Apparatus

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sensors Mode-S transponder

8A05EF

ICAO 24-bit transponder address · allocated to Indonesia

Currently assigned to PK-LUH · AIRBUS A-320

Hex
8A05EF
Octal
42402757
Decimal
9,045,487
Country
ID
Tail
PK-LUH
Type
A320
No current signal · last broadcast 12h ago
Flights observed
135
Distinct callsigns
20
Country
ID
Last broadcast
12h ago

Last known position

Most recent position reported by Mode-S 8A05EF.

Country allocation

The ICAO 24-bit address 8A05EF 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
BTK6362 Batik Air 4 2026-05-28
BTK6339 Batik Air 4 2026-05-29
BTK6205 Batik Air 4 2026-05-29
BTK6818 Batik Air 3 2026-05-01
BTK6805 Batik Air 3 2026-05-25
BTK6804 Batik Air 3 2026-05-25
BTK6566 Batik Air 3 2026-05-02
BTK6565 Batik Air 3 2026-05-25
BTK6564 Batik Air 3 2026-05-25
BTK6401 Batik Air 3 2026-05-28
BTK6338 Batik Air 3 2026-05-09
BTK7630 Batik Air 2 2026-05-13
BTK7583 Batik Air 2 2026-04-24
BTK7581 Batik Air 2 2026-04-25
BTK7517 Batik Air 2 2026-04-21
BTK7515 Batik Air 2 2026-04-26
BTK7511 Batik Air 2 2026-04-20
BTK7368 Batik Air 2 2026-05-12
BTK7311 Batik Air 2 2026-04-23
BTK7152 Batik Air 2 2026-04-15

