Apparatus

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sensors Mode-S transponder

452180

ICAO 24-bit transponder address · allocated to Bulgaria

Currently assigned to LZ-CJB · BOEING 747-400

Hex
452180
Octal
21220600
Decimal
4,530,560
Country
BG
Tail
LZ-CJB
Type
B744
Broadcasting now · callsign UAE9799 · 32,000 ft
Flights observed
343
Distinct callsigns
20
Country
BG
Last broadcast
1h ago

Current position

452180 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 452180 falls within the block assigned to Bulgaria (BG) by ICAO Annex 10, Volume III. Every aircraft registered in Bulgaria 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
UAE9781 - 24 2026-07-13
UAE9780 - 18 2026-07-12
UAE9838 - 16 2026-06-21
UAE9903 Emirates 15 2026-05-21
UAE9840 - 15 2026-06-24
UAE9839 - 15 2026-06-22
UAE9859 - 14 2026-06-29
UAE9841 - 14 2026-06-25
UAE9837 - 12 2026-07-02
UAE9797 - 12 2026-07-06
UAE9791 - 12 2026-06-26
UAE9990 Emirates 11 2026-04-21
UAE9858 - 10 2026-06-28
UAE9844 - 10 2026-06-28
UAE9989 Emirates 8 2026-04-20
UAE9790 - 8 2026-06-26
UAE9847 Emirates 7 2026-05-12
UAE9846 Emirates 7 2026-05-11
UAE9845 - 7 2026-06-28
UAE9836 - 7 2026-07-02

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 UAE9799 - Jul 14, 08:15 UTCJul 14, 10:00 UTC1h 45m
2026-07-14 UAE9798 - Jul 14, 04:50 UTCJul 14, 05:15 UTC25m
2026-07-13 UAE9798 - Jul 13, 21:35 UTCJul 14, 03:05 UTC5h 30m
2026-07-13 UAE9781 - Jul 13, 05:45 UTCJul 13, 06:10 UTC25m
2026-07-13 UAE9781 - Jul 13, 01:05 UTCJul 13, 04:50 UTC3h 45m
2026-07-12 UAE9781 - Jul 12, 23:25 UTCJul 12, 23:35 UTC10m
2026-07-12 UAE9780 - Jul 12, 20:10 UTCJul 12, 20:35 UTC25m
2026-07-12 UAE9780 - Jul 12, 12:55 UTCJul 12, 18:30 UTC5h 35m
2026-07-12 UAE9789 - Jul 12, 02:30 UTCJul 12, 07:31 UTC5h 0m
2026-07-12 UAE9789 - Jul 12, 00:45 UTCJul 12, 01:00 UTC15m
2026-07-11 UAE9788 - Jul 11, 20:20 UTCJul 11, 21:00 UTC40m
2026-07-11 UAE9788 - Jul 11, 13:05 UTCJul 11, 18:35 UTC5h 30m
2026-07-11 UAE9413 - Jul 11, 09:35 UTCJul 11, 10:00 UTC25m
2026-07-11 UAE9413 - Jul 11, 04:55 UTCJul 11, 06:50 UTC1h 55m
2026-07-11 UAE9413 - Jul 11, 03:10 UTCJul 11, 03:25 UTC15m
2026-07-11 UAE9412 - Jul 11, 00:25 UTCJul 11, 00:55 UTC30m
2026-07-10 UAE9412 - Jul 10, 17:00 UTCJul 10, 22:35 UTC5h 35m
2026-07-10 UAE9843 - Jul 10, 09:10 UTCJul 10, 09:30 UTC20m
2026-07-10 UAE9843 - Jul 10, 04:25 UTCJul 10, 08:10 UTC3h 45m
2026-07-10 UAE9843 - Jul 10, 02:40 UTCJul 10, 02:55 UTC15m
2026-07-09 UAE9842 - Jul 9, 16:10 UTCJul 9, 21:45 UTC5h 35m
2026-07-09 UAE9781 - Jul 9, 06:30 UTCJul 9, 07:00 UTC30m
2026-07-09 UAE9781 - Jul 9, 01:50 UTCJul 9, 05:30 UTC3h 40m
2026-07-09 UAE9781 - Jul 9, 00:05 UTCJul 9, 00:20 UTC15m
2026-07-08 UAE9780 - Jul 8, 20:15 UTCJul 8, 21:05 UTC50m
2026-07-08 UAE9780 - Jul 8, 13:10 UTCJul 8, 18:40 UTC5h 30m
2026-07-07 UAE9747 - Jul 7, 18:55 UTCJul 8, 00:00 UTC5h 5m
2026-07-07 UAE9799 - Jul 7, 09:55 UTCJul 7, 16:10 UTC6h 15m
2026-07-07 UAE9799 - Jul 7, 09:10 UTCJul 7, 09:25 UTC15m
2026-07-07 UAE9798 - Jul 7, 05:40 UTCJul 7, 06:10 UTC30m
2026-07-06 UAE9798 - Jul 6, 22:40 UTCJul 7, 03:55 UTC5h 15m
2026-07-06 AIZ1162 - Jul 6, 21:45 UTCJul 6, 22:15 UTC30m
2026-07-06 AIZ224 SKG → TLV Jul 6, 10:30 UTCJul 6, 17:25 UTC6h 55m
2026-07-06 AIZ212 ATH → TLV Jul 6, 08:55 UTCJul 6, 10:25 UTC1h 30m
2026-07-06 UAE9797 - Jul 6, 00:05 UTCJul 6, 06:20 UTC6h 15m
2026-07-05 UAE9797 - Jul 5, 23:20 UTCJul 5, 23:25 UTC5m
2026-07-05 UAE9796 - Jul 5, 14:20 UTCJul 5, 20:20 UTC6h 0m
2026-07-05 UAE9796 - Jul 5, 13:00 UTCJul 5, 13:25 UTC25m
2026-07-05 AIZ335 - Jul 5, 05:20 UTCJul 5, 08:25 UTC3h 5m
2026-07-04 UAE9388 MXP → TLV Jul 4, 22:25 UTCJul 5, 05:00 UTC6h 35m
2026-07-04 UAE9388 BUD → MXP Jul 4, 17:45 UTCJul 4, 19:00 UTC1h 15m
2026-07-04 UAE9387 - Jul 4, 10:20 UTCJul 4, 15:45 UTC5h 25m
2026-07-04 UAE9789 - Jul 4, 02:30 UTCJul 4, 10:15 UTC7h 45m
2026-07-04 UAE9789 - Jul 4, 00:30 UTCJul 4, 00:45 UTC15m
2026-07-03 UAE9788 DWC → HKG Jul 3, 20:50 UTCJul 3, 21:10 UTC20m
2026-07-03 UAE9788 DWC → HKG Jul 3, 13:55 UTCJul 3, 20:05 UTC6h 10m
2026-07-03 UAE9843 - Jul 3, 10:05 UTCJul 3, 10:30 UTC25m
2026-07-03 UAE9843 - Jul 3, 04:30 UTCJul 3, 07:15 UTC2h 45m
2026-07-03 UAE9843 - Jul 3, 03:35 UTCJul 3, 03:50 UTC15m
2026-07-02 UAE9842 - Jul 2, 23:20 UTCJul 2, 23:40 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 LZ-CJB page for operator, model, and routing details .

Mode-S 452180 frequently asked

What is Mode-S code 452180?
452180 is an ICAO 24-bit transponder address. Allocated to Bulgaria. Assigned to LZ-CJB.
Where is Mode-S 452180 registered?
Mode-S code 452180 is allocated to Bulgaria (BG). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 452180 broadcasting right now?
Yes. Mode-S 452180 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 452180, octal 21220600, decimal 4,530,560.
What flights does 452180 operate?
Mode-S 452180 has broadcast 20 distinct callsigns, including UAE9781, UAE9780, UAE9838, UAE9903, UAE9840.