Apparatus

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sensors Mode-S transponder

8A0A13

ICAO 24-bit transponder address · allocated to Indonesia

Currently assigned to PK-BBG · BOEING 737-800

Hex
8A0A13
Octal
42405023
Decimal
9,046,547
Country
ID
Tail
PK-BBG
Type
B738
No current signal · last broadcast Jul 26, 19:10 UTC
Flights observed
266
Distinct callsigns
20
Country
ID
Last broadcast
Jul 26, 19:10 UTC

Last known position

Most recent position reported by Mode-S 8A0A13.

Country allocation

The ICAO 24-bit address 8A0A13 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
UBG321 US-Bangla Airlines 113 2026-07-26
UBG322 US-Bangla Airlines 51 2026-07-26
UBG308 - 13 2026-06-24
UBG307 - 12 2026-06-24
UBG338 - 9 2026-07-15
UBG337 - 8 2026-07-01
UBG205 - 8 2026-07-02
UBG218 US-Bangla Airlines 7 2026-07-22
UBG146 US-Bangla Airlines 7 2026-07-26
UBG145 US-Bangla Airlines 7 2026-07-26
UBG217 - 6 2026-07-11
UBG206 - 5 2026-07-09
UBG310 US-Bangla Airlines 4 2026-04-24
UBG309 US-Bangla Airlines 4 2026-04-24
UBG342 - 2 2026-06-28
UBG318 US-Bangla Airlines 2 2026-05-25
UBG317 US-Bangla Airlines 2 2026-05-25
UBG315 US-Bangla Airlines 2 2026-04-29
PKBBG - 2 2026-05-19
UGB321 - 1 2026-07-05