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 BTK6353 SRG → CGK May 30, 11:45 UTCMay 30, 12:20 UTC35m
2026-05-30 BTK6352 CGK → SRG May 30, 09:40 UTCMay 30, 10:05 UTC25m
2026-05-30 BTK6871 PLM → CGK May 30, 07:15 UTCMay 30, 07:30 UTC15m
2026-05-30 BTK6870 CGK → PLM May 30, 05:00 UTCMay 30, 05:10 UTC10m
2026-05-29 BTK6140 CGK → TTE May 29, 19:45 UTCMay 29, 20:00 UTC15m
2026-05-29 BTK6205 PKN → CGK May 29, 10:00 UTCMay 29, 10:15 UTC15m
2026-05-29 BTK6204 CGK → PKN May 29, 07:10 UTCMay 29, 07:20 UTC10m
2026-05-29 BTK6339 SRG → CGK May 29, 05:35 UTCMay 29, 06:00 UTC25m
2026-05-28 BTK6362 CGK → SRG May 28, 12:45 UTCMay 28, 13:10 UTC25m
2026-05-28 BTK6401 SUB → CGK May 28, 10:10 UTCMay 28, 10:40 UTC30m
2026-05-27 BTK6401 SUB → CGK May 27, 13:05 UTCMay 28, 10:40 UTC21h 35m
2026-05-27 BTK6345 YIA → CGK May 27, 08:35 UTCMay 27, 08:50 UTC15m
2026-05-27 BTK6344 CGK → YIA May 27, 06:09 UTCMay 27, 06:29 UTC20m
2026-05-27 BTK7540 YIA → CGK May 27, 03:34 UTCMay 27, 03:50 UTC15m
2026-05-27 BTK7533 CGK → YIA May 27, 01:14 UTCMay 27, 01:39 UTC25m
2026-05-26 BTK6807 DJB → CGK May 26, 23:10 UTCMay 26, 23:25 UTC15m
2026-05-26 BTK6806 CGK → DJB May 26, 10:34 UTCMay 26, 10:44 UTC10m
2026-05-26 BTK7108 PDG → CGK May 26, 05:20 UTCMay 26, 08:19 UTC3h 0m
2026-05-26 BTK6229 PNK → CGK May 26, 04:10 UTCMay 26, 04:20 UTC10m
2026-05-26 BTK6228 CGK → PNK May 26, 00:44 UTCMay 26, 00:54 UTC10m
2026-05-25 BTK6565 MLG → CGK May 25, 09:30 UTCMay 25, 09:55 UTC25m
2026-05-25 BTK6564 CGK → MLG May 25, 06:05 UTCMay 25, 06:30 UTC25m
2026-05-25 BTK6805 DJB → CGK May 25, 04:05 UTCMay 25, 04:55 UTC50m
2026-05-25 BTK6804 CGK → DJB May 25, 01:55 UTCMay 25, 02:40 UTC45m
2026-05-24 BTK6362 CGK → SRG May 24, 12:45 UTCMay 24, 13:10 UTC25m
2026-05-24 BTK6406 CGK → SUB May 24, 06:45 UTCMay 24, 07:10 UTC25m
2026-05-24 BTK6350 CGK → SRG May 24, 03:05 UTCMay 24, 05:25 UTC2h 20m
2026-05-24 BTK6863 BTH → CGK May 24, 00:20 UTCMay 24, 00:40 UTC20m
2026-05-23 BTK6862 CGK → BTH May 23, 12:35 UTCMay 23, 13:25 UTC50m
2026-05-23 BTK6253 BPN → CGK May 23, 08:25 UTCMay 23, 08:40 UTC15m
2026-05-23 BTK6573 SUB → CGK May 23, 02:25 UTCMay 23, 02:40 UTC14m
2026-05-22 BTK6572 CGK → SUB May 22, 23:15 UTCMay 22, 23:35 UTC20m
2026-05-21 BTK6264 CGK → UPG May 21, 19:10 UTCMay 21, 19:35 UTC25m
2026-05-21 BTK6293 UPG → CGK May 21, 12:00 UTCMay 21, 12:15 UTC15m
2026-05-20 BTK6288 CGK → UPG May 20, 17:35 UTCMay 20, 17:55 UTC20m
2026-05-20 BTK6292 CGK → UPG May 20, 02:20 UTCMay 20, 12:00 UTC9h 41m
2026-05-19 BTK6885 KNO → CGK May 19, 22:55 UTCMay 20, 00:45 UTC1h 50m
2026-05-18 BTK6884 CGK → KNO May 18, 12:35 UTCMay 18, 14:10 UTC1h 35m
2026-05-18 BTK6401 SUB → CGK May 18, 10:30 UTCMay 18, 10:45 UTC15m
2026-05-18 BTK7501 HLP → SUB May 18, 07:00 UTCMay 18, 07:40 UTC40m
2026-05-16 BTK6288 CGK → UPG May 16, 17:20 UTCMay 16, 17:45 UTC25m
2026-05-16 BTK6371 YIA → CGK May 16, 13:21 UTCMay 16, 13:51 UTC30m
2026-05-16 BTK6374 CGK → YIA May 16, 11:11 UTCMay 16, 11:35 UTC25m
2026-05-15 BTK6656 CGK → LOP May 15, 23:50 UTCMay 16, 05:00 UTC5h 10m
2026-05-15 BTK6352 CGK → SRG May 15, 09:35 UTCMay 15, 12:25 UTC2h 50m
2026-05-15 BTK6526 CGK → LBJ May 15, 03:05 UTCMay 15, 03:55 UTC50m
2026-05-14 BTK6200 CGK → PKY May 14, 08:50 UTCMay 14, 09:00 UTC10m
2026-05-14 BTK6870 CGK → PLM May 14, 05:10 UTCMay 14, 05:20 UTC10m
2026-05-14 BTK6228 CGK → PNK May 14, 00:40 UTCMay 14, 00:50 UTC10m
2026-05-13 BTK7630 DMK → CGK May 13, 09:50 UTCMay 13, 10:00 UTC10m

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 PK-LUH page for operator, model, and routing details .

Mode-S 8A05EF frequently asked

What is Mode-S code 8A05EF?
8A05EF is an ICAO 24-bit transponder address. Allocated to Indonesia. Assigned to PK-LUH.
Where is Mode-S 8A05EF registered?
Mode-S code 8A05EF is allocated to Indonesia (ID). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 8A05EF broadcasting right now?
No active broadcast right now. Last signal was 12h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 8A05EF, octal 42402757, decimal 9,045,487.
What flights does 8A05EF operate?
Mode-S 8A05EF has broadcast 20 distinct callsigns, including BTK6362, BTK6339, BTK6205, BTK6818, BTK6805.