Apparatus

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sensors Mode-S transponder

4403BB

ICAO 24-bit transponder address · allocated to Austria

Currently assigned to OE-ICB · AIRBUS A-320

Hex
4403BB
Octal
21001673
Decimal
4,457,403
Country
AT
Tail
OE-ICB
Type
A320
No current signal · last broadcast Jul 26, 21:50 UTC
Flights observed
632
Distinct callsigns
20
Country
AT
Last broadcast
Jul 26, 21:50 UTC

Last known position

Most recent position reported by Mode-S 4403BB.

Country allocation

The ICAO 24-bit address 4403BB falls within the block assigned to Austria (AT) by ICAO Annex 10, Volume III. Every aircraft registered in Austria 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
EJU68WB easyJet Europe 12 2026-05-11
EJU13BV easyJet Europe 11 2026-05-11
EJU89JK easyJet Europe 10 2026-05-15
EJU94UE easyJet Europe 9 2026-05-13
EJU85EA - 9 2026-07-14
EJU58XT easyJet Europe 9 2026-05-14
EJU38PD easyJet Europe 9 2026-05-15
EJU16CR easyJet Europe 9 2026-05-14
EJU742H - 8 2026-07-16
EJU67HR easyJet Europe 8 2026-05-13
EJU567E - 8 2026-07-15
EJU4909 easyJet Europe 8 2026-05-09
EJU473G - 8 2026-07-16
EJU185D - 8 2026-07-15
EJU831F easyJet Europe 6 2026-07-19
EJU82RL - 6 2026-05-09
EJU734Z - 6 2026-07-18
EJU54PG - 6 2026-05-09
EJU457D easyJet Europe 6 2026-07-19
EJU396U - 6 2026-07-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 EJU98ZA HAM → MXP Jul 26, 20:30 UTCJul 26, 21:45 UTC1h 15m
2026-07-26 EJU68CA MXP → HAM Jul 26, 18:10 UTCJul 26, 19:40 UTC1h 30m
2026-07-26 EJU15NE CTA → MXP Jul 26, 15:45 UTCJul 26, 17:10 UTC1h 25m
2026-07-26 EJU784Y MXP → CTA Jul 26, 13:10 UTCJul 26, 14:45 UTC1h 35m
2026-07-26 EJU3640 CPH → BCN Jul 26, 07:40 UTCJul 26, 09:10 UTC1h 30m
2026-07-26 EJU3639 BCN → CPH Jul 26, 05:30 UTCJul 26, 06:35 UTC1h 6m
2026-07-25 EJU39TE MAH → MXP Jul 25, 19:20 UTCJul 25, 20:25 UTC1h 5m
2026-07-25 EJU87WM MXP → MAH Jul 25, 16:30 UTCJul 25, 17:40 UTC1h 10m
2026-07-25 EJU16TM MAH → MXP Jul 25, 12:40 UTCJul 25, 13:50 UTC1h 10m
2026-07-25 EJU83WD MXP → MAH Jul 25, 10:15 UTCJul 25, 11:25 UTC1h 10m
2026-07-25 EJU51VN LYS → NAP Jul 25, 07:30 UTCJul 25, 08:20 UTC50m
2026-07-25 EJU18KE - Jul 25, 05:25 UTCJul 25, 06:10 UTC45m
2026-07-24 EJU12RT CAG → MXP Jul 24, 23:35 UTCJul 25, 00:35 UTC1h 0m
2026-07-24 EJU756C MXP → CAG Jul 24, 21:30 UTCJul 24, 22:30 UTC1h 0m
2026-07-24 EJU68HG ORY → MXP Jul 24, 19:10 UTCJul 24, 20:15 UTC1h 5m
2026-07-24 EJU68QN MXP → ORY Jul 24, 17:20 UTCJul 24, 18:25 UTC1h 5m
2026-07-24 EJU48FH TLS → MXP Jul 24, 14:40 UTCJul 24, 16:00 UTC1h 20m
2026-07-24 EJU82TR MXP → TLS Jul 24, 12:40 UTCJul 24, 13:45 UTC1h 5m
2026-07-24 EJU56MY JTR → MXP Jul 24, 09:05 UTCJul 24, 11:30 UTC2h 25m
2026-07-24 EJU49QM MXP → JTR Jul 24, 05:25 UTCJul 24, 07:30 UTC2h 5m
