Apparatus

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sensors Mode-S transponder

8A040B

ICAO 24-bit transponder address · allocated to Indonesia

Currently assigned to PK-GNC · BOEING 737-800

Hex
8A040B
Octal
42402013
Decimal
9,045,003
Country
ID
Tail
PK-GNC
Type
B738
Broadcasting now · 12,175 ft
Flights observed
165
Distinct callsigns
20
Country
ID
Last broadcast
12h ago

Current position

8A040B is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 8A040B 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
GIA179 Garuda Indonesia 8 2026-05-15
GIA509 Garuda Indonesia 5 2026-05-26
GIA176 Garuda Indonesia 5 2026-05-15
GIA644 Garuda Indonesia 4 2026-05-26
GIA320 Garuda Indonesia 4 2026-05-28
GIA165 Garuda Indonesia 4 2026-05-22
GIA567 Garuda Indonesia 3 2026-05-23
GIA564 Garuda Indonesia 3 2026-05-23
GIA404 Garuda Indonesia 3 2026-05-15
GIA325 Garuda Indonesia 3 2026-04-30
GIA242 Garuda Indonesia 3 2026-05-20
GIA222 Garuda Indonesia 3 2026-05-20
GIA838 Garuda Indonesia 2 2026-04-25
GIA836 Garuda Indonesia 2 2026-05-24
GIA832 Garuda Indonesia 2 2026-04-25
GIA825 Garuda Indonesia 2 2026-04-25
GIA653 Garuda Indonesia 2 2026-05-06
GIA652 Garuda Indonesia 2 2026-05-05
GIA645 Garuda Indonesia 2 2026-05-27
GIA622 Garuda Indonesia 2 2026-05-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 GIA530 CGK → BDJ May 29, 23:40 UTCMay 29, 23:50 UTC10m
2026-05-29 GIA422 CGK → DPS May 29, 06:45 UTCMay 29, 11:30 UTC4h 45m
2026-05-29 GIA610 CGK → UPG May 29, 00:10 UTCMay 29, 00:35 UTC25m
2026-05-28 GIA320 CGK → SUB May 28, 09:15 UTCMay 28, 13:20 UTC4h 5m
2026-05-28 GIA187 KNO → CGK May 28, 02:40 UTCMay 28, 07:25 UTC4h 45m
2026-05-27 GIA183 KNO → CGK May 27, 23:15 UTCMay 28, 00:20 UTC1h 5m
2026-05-27 GIA196 CGK → KNO May 27, 12:20 UTCMay 27, 14:00 UTC1h 40m
2026-05-27 GIA537 BDJ → CGK May 27, 10:10 UTCMay 27, 10:25 UTC15m
2026-05-27 GIA645 GTO → CGK May 27, 04:09 UTCMay 27, 04:24 UTC15m
2026-05-26 GIA644 CGK → GTO May 26, 22:05 UTCMay 26, 22:15 UTC10m
2026-05-26 GIA509 PNK → CGK May 26, 11:30 UTCMay 26, 11:44 UTC15m
2026-05-26 GIA504 CGK → PNK May 26, 08:19 UTCMay 26, 08:30 UTC10m
2026-05-26 GIA402 CGK → DPS May 26, 00:14 UTCMay 26, 00:54 UTC40m
2026-05-25 GIA320 CGK → SUB May 25, 09:15 UTCMay 25, 13:20 UTC4h 5m
2026-05-24 GIA837 SIN → CGK May 24, 12:20 UTCMay 24, 12:50 UTC30m
2026-05-24 GIA836 CGK → SIN May 24, 10:50 UTCMay 24, 11:00 UTC10m
2026-05-24 GIA836 CGK → SIN May 24, 09:05 UTCMay 24, 10:05 UTC1h 0m
2026-05-24 GIA1274 DJB → CGK May 24, 07:05 UTCMay 24, 07:35 UTC30m
2026-05-24 GIA1274 DJB → CGK May 24, 06:15 UTCMay 24, 06:25 UTC10m
2026-05-24 GIA1264 CGK → DJB May 24, 04:10 UTCMay 24, 05:05 UTC55m