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 UBG321 CGP → MCT Jul 26, 16:15 UTCJul 26, 19:10 UTC2h 55m
2026-07-26 UBG321 CGP → MCT Jul 26, 14:40 UTCJul 26, 14:55 UTC15m
2026-07-26 UBG146 CXB → DAC Jul 26, 08:35 UTCJul 26, 09:05 UTC30m
2026-07-26 UBG145 DAC → CXB Jul 26, 06:20 UTCJul 26, 06:45 UTC26m
2026-07-26 UBG322 MCT → CGP Jul 26, 04:10 UTCJul 26, 04:40 UTC30m
2026-07-25 UBG321 CGP → MCT Jul 25, 16:25 UTCJul 26, 02:35 UTC10h 10m
2026-07-25 UBG146 CXB → DAC Jul 25, 06:50 UTCJul 25, 07:30 UTC40m
2026-07-25 UBG145 DAC → CXB Jul 25, 04:55 UTCJul 25, 05:25 UTC30m
2026-07-24 UBG321 CGP → MCT Jul 24, 16:15 UTCJul 25, 02:25 UTC10h 10m
2026-07-24 UBG321 CGP → MCT Jul 24, 14:35 UTCJul 24, 14:50 UTC15m
2026-07-24 UBG322 MCT → CGP Jul 24, 04:45 UTCJul 24, 05:15 UTC30m
2026-07-23 UBG321 CGP → MCT Jul 23, 16:30 UTCJul 24, 02:45 UTC10h 15m
2026-07-22 UBG321 CGP → MCT Jul 22, 19:40 UTCJul 23, 05:40 UTC10h 0m
2026-07-22 UBG321 CGP → MCT Jul 22, 17:45 UTCJul 22, 18:00 UTC15m
2026-07-22 UBG218 BKK → DAC Jul 22, 11:50 UTCJul 22, 13:55 UTC2h 5m
2026-07-22 UBG322 MCT → CGP Jul 22, 04:55 UTCJul 22, 05:25 UTC30m
2026-07-21 UBG321 - Jul 21, 16:35 UTCJul 22, 03:25 UTC10h 50m
2026-07-21 UBG146 CXB → DAC Jul 21, 07:10 UTCJul 21, 08:00 UTC50m
2026-07-21 UBG145 DAC → CXB Jul 21, 05:15 UTCJul 21, 05:50 UTC35m
2026-07-20 UBG321 - Jul 20, 16:25 UTCJul 21, 02:35 UTC10h 9m
2026-07-19 UBG322 MCT → CGP Jul 19, 16:35 UTCJul 20, 04:25 UTC11h 50m
2026-07-19 UBG321 - Jul 19, 14:40 UTCJul 19, 14:55 UTC15m
2026-07-19 UBG322 MCT → CGP Jul 19, 04:00 UTCJul 19, 04:35 UTC35m
2026-07-18 UBG321 - Jul 18, 16:35 UTCJul 19, 02:30 UTC9h 55m
2026-07-18 UBG146 - Jul 18, 06:45 UTCJul 18, 07:25 UTC40m
2026-07-18 UBG145 - Jul 18, 04:45 UTCJul 18, 05:10 UTC25m
2026-07-17 UBG322 MCT → CGP Jul 17, 16:19 UTCJul 18, 02:40 UTC10h 20m
2026-07-17 UBG321 - Jul 17, 14:44 UTCJul 17, 15:00 UTC15m
2026-07-17 UBG322 MCT → CGP Jul 17, 04:04 UTCJul 17, 04:39 UTC35m
2026-07-16 UBG321 - Jul 16, 16:40 UTCJul 17, 02:39 UTC10h 0m
2026-07-15 UBG321 - Jul 15, 18:25 UTCJul 16, 04:30 UTC10h 5m
2026-07-15 UBG321 - Jul 15, 16:50 UTCJul 15, 17:05 UTC15m
2026-07-15 UBG338 - Jul 15, 06:30 UTCJul 15, 15:10 UTC8h 40m
2026-07-15 UBG322 - Jul 15, 04:10 UTCJul 15, 04:45 UTC35m
2026-07-14 UBG322 - Jul 14, 16:40 UTCJul 15, 02:50 UTC10h 9m
2026-07-14 UBG146 - Jul 14, 06:35 UTCJul 14, 07:15 UTC40m
2026-07-14 UBG145 - Jul 14, 04:55 UTCJul 14, 05:25 UTC30m
2026-07-13 UBG321 CGP → MCT Jul 13, 16:15 UTCJul 14, 02:50 UTC10h 35m
2026-07-13 UBG146 - Jul 13, 07:10 UTCJul 13, 07:50 UTC40m
2026-07-13 UBG145 - Jul 13, 05:25 UTCJul 13, 05:45 UTC20m
2026-07-12 UBG321 CGP → MCT Jul 12, 16:20 UTCJul 13, 02:35 UTC10h 15m
2026-07-12 UBG321 CGP → MCT Jul 12, 14:40 UTCJul 12, 15:01 UTC20m
2026-07-12 UBG146 - Jul 12, 09:45 UTCJul 12, 10:30 UTC45m
2026-07-12 UBG145 - Jul 12, 07:45 UTCJul 12, 08:10 UTC25m
2026-07-12 UBG322 - Jul 12, 04:55 UTCJul 12, 06:01 UTC1h 5m
2026-07-11 UBG322 - Jul 11, 16:20 UTCJul 12, 02:45 UTC10h 25m
2026-07-11 UBG218 - Jul 11, 08:30 UTCJul 11, 10:40 UTC2h 10m
2026-07-11 UBG217 - Jul 11, 04:45 UTCJul 11, 07:00 UTC2h 15m
2026-07-10 UBG321 CGP → MCT Jul 10, 16:20 UTCJul 11, 02:50 UTC10h 30m
2026-07-10 UBG321 CGP → MCT Jul 10, 14:45 UTCJul 10, 15:05 UTC20m

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

Mode-S 8A0A13 frequently asked

What is Mode-S code 8A0A13?
8A0A13 is an ICAO 24-bit transponder address. Allocated to Indonesia. Assigned to PK-BBG.
Where is Mode-S 8A0A13 registered?
Mode-S code 8A0A13 is allocated to Indonesia (ID). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 8A0A13 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 19:10 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 8A0A13, octal 42405023, decimal 9,046,547.
What flights does 8A0A13 operate?
Mode-S 8A0A13 has broadcast 20 distinct callsigns, including UBG321, UBG322, UBG308, UBG307, UBG338.