Apparatus

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sensors Mode-S transponder

8A074B

ICAO 24-bit transponder address · allocated to Indonesia

Currently assigned to PK-GTG · AIRBUS A-320neo

Hex
8A074B
Octal
42403513
Decimal
9,045,835
Country
ID
Tail
PK-GTG
Type
A20N
Broadcasting now · callsign CTV414 · 13,300 ft
Flights observed
295
Distinct callsigns
20
Country
ID
Last broadcast
Jul 25, 12:30 UTC

Current position

8A074B is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 8A074B 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
CTV883 - 11 2026-07-07
CTV736 - 8 2026-07-08
CTV330 Escuela De Pilotos Are Aviacion 8 2026-07-23
CTV910 Escuela De Pilotos Are Aviacion 7 2026-07-04
CTV662 Escuela De Pilotos Are Aviacion 7 2026-06-02
CTV961 Escuela De Pilotos Are Aviacion 6 2026-07-19
CTV954 - 6 2026-06-16
CTV919 - 6 2026-07-05
CTV688 - 6 2026-07-04
CTV527 Escuela De Pilotos Are Aviacion 6 2026-07-24
CTV212 Escuela De Pilotos Are Aviacion 6 2026-07-02
CTV960 - 5 2026-07-19
CTV778 - 5 2026-06-30
CTV526 Escuela De Pilotos Are Aviacion 5 2026-07-24
CTV503 - 5 2026-07-07
CTV502 - 5 2026-07-07
CTV491 - 5 2026-06-30
CTV300 Escuela De Pilotos Are Aviacion 5 2026-05-07
CTV959 - 4 2026-07-12
CTV958 - 4 2026-07-15