2026-07-23 EJU3548 CTA → MXP Jul 23, 20:30 UTCJul 23, 22:05 UTC1h 35m
2026-07-23 EJU371T MXP → CTA Jul 23, 18:00 UTCJul 23, 19:15 UTC1h 15m
2026-07-23 EJU74BX LGW → MXP Jul 23, 15:20 UTCJul 23, 16:45 UTC1h 25m
2026-07-23 EJU51PN MXP → LGW Jul 23, 12:45 UTCJul 23, 14:10 UTC1h 25m
2026-07-23 EJU56MY - Jul 23, 08:55 UTCJul 23, 11:30 UTC2h 35m
2026-07-23 EJU49QM - Jul 23, 05:15 UTCJul 23, 07:25 UTC2h 10m
2026-07-22 EJU48GA OLB → MXP Jul 22, 22:40 UTCJul 22, 23:35 UTC55m
2026-07-22 EJU725R - Jul 22, 19:30 UTCJul 22, 20:25 UTC55m
2026-07-22 EJU45XG AMS → MXP Jul 22, 17:25 UTCJul 22, 18:35 UTC1h 10m
2026-07-22 EJU14AH MXP → AMS Jul 22, 15:05 UTCJul 22, 16:25 UTC1h 20m
2026-07-22 EJU14TW LMP → MXP Jul 22, 12:05 UTCJul 22, 13:50 UTC1h 45m
2026-07-22 EJU692D - Jul 22, 11:10 UTCJul 22, 11:20 UTC10m
2026-07-22 EJU81RY MXP → PRG Jul 22, 05:20 UTCJul 22, 05:25 UTC5m
2026-07-21 EJU3795 CDG → VCE Jul 21, 13:45 UTCJul 21, 22:25 UTC8h 40m
2026-07-21 EJU59BF LCG → MXP Jul 21, 08:35 UTCJul 21, 10:30 UTC1h 55m
2026-07-21 EJU49ZJ MXP → LCG Jul 21, 05:10 UTCJul 21, 07:30 UTC2h 20m
2026-07-20 EJU57QB CFU → MXP Jul 20, 15:10 UTCJul 20, 16:55 UTC1h 45m
2026-07-20 EJU14YV - Jul 20, 11:25 UTCJul 20, 13:30 UTC2h 5m
2026-07-20 EJU87BT LGW → BOD Jul 20, 07:30 UTCJul 20, 08:40 UTC1h 10m
2026-07-20 EJU92NJ BOD → LGW Jul 20, 05:05 UTCJul 20, 06:10 UTC1h 5m
2026-07-19 EJU831F MRS → BOD Jul 19, 22:50 UTCJul 19, 23:40 UTC50m
2026-07-19 EJU457D BOD → MRS Jul 19, 20:50 UTCJul 19, 21:40 UTC50m
2026-07-19 EJU87BE BUD → BOD Jul 19, 17:15 UTCJul 19, 19:40 UTC2h 25m
2026-07-19 EJU97VF BOD → BUD Jul 19, 14:10 UTCJul 19, 16:10 UTC2h 0m
2026-07-19 EJU84RT - Jul 19, 08:45 UTCJul 19, 11:30 UTC2h 45m
2026-07-19 EJU83XD - Jul 19, 04:20 UTCJul 19, 07:40 UTC3h 20m
2026-07-18 EJU1814 LYS → BOD Jul 18, 20:25 UTCJul 18, 22:30 UTC2h 5m
2026-07-18 EJU38EH BOD → PMO Jul 18, 17:30 UTCJul 18, 19:15 UTC1h 45m
2026-07-18 EJU734Z LYS → BOD Jul 18, 15:45 UTCJul 18, 16:40 UTC55m
2026-07-18 EJU396U BOD → LYS Jul 18, 14:05 UTCJul 18, 14:50 UTC45m

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 OE-ICB page for operator, model, and routing details .

Mode-S 4403BB frequently asked

What is Mode-S code 4403BB?
4403BB is an ICAO 24-bit transponder address. Allocated to Austria. Assigned to OE-ICB.
Where is Mode-S 4403BB registered?
Mode-S code 4403BB is allocated to Austria (AT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4403BB broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:50 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4403BB, octal 21001673, decimal 4,457,403.
What flights does 4403BB operate?
Mode-S 4403BB has broadcast 20 distinct callsigns, including EJU68WB, EJU13BV, EJU89JK, EJU94UE, EJU85EA.