35m
2026-05-13 J050KT - May 13, 04:25 UTCMay 13, 05:00 UTC35m
2026-05-12 XRYKT - May 12, 09:20 UTCMay 12, 09:50 UTC30m
2026-05-12 WHSKYKT - May 12, 05:45 UTCMay 12, 06:25 UTC40m
2026-05-12 XRAYKT - May 12, 04:05 UTCMay 12, 04:50 UTC45m
2026-05-11 J045KT - May 11, 09:45 UTCMay 11, 10:00 UTC15m
2026-05-11 WKYKT - May 11, 01:20 UTCMay 11, 02:20 UTC1h 0m
2026-05-08 J045KT - May 8, 08:05 UTCMay 8, 08:40 UTC35m
2026-05-08 TANGOKT - May 8, 06:14 UTCMay 8, 07:14 UTC1h 0m
2026-05-07 J044KT - May 7, 07:05 UTCMay 7, 07:35 UTC30m
2026-05-06 LIMAFLT - May 6, 07:30 UTCMay 6, 07:40 UTC10m
2026-05-06 J1037KT - May 6, 05:15 UTCMay 6, 05:50 UTC35m
2026-05-06 WSKYFLKT - May 6, 03:25 UTCMay 6, 04:25 UTC1h 0m
2026-05-05 J055KT - May 5, 07:00 UTCMay 5, 07:30 UTC30m
2026-05-05 J051KT - May 5, 05:45 UTCMay 5, 05:55 UTC10m
2026-05-05 J055KT - May 5, 04:35 UTCMay 5, 05:00 UTC25m
2026-05-05 J056KT - May 5, 03:10 UTCMay 5, 03:40 UTC30m
2026-04-30 J050KT - Apr 30, 09:00 UTCApr 30, 09:10 UTC10m
2026-04-30 TANGOKT - Apr 30, 03:40 UTCApr 30, 04:30 UTC50m
2026-04-29 J050KT - Apr 29, 09:15 UTCApr 29, 09:35 UTC20m
2026-04-29 J947KT - Apr 29, 07:45 UTCApr 29, 08:25 UTC40m
2026-04-29 J932KT - Apr 29, 06:39 UTCApr 29, 06:55 UTC15m
2026-04-28 J040KT JOG → JOG Apr 28, 08:55 UTCApr 28, 09:20 UTC25m
2026-04-28 J935KT - Apr 28, 07:00 UTCApr 28, 07:50 UTC50m
2026-04-28 J935KT - Apr 28, 05:10 UTCApr 28, 05:55 UTC45m
2026-04-28 J843KT - Apr 28, 03:30 UTCApr 28, 04:25 UTC55m
2026-04-28 J047KT - Apr 28, 02:00 UTCApr 28, 02:35 UTC35m
2026-04-27 J932KT - Apr 27, 06:00 UTCApr 27, 06:15 UTC15m
2026-04-27 J885KT - Apr 27, 03:35 UTCApr 27, 04:25 UTC50m
2026-04-24 J985KT - Apr 24, 05:55 UTCApr 24, 06:50 UTC55m
2026-04-24 J977KT - Apr 24, 03:10 UTCApr 24, 04:15 UTC1h 5m
2026-04-24 J977KT - Apr 24, 01:15 UTCApr 24, 02:20 UTC1h 5m
2026-04-23 J937KT - Apr 23, 11:25 UTCApr 23, 11:45 UTC20m
2026-04-23 J057KT - Apr 23, 07:20 UTCApr 23, 07:50 UTC30m
2026-04-23 J050KT - Apr 23, 03:05 UTCApr 23, 03:30 UTC25m
2026-04-22 J932KT - Apr 22, 14:40 UTCApr 22, 15:00 UTC20m
2026-04-22 J979KT - Apr 22, 13:40 UTCApr 22, 13:55 UTC15m
2026-04-22 J997KT - Apr 22, 12:30 UTCApr 22, 12:55 UTC25m
2026-04-20 J038KT - Apr 20, 01:30 UTCApr 20, 02:10 UTC40m
2026-04-17 J009KT - Apr 17, 14:30 UTCApr 17, 15:05 UTC35m
2026-04-17 J009KT - Apr 17, 13:30 UTCApr 17, 13:45 UTC15m
2026-04-17 J009KT - Apr 17, 11:40 UTCApr 17, 12:20 UTC40m
2026-04-17 J041KT - Apr 17, 04:00 UTCApr 17, 04:15 UTC15m
2026-04-17 J037KT - Apr 17, 01:35 UTCApr 17, 02:15 UTC40m

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 LL-0119 page for operator, model, and routing details .

Mode-S 8A0840 frequently asked

What is Mode-S code 8A0840?
8A0840 is an ICAO 24-bit transponder address. Allocated to Indonesia. Assigned to LL-0119.
Where is Mode-S 8A0840 registered?
Mode-S code 8A0840 is allocated to Indonesia (ID). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 8A0840 broadcasting right now?
No active broadcast right now. Last signal was 5d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 8A0840, octal 42404100, decimal 9,046,080.
What flights does 8A0840 operate?
Mode-S 8A0840 has broadcast 20 distinct callsigns, including J050KT, J009KT, J985KT, J932KT, J055KT.