2026-05-23 GIA622 CGK → PLW May 23, 19:35 UTCMay 23, 20:00 UTC25m
2026-05-23 GIA509 PNK → CGK May 23, 11:30 UTCMay 23, 11:45 UTC15m
2026-05-23 GIA567 BPN → CGK May 23, 06:10 UTCMay 23, 06:35 UTC25m
2026-05-23 GIA564 CGK → BPN May 23, 01:45 UTCMay 23, 01:55 UTC10m
2026-05-22 GIA165 PDG → CGK May 22, 12:10 UTCMay 22, 12:20 UTC10m
2026-05-22 GIA165 PDG → CGK May 22, 09:15 UTCMay 22, 11:35 UTC2h 20m
2026-05-22 GIA162 CGK → PDG May 22, 08:25 UTCMay 22, 08:35 UTC10m
2026-05-22 GIA564 CGK → BPN May 22, 01:50 UTCMay 22, 02:00 UTC10m
2026-05-21 GIA221 SOC → CGK May 21, 09:25 UTCMay 21, 10:20 UTC55m
2026-05-21 GIA228 CGK → SOC May 21, 07:20 UTCMay 21, 07:40 UTC20m
2026-05-21 GIA127 DJB → CGK May 21, 04:30 UTCMay 21, 05:35 UTC1h 5m
2026-05-21 GIA126 CGK → DJB May 21, 02:20 UTCMay 21, 03:15 UTC55m
2026-05-21 GIA231 SRG → CGK May 21, 00:35 UTCMay 21, 01:00 UTC25m
2026-05-20 GIA246 CGK → SRG May 20, 10:40 UTCMay 20, 11:05 UTC25m
2026-05-20 GIA245 SRG → CGK May 20, 08:50 UTCMay 20, 09:20 UTC30m
2026-05-20 GIA242 CGK → SRG May 20, 06:35 UTCMay 20, 07:05 UTC30m
2026-05-20 GIA225 SOC → CGK May 20, 04:45 UTCMay 20, 05:10 UTC25m
2026-05-20 GIA222 CGK → SOC May 20, 02:20 UTCMay 20, 03:05 UTC45m
2026-05-20 GIA401 DPS → CGK May 20, 00:35 UTCMay 20, 00:50 UTC15m
2026-05-19 GIA426 CGK → DPS May 19, 12:05 UTCMay 19, 12:25 UTC20m
2026-05-19 GIA647 AMQ → CGK May 19, 03:20 UTCMay 19, 10:40 UTC7h 20m
2026-05-19 GIA551 - May 19, 01:30 UTCMay 19, 01:45 UTC15m
2026-05-18 GIA567 BPN → CGK May 18, 06:20 UTCMay 18, 06:35 UTC15m
2026-05-18 GIA564 CGK → BPN May 18, 01:45 UTCMay 18, 01:55 UTC10m
2026-05-18 GIA101 PLM → CGK May 18, 00:15 UTCMay 18, 00:25 UTC10m
2026-05-17 GIA112 CGK → PLM May 17, 12:01 UTCMay 17, 12:15 UTC15m
2026-05-17 GIA532 CGK → BDJ May 17, 06:35 UTCMay 17, 06:45 UTC10m
2026-05-16 GIA644 CGK → GTO May 16, 22:25 UTCMay 16, 22:40 UTC15m
2026-05-16 GIA612 CGK → UPG May 16, 08:55 UTCMay 16, 14:11 UTC5h 15m
2026-05-15 GIA404 CGK → DPS May 15, 19:50 UTCMay 16, 07:25 UTC11h 36m

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-GNC page for operator, model, and routing details .

Mode-S 8A040B frequently asked

What is Mode-S code 8A040B?
8A040B is an ICAO 24-bit transponder address. Allocated to Indonesia. Assigned to PK-GNC.
Where is Mode-S 8A040B registered?
Mode-S code 8A040B is allocated to Indonesia (ID). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 8A040B broadcasting right now?
Yes. Mode-S 8A040B is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 8A040B, octal 42402013, decimal 9,045,003.
What flights does 8A040B operate?
Mode-S 8A040B has broadcast 20 distinct callsigns, including GIA179, GIA509, GIA176, GIA644, GIA320.