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 CTV726 CGK → SUB Jul 25, 12:10 UTCJul 25, 12:30 UTC20m
2026-07-25 CTV969 BTH → CGK Jul 25, 10:55 UTCJul 25, 11:10 UTC15m
2026-07-25 CTV969 BTH → CGK Jul 25, 09:55 UTCJul 25, 10:10 UTC15m
2026-07-25 CTV968 CGK → BTH Jul 25, 07:30 UTCJul 25, 08:30 UTC1h 0m
2026-07-25 CTV753 MLG → CGK Jul 25, 06:00 UTCJul 25, 06:10 UTC10m
2026-07-25 CTV752 CGK → MLG Jul 25, 02:50 UTCJul 25, 03:15 UTC25m
2026-07-24 CTV980 CGK → PLM Jul 24, 23:10 UTCJul 24, 23:20 UTC10m
2026-07-24 CTV527 SIN → CGK Jul 24, 14:30 UTCJul 24, 14:40 UTC10m
2026-07-24 CTV527 SIN → CGK Jul 24, 13:20 UTCJul 24, 13:50 UTC30m
2026-07-24 CTV526 CGK → SIN Jul 24, 11:00 UTCJul 24, 11:50 UTC50m
2026-07-24 CTV331 KDI → CGK Jul 24, 02:25 UTCJul 24, 02:35 UTC10m
2026-07-23 CTV330 CGK → KDI Jul 23, 20:55 UTCJul 23, 21:15 UTC20m
2026-07-23 CTV983 PLM → CGK Jul 23, 13:45 UTCJul 23, 14:00 UTC15m
2026-07-23 CTV982 CGK → PLM Jul 23, 10:35 UTCJul 23, 10:50 UTC15m
2026-07-23 CTV916 CGK → KNO Jul 23, 04:35 UTCJul 23, 08:20 UTC3h 45m
2026-07-22 CTV953 PDG → CGK Jul 22, 23:15 UTCJul 23, 02:25 UTC3h 10m
2026-07-22 CTV481 BDJ → CGK Jul 22, 14:50 UTCJul 22, 15:00 UTC10m
2026-07-22 CTV492 - Jul 22, 11:20 UTCJul 22, 11:30 UTC10m
2026-07-21 CTV8330 - Jul 21, 22:30 UTCJul 21, 22:50 UTC20m
2026-07-21 CTV887 - Jul 21, 09:05 UTCJul 21, 13:20 UTC4h 15m
2026-07-21 CTV419 PNK → CGK Jul 21, 07:50 UTCJul 21, 08:00 UTC10m
2026-07-20 CTV738 - Jul 20, 23:30 UTCJul 20, 23:55 UTC24m
2026-07-20 CTV965 - Jul 20, 11:35 UTCJul 20, 11:45 UTC10m
2026-07-20 CTV965 - Jul 20, 10:40 UTCJul 20, 11:00 UTC20m
2026-07-20 CTV964 CGK → DJB Jul 20, 08:45 UTCJul 20, 09:40 UTC55m
2026-07-20 CTV9799 SRG → CGK Jul 20, 07:10 UTCJul 20, 07:20 UTC10m
2026-07-20 CTV9798 CGK → SUB Jul 20, 04:45 UTCJul 20, 05:10 UTC25m
2026-07-20 CTV841 BTH → CGK Jul 20, 03:30 UTCJul 20, 03:45 UTC15m
2026-07-20 CTV841 BTH → CGK Jul 20, 02:30 UTCJul 20, 02:50 UTC20m
2026-07-19 CTV840 CGK → BTH Jul 19, 23:55 UTCJul 20, 01:00 UTC1h 5m
2026-07-19 CTV993 TKG → CGK Jul 19, 10:40 UTCJul 19, 10:55 UTC15m
2026-07-19 CTV992 CGK → TKG Jul 19, 09:00 UTCJul 19, 09:15 UTC15m
2026-07-19 CTV943 - Jul 19, 06:45 UTCJul 19, 07:10 UTC25m
2026-07-19 CTV942 CGK → BTH Jul 19, 04:10 UTCJul 19, 05:10 UTC1h 0m
2026-07-19 CTV961 DJB → CGK Jul 19, 03:00 UTCJul 19, 03:10 UTC10m
2026-07-19 CTV961 DJB → CGK Jul 19, 02:10 UTCJul 19, 02:25 UTC15m
2026-07-19 CTV960 - Jul 19, 00:15 UTCJul 19, 01:10 UTC55m
2026-07-18 CTV646 - Jul 18, 07:05 UTCJul 18, 07:25 UTC20m
2026-07-18 CTV447 - Jul 18, 05:45 UTCJul 18, 05:55 UTC10m
2026-07-17 CTV439 BPN → CGK Jul 17, 23:50 UTCJul 18, 00:00 UTC10m
2026-07-17 CTV447 - Jul 17, 05:35 UTCJul 17, 05:45 UTC10m
2026-07-16 CTV439 BPN → CGK Jul 16, 23:44 UTCJul 16, 23:59 UTC15m
2026-07-16 CTV913 - Jul 16, 01:20 UTCJul 16, 05:25 UTC4h 5m
2026-07-16 CTV987 - Jul 16, 00:00 UTCJul 16, 00:10 UTC10m
2026-07-15 CTV986 - Jul 15, 13:25 UTCJul 15, 13:40 UTC15m
2026-07-15 CTV958 - Jul 15, 07:55 UTCJul 15, 08:10 UTC15m
2026-07-15 CTV971 - Jul 15, 06:35 UTCJul 15, 06:45 UTC10m
2026-07-14 CTV527 - Jul 14, 13:20 UTCJul 14, 13:50 UTC30m
2026-07-14 CTV526 - Jul 14, 10:20 UTCJul 14, 11:20 UTC1h 0m
2026-07-14 CTV423 - Jul 14, 09:00 UTCJul 14, 09:10 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-GTG page for operator, model, and routing details .

Mode-S 8A074B frequently asked

What is Mode-S code 8A074B?
8A074B is an ICAO 24-bit transponder address. Allocated to Indonesia. Assigned to PK-GTG.
Where is Mode-S 8A074B registered?
Mode-S code 8A074B is allocated to Indonesia (ID). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 8A074B broadcasting right now?
Yes. Mode-S 8A074B is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 8A074B, octal 42403513, decimal 9,045,835.
What flights does 8A074B operate?
Mode-S 8A074B has broadcast 20 distinct callsigns, including CTV883, CTV736, CTV330, CTV910, CTV662.