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sensors Mode-S transponder

4520AA

ICAO 24-bit transponder address · allocated to Bulgaria

Currently assigned to LZ-FBG · AIRBUS A-320

Hex
4520AA
Octal
21220252
Decimal
4,530,346
Country
BG
Tail
LZ-FBG
Type
A320
Broadcasting now · callsign JAF76T · 36,000 ft
Flights observed
293
Distinct callsigns
11
Country
BG
Last broadcast
Jul 26, 22:05 UTC

Current position

4520AA is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 4520AA 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 11 distinct

Callsign Airline Flights Last seen
JAF76T Jetairfly 43 2026-07-26
JAF5GA Jetairfly 43 2026-07-26
JAF3LC Jetairfly 43 2026-07-24
JAF2XB Jetairfly 35 2026-07-24
JAF1VY - 34 2026-07-25
JAF95J - 26 2026-07-25
JAF56C Jetairfly 24 2026-07-25
JAF94H Jetairfly 23 2026-07-21
JAF49Y Jetairfly 13 2026-07-26
JAF5GJ - 8 2026-07-02
JAF40Y - 1 2026-06-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 JAF5GA INN → ANR Jul 26, 19:25 UTCJul 26, 22:05 UTC2h 40m
2026-07-26 JAF49Y AGA → ORY Jul 26, 10:50 UTCJul 26, 18:15 UTC7h 25m
2026-07-26 JAF76T RAK → ORY Jul 26, 06:25 UTCJul 26, 09:15 UTC2h 51m
2026-07-25 JAF1VY - Jul 25, 19:20 UTCJul 25, 22:10 UTC2h 50m
2026-07-25 JAF95J - Jul 25, 10:25 UTCJul 25, 18:05 UTC7h 40m
2026-07-25 JAF56C BRU → ALC Jul 25, 06:10 UTCJul 25, 08:40 UTC2h 30m
2026-07-24 JAF2XB BLQ → RAK Jul 24, 18:35 UTCJul 24, 21:45 UTC3h 10m
2026-07-24 JAF3LC RAK → BLQ Jul 24, 14:20 UTCJul 24, 17:05 UTC2h 45m
2026-07-24 JAF5GA INN → ANR Jul 24, 09:55 UTCJul 24, 12:35 UTC2h 40m
2026-07-24 JAF76T RAK → ORY Jul 24, 06:00 UTCJul 24, 08:20 UTC2h 20m
2026-07-23 JAF1VY - Jul 23, 19:35 UTCJul 23, 22:45 UTC3h 10m
2026-07-23 JAF95J - Jul 23, 10:10 UTCJul 23, 18:10 UTC8h 0m
2026-07-23 JAF56C BRU → ALC Jul 23, 06:05 UTCJul 23, 08:50 UTC2h 45m
2026-07-22 JAF5GA INN → ANR Jul 22, 19:00 UTCJul 22, 21:25 UTC2h 25m
2026-07-22 JAF76T RAK → ORY Jul 22, 15:05 UTCJul 22, 17:25 UTC2h 20m
2026-07-22 JAF2XB BLQ → RAK Jul 22, 11:15 UTCJul 22, 13:20 UTC2h 5m
2026-07-21 JAF5GA INN → ANR Jul 21, 18:25 UTCJul 21, 20:55 UTC2h 30m
2026-07-21 JAF94H ORY → AGA Jul 21, 09:35 UTCJul 21, 16:45 UTC7h 10m
2026-07-21 JAF76T RAK → ORY Jul 21, 05:50 UTCJul 21, 08:15 UTC2h 25m
2026-07-20 JAF2XB BLQ → RAK Jul 20, 19:05 UTCJul 20, 22:15 UTC3h 10m
2026-07-20 JAF3LC RAK → BLQ Jul 20, 15:00 UTCJul 20, 17:45 UTC2h 45m
2026-07-20 JAF1VY - Jul 20, 10:20 UTCJul 20, 13:15 UTC2h 55m
