Apparatus

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sensors Mode-S transponder

440611

ICAO 24-bit transponder address · allocated to Austria

Currently assigned to OE-ISB · AIRBUS A-321neo

Hex
440611
Octal
21003021
Decimal
4,458,001
Country
AT
Tail
OE-ISB
Type
A21N
No current signal · last broadcast Jul 26, 22:15 UTC
Flights observed
482
Distinct callsigns
20
Country
AT
Last broadcast
Jul 26, 22:15 UTC

Last known position

Most recent position reported by Mode-S 440611.

Country allocation

The ICAO 24-bit address 440611 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
EJU69XP - 13 2026-07-13
EJU98JM easyJet Europe 10 2026-07-23
EJU76QH - 10 2026-06-21
EJU63QZ - 10 2026-07-08
EJU16XA - 9 2026-07-15
EJU61FP easyJet Europe 8 2026-07-26
EJU81UK easyJet Europe 7 2026-07-26
EJU76DG - 7 2026-06-21
EJU61QX - 7 2026-06-21
EJU3859 easyJet Europe 7 2026-05-29
EJU362V - 7 2026-07-17
EJU16VW - 7 2026-07-09
EJU62EW - 6 2026-07-17
EJU59VN - 6 2026-07-07
EJU52ZF easyJet Europe 6 2026-05-29
EJU37DZ easyJet Europe 6 2026-07-20
EJU18WZ easyJet Europe 6 2026-07-23
EJU15ZP - 6 2026-06-21
EJU93XV - 5 2026-07-02
EJU93RF easyJet Europe 5 2026-07-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 EJU3650 AMS → BCN Jul 26, 21:15 UTCJul 26, 22:15 UTC1h 0m
2026-07-26 EJU63PU MXP → CFU Jul 26, 18:30 UTCJul 26, 20:00 UTC1h 30m
2026-07-26 EJU81UK ZTH → MXