Apparatus

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sensors Mode-S transponder

8A04A4

ICAO 24-bit transponder address · allocated to Indonesia

Currently assigned to PK-GLZ · AIRBUS A-320

Hex
8A04A4
Octal
42402244
Decimal
9,045,156
Country
ID
Tail
PK-GLZ
Type
A320
No current signal · last broadcast 2h ago
Flights observed
192
Distinct callsigns
20
Country
ID
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S 8A04A4.

Country allocation

The ICAO 24-bit address 8A04A4 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
CTV975 Escuela De Pilotos Are Aviacion 7 2026-06-05
CTV913 Escuela De Pilotos Are Aviacion 7 2026-06-06
CTV974 Escuela De Pilotos Are Aviacion 5 2026-06-05
CTV967 Escuela De Pilotos Are Aviacion 5 2026-06-08
CTV912 Escuela De Pilotos Are Aviacion 5 2026-06-06
CTV986 Escuela De Pilotos Are Aviacion 4 2026-06-05
CTV969 Escuela De Pilotos Are Aviacion 4 2026-06-06
CTV968 Escuela De Pilotos Are Aviacion 4 2026-06-06
CTV965 Escuela De Pilotos Are Aviacion 4 2026-05-25
CTV964 Escuela De Pilotos Are Aviacion 4 2026-05-25
CTV940 Escuela De Pilotos Are Aviacion 4 2026-06-03
CTV718 Escuela De Pilotos Are Aviacion 4 2026-05-22
CTV987 Escuela De Pilotos Are Aviacion 3 2026-06-06
CTV966 Escuela De Pilotos Are Aviacion 3 2026-06-08
CTV943 Escuela De Pilotos Are Aviacion 3 2026-06-03
CTV941 Escuela De Pilotos Are Aviacion 3 2026-06-04
CTV938 Escuela De Pilotos Are Aviacion 3 2026-06-08
CTV937 Escuela De Pilotos Are Aviacion 3 2026-06-08
CTV933 Escuela De Pilotos Are Aviacion 3 2026-06-08
CTV763 Escuela De Pilotos Are Aviacion 3 2026-06-03

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-10 CTV737 SUB → CGK Jun 10, 05:35 UTCJun 10, 08:50 UTC3h 15m
2026-06-10 CTV885 DTB → CGK Jun 10, 04:15 UTCJun 10, 04:30 UTC15m
2026-06-09 CTV884 CGK → DTB Jun 9, 23:55 UTCJun 10, 03:45 UTC3h 50m
2026-06-09 CTV646 CGK → LOP Jun 9, 07:15 UTCJun 9, 11:20 UTC4h 5m
2026-06-09 CTV640 CGK → LOP Jun 9, 01:55 UTCJun 9, 06:00 UTC4h 5m
2026-06-08 CTV937 PKU → CGK Jun 8, 23:30 UTCJun 9, 01:00 UTC1h 30m
2026-06-08 CTV938 CGK → PKU Jun 8, 11:00 UTCJun 8, 12:10 UTC1h 10m
2026-06-08 CTV967 DJB → CGK Jun 8, 09:45 UTCJun 8, 10:00 UTC15m
2026-06-08 CTV967 DJB → CGK Jun 8, 08:55 UTCJun 8, 09:10 UTC15m
2026-06-08 CTV966 CGK → DJB Jun 8, 07:00 UTCJun 8, 08:00 UTC1h 0m
2026-06-08 CTV933 PKU → CGK Jun 8, 04:35 UTCJun 8, 04:50 UTC15m
2026-06-08 CTV933 PKU → CGK Jun 8, 03:30 UTCJun 8, 04:05 UTC35m
2026-06-08 CTV932 CGK → PKU Jun 8, 01:05 UTCJun 8, 02:15 UTC1h 10m
2026-06-07 CTV172 HLP → SUB Jun 7, 13:40 UTCJun 7, 23:50 UTC10h 10m
2026-06-07 CTV173 SUB → HLP Jun 7, 12:40 UTCJun 7, 12:50 UTC10m
2026-06-06 CTV726 CGK → SUB Jun 6, 12:24 UTCJun 6, 13:09 UTC45m
2026-06-06 CTV969 BTH → CGK Jun 6, 10:04 UTCJun 6, 11:19 UTC1h 15m
2026-06-06 CTV968 CGK → BTH Jun 6, 07:55 UTCJun 6, 08:55 UTC1h 0m
2026-06-06 CTV913 KNO → CGK Jun 6, 04:50 UTCJun 6, 06:45 UTC1h 55m
2026-06-06 CTV912 CGK → KNO Jun 6, 01:25 UTCJun 6, 03:10 UTC1h 45m
2026-06-06 CTV987 PLM → CGK Jun 6, 00:05 UTCJun 6, 00:15 UTC10m
2026-06-05 CTV986 CGK → PLM Jun 5, 12:10 UTCJun 5, 12:25 UTC15m
2026-06-05 CTV975 TNJ → CGK Jun 5, 09:50 UTCJun 5, 10:55 UTC1h 5m
2026-06-05 CTV974 CGK → TNJ Jun 5, 07:20 UTCJun 5, 08:15 UTC55m
2026-06-05 CTV767 - Jun 5, 04:50 UTCJun 5, 05:40 UTC50m
2026-06-05 CTV766 - Jun 5, 02:50 UTCJun 5, 03:30 UTC40m
2026-06-05 CTV775 YIA → CGK Jun 5, 01:15 UTCJun 5, 01:50 UTC35m
2026-06-04 CTV776 CGK → YIA Jun 4, 11:45 UTCJun 4, 12:10 UTC25m
2026-06-04 CTV793 SRG → CGK Jun 4, 10:10 UTCJun 4, 10:25 UTC15m
2026-06-04 CTV717 SUB → CGK Jun 4, 06:45 UTCJun 4, 06:55 UTC10m
2026-06-04 CTV716 CGK → SUB Jun 4, 03:35 UTCJun 4, 04:15 UTC40m
2026-06-04 CTV941 BTH → CGK Jun 4, 00:50 UTCJun 4, 02:05 UTC1h 15m
2026-06-03 CTV940 CGK → BTH Jun 3, 22:30 UTCJun 3, 23:25 UTC55m
2026-06-03 CTV915 KNO → CGK Jun 3, 11:50 UTCJun 3, 17:50 UTC6h 0m
2026-06-03 CTV943 BTH → CGK Jun 3, 08:50 UTCJun 3, 09:05 UTC15m
2026-06-03 CTV943 BTH → CGK Jun 3, 07:40 UTCJun 3, 08:10 UTC30m
2026-06-03 CTV942 CGK → BTH Jun 3, 05:20 UTCJun 3, 06:25 UTC1h 5m
2026-06-03 CTV763 SOC → CGK Jun 3, 04:00 UTCJun 3, 04:10 UTC10m
2026-06-03 CTV762 CGK → SOC Jun 3, 01:20 UTCJun 3, 02:20 UTC1h 0m
2026-06-02 CTV413 PNK → CGK Jun 2, 13:05 UTCJun 2, 13:20 UTC15m
2026-06-02 CTV997 - Jun 2, 08:20 UTCJun 2, 08:35 UTC15m
2026-06-02 CTV996 - Jun 2, 06:30 UTCJun 2, 06:50 UTC20m
2026-06-02 CTV933 PKU → CGK Jun 2, 03:30 UTCJun 2, 04:55 UTC1h 25m
2026-06-02 CTV932 CGK → PKU Jun 2, 01:05 UTCJun 2, 02:15 UTC1h 10m
2026-06-01 CTV726 CGK → SUB Jun 1, 12:10 UTCJun 1, 12:50 UTC40m
2026-06-01 CTV969 BTH → CGK Jun 1, 09:55 UTCJun 1, 11:10 UTC1h 15m
2026-06-01 CTV968 CGK → BTH Jun 1, 07:45 UTCJun 1, 08:45 UTC1h 0m
2026-06-01 CTV913 KNO → CGK Jun 1, 04:40 UTCJun 1, 06:40 UTC2h 0m
2026-06-01 CTV912 CGK → KNO Jun 1, 01:20 UTCJun 1, 03:05 UTC1h 45m
2026-05-31 CTV987 PLM → CGK May 31, 23:55 UTCJun 1, 00:05 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-GLZ page for operator, model, and routing details .

Mode-S 8A04A4 frequently asked

What is Mode-S code 8A04A4?
8A04A4 is an ICAO 24-bit transponder address. Allocated to Indonesia. Assigned to PK-GLZ.
Where is Mode-S 8A04A4 registered?
Mode-S code 8A04A4 is allocated to Indonesia (ID). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 8A04A4 broadcasting right now?
No active broadcast right now. Last signal was 2h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 8A04A4, octal 42402244, decimal 9,045,156.
What flights does 8A04A4 operate?
Mode-S 8A04A4 has broadcast 20 distinct callsigns, including CTV975, CTV913, CTV974, CTV967, CTV912.