2026-07-19 JAF5GA - Jul 19, 18:50 UTCJul 20, 09:00 UTC14h 10m
2026-07-19 JAF94H ORY → ORY Jul 19, 10:05 UTCJul 19, 17:20 UTC7h 15m
2026-07-19 JAF76T - Jul 19, 05:50 UTCJul 19, 08:25 UTC2h 35m
2026-07-18 JAF1VY - Jul 18, 19:05 UTCJul 18, 22:25 UTC3h 20m
2026-07-18 JAF95J - Jul 18, 10:05 UTCJul 18, 17:50 UTC7h 45m
2026-07-17 JAF2XB BLQ → RAK Jul 17, 18:40 UTCJul 18, 08:35 UTC13h 56m
2026-07-17 JAF3LC RAK → BLQ Jul 17, 14:24 UTCJul 17, 17:09 UTC2h 45m
2026-07-17 JAF5GA - Jul 17, 09:55 UTCJul 17, 12:40 UTC2h 45m
2026-07-17 JAF76T - Jul 17, 06:00 UTCJul 17, 08:25 UTC2h 25m
2026-07-16 JAF1VY - Jul 16, 19:30 UTCJul 16, 22:45 UTC3h 15m
2026-07-16 JAF95J - Jul 16, 10:10 UTCJul 16, 18:00 UTC7h 50m
2026-07-15 JAF5GA - Jul 15, 20:20 UTCJul 16, 08:35 UTC12h 15m
2026-07-15 JAF76T - Jul 15, 15:30 UTCJul 15, 18:00 UTC2h 30m
2026-07-15 JAF2XB - Jul 15, 10:35 UTCJul 15, 13:45 UTC3h 10m
2026-07-14 JAF5GA ORY → BLQ Jul 14, 18:15 UTCJul 15, 08:45 UTC14h 29m
2026-07-14 JAF94H ORY → ORY Jul 14, 09:30 UTCJul 14, 16:40 UTC7h 10m
2026-07-14 JAF76T - Jul 14, 05:30 UTCJul 14, 07:50 UTC2h 20m
2026-07-13 JAF2XB - Jul 13, 19:15 UTCJul 13, 22:00 UTC2h 45m
2026-07-13 JAF1VY - Jul 13, 10:20 UTCJul 13, 17:45 UTC7h 25m
2026-07-13 JAF56C - Jul 13, 06:05 UTCJul 13, 08:35 UTC2h 30m
2026-07-12 JAF5GA - Jul 12, 18:55 UTCJul 12, 21:40 UTC2h 45m
2026-07-12 JAF94H ORY → ORY Jul 12, 10:05 UTCJul 12, 17:20 UTC7h 15m
2026-07-11 JAF1VY - Jul 11, 19:20 UTCJul 12, 08:30 UTC13h 10m
2026-07-11 JAF95J - Jul 11, 10:10 UTCJul 11, 17:55 UTC7h 45m
2026-07-10 JAF2XB - Jul 10, 19:00 UTCJul 11, 08:45 UTC13h 46m
2026-07-10 JAF5GA ORY → BLQ Jul 10, 09:50 UTCJul 10, 17:10 UTC7h 20m
2026-07-10 JAF76T - Jul 10, 06:00 UTCJul 10, 08:25 UTC2h 25m
2026-07-09 JAF1VY - Jul 9, 19:25 UTCJul 9, 22:20 UTC2h 55m

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

Mode-S 4520AA frequently asked

What is Mode-S code 4520AA?
4520AA is an ICAO 24-bit transponder address. Allocated to Bulgaria. Assigned to LZ-FBG.
Where is Mode-S 4520AA registered?
Mode-S code 4520AA is allocated to Bulgaria (BG). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4520AA broadcasting right now?
Yes. Mode-S 4520AA is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4520AA, octal 21220252, decimal 4,530,346.
What flights does 4520AA operate?
Mode-S 4520AA has broadcast 11 distinct callsigns, including JAF76T, JAF5GA, JAF3LC, JAF2XB, JAF1VY.