Apparatus

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sensors Mode-S transponder

452169

ICAO 24-bit transponder address · allocated to Bulgaria

Currently assigned to LZ-EAJ · AIRBUS A-320

Hex
452169
Octal
21220551
Decimal
4,530,537
Country
BG
Tail
LZ-EAJ
Type
A320
No current signal · last broadcast Jul 26, 20:35 UTC
Flights observed
255
Distinct callsigns
20
Country
BG
Last broadcast
Jul 26, 20:35 UTC

Last known position

Most recent position reported by Mode-S 452169.

Country allocation

The ICAO 24-bit address 452169 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
MSC2950 Air Cairo 38 2026-07-21
MSC2970 Air Cairo 31 2026-07-25
MSC2971 Air Cairo 29 2026-07-25
MSC2960 Air Cairo 18 2026-07-22
MSC2951 Air Cairo 18 2026-07-21
MSC2943 - 18 2026-07-11
MSC3605 - 17 2026-07-23
MSC2942 - 14 2026-07-09
MSC3609 Air Cairo 12 2026-07-26
MSC3606 - 11 2026-07-23
MSC3610 Air Cairo 9 2026-07-26
MSC2966 Air Cairo 8 2026-07-24
MSC2961 Air Cairo 8 2026-07-22
MSC2967 - 5 2026-07-11
MSC3601 - 4 2026-05-28
MSC2920 - 3 2026-06-28
MSC3614 - 2 2026-06-04
MSC3613 - 2 2026-06-03
MSC3611 - 2 2026-05-31
MSC3602 - 2 2026-05-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 MSC3610 KTW → HRG Jul 26, 17:25 UTCJul 26, 20:35 UTC3h 10m
2026-07-26 MSC3609 HRG → KTW Jul 26, 12:45 UTCJul 26, 16:05 UTC3h 20m
2026-07-25 MSC2971 HAM → HRG Jul 25, 14:20 UTCJul 26, 14:15 UTC23h 56m
2026-07-25 MSC2971 HAM → HRG Jul 25, 13:10 UTCJul 25, 16:40 UTC3h 30m
2026-07-25 MSC2970 HRG → HAM Jul 25, 00:30 UTCJul 25, 11:30 UTC11h 0m
2026-07-24 MSC2966 HRG → NUE Jul 24, 13:00 UTCJul 24, 23:05 UTC10h 5m
2026-07-23 MSC3610 KTW → HRG Jul 23, 18:25 UTCJul 24, 11:15 UTC16h 50m
2026-07-23 MSC3609 HRG → KTW Jul 23, 13:45 UTCJul 23, 17:10 UTC3h 25m
2026-07-23 MSC3606 - Jul 23, 08:00 UTCJul 23, 11:30 UTC3h 30m
2026-07-23 MSC3605 - Jul 23, 02:55 UTCJul 23, 06:35 UTC3h 40m
2026-07-22 MSC2961 BER → HRG Jul 22, 13:50 UTCJul 22, 17:35 UTC3h 45m
2026-07-22 MSC2960 HRG → BER Jul 22, 10:20 UTCJul 22, 12:30 UTC2h 10m
2026-07-21 MSC2960 HRG → BER Jul 21, 16:20 UTCJul 22, 12:30 UTC20h 10m
2026-07-21 MSC2951 STR → HRG Jul 21, 15:05 UTCJul 22, 12:30 UTC21h 25m
2026-07-21 MSC2950 HRG → STR Jul 21, 10:05 UTCJul 21, 13:45 UTC3h 40m
2026-07-20 MSC2950 HRG → STR Jul 20, 16:20 UTCJul 21, 13:45 UTC21h 24m
2026-07-20 MSC2971 HAM → HRG Jul 20, 13:35 UTCJul 21, 12:15 UTC22h 39m
2026-07-19 MSC2970 HRG → HAM Jul 19, 18:20 UTCJul 20, 12:20 UTC18h 0m
2026-07-19 MSC2970 HRG → HAM Jul 19, 17:40 UTCJul 20, 12:20 UTC18h 40m
2026-07-19 MSC3609 - Jul 19, 13:00 UTCJul 19, 16:25 UTC3h 25m
2026-07-18 MSC3609 - Jul 18, 16:20 UTCJul 19, 16:15 UTC23h 55m
2026-07-18 MSC2971 HAM → HRG Jul 18, 14:20 UTCJul 19, 14:15 UTC23h 55m
2026-07-18 MSC2971 HAM → HRG Jul 18, 13:25 UTCJul 18, 17:05 UTC3h 40m
2026-07-18 MSC2970 NUE → HAM Jul 18, 00:04 UTCJul 18, 11:35 UTC11h 31m
2026-07-17 MSC2966 FRA → NUE Jul 17, 12:50 UTCJul 17, 22:20 UTC9h 30m
2026-07-16 MSC3610 - Jul 16, 18:19 UTCJul 17, 10:55 UTC16h 35m
2026-07-16 MSC3609 - Jul 16, 07:55 UTCJul 16, 17:10 UTC9h 15m
2026-07-16 MSC3605 - Jul 16, 02:45 UTCJul 16, 06:35 UTC3h 50m
2026-07-15 MSC2961 - Jul 15, 13:30 UTCJul 15, 17:20 UTC3h 50m
2026-07-14 MSC2960 - Jul 14, 18:20 UTCJul 15, 12:20 UTC17h 59m
2026-07-14 MSC2960 - Jul 14, 16:20 UTCJul 15, 12:20 UTC19h 59m
2026-07-14 MSC2951 STR → BER Jul 14, 16:05 UTCJul 15, 12:20 UTC20h 14m
2026-07-14 MSC2950 - Jul 14, 11:05 UTCJul 14, 14:15 UTC3h 10m
2026-07-13 MSC2971 - Jul 13, 16:20 UTCJul 14, 11:00 UTC18h 40m
2026-07-13 MSC2971 - Jul 13, 14:20 UTCJul 14, 11:00 UTC20h 40m
2026-07-13 MSC2971 - Jul 13, 13:35 UTCJul 14, 11:00 UTC21h 25m
2026-07-12 MSC2970 - Jul 12, 16:20 UTCJul 13, 11:55 UTC19h 35m
2026-07-12 MSC2970 - Jul 12, 14:20 UTCJul 13, 11:55 UTC21h 35m
2026-07-12 MSC2970 FRA → HAM Jul 12, 13:01 UTCJul 13, 11:55 UTC22h 55m
2026-07-11 MSC2967 NUE → FRA Jul 11, 23:45 UTCJul 12, 10:50 UTC11h 5m
2026-07-11 MSC2943 FRA → NUE Jul 11, 12:35 UTCJul 11, 22:25 UTC9h 50m
2026-07-10 MSC2967 NUE → FRA Jul 10, 23:50 UTCJul 11, 10:50 UTC11h 0m
2026-07-10 MSC2966 - Jul 10, 18:50 UTCJul 10, 22:35 UTC3h 45m
2026-07-10 MSC2943 - Jul 10, 12:50 UTCJul 10, 16:40 UTC3h 50m
2026-07-09 MSC2942 - Jul 9, 18:25 UTCJul 10, 11:10 UTC16h 45m
2026-07-09 MSC3606 - Jul 9, 07:55 UTCJul 9, 17:10 UTC9h 15m
2026-07-08 MSC2961 - Jul 8, 13:45 UTCJul 9, 06:40 UTC16h 55m
2026-07-07 MSC2960 - Jul 7, 16:20 UTCJul 8, 12:10 UTC19h 50m
2026-07-07 MSC2960 - Jul 7, 14:50 UTCJul 8, 12:10 UTC21h 20m
2026-07-07 MSC2951 STR → STR Jul 7, 14:35 UTCJul 7, 14:40 UTC5m

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

Mode-S 452169 frequently asked

What is Mode-S code 452169?
452169 is an ICAO 24-bit transponder address. Allocated to Bulgaria. Assigned to LZ-EAJ.
Where is Mode-S 452169 registered?
Mode-S code 452169 is allocated to Bulgaria (BG). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 452169 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 20:35 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 452169, octal 21220551, decimal 4,530,537.
What flights does 452169 operate?
Mode-S 452169 has broadcast 20 distinct callsigns, including MSC2950, MSC2970, MSC2971, MSC2960, MSC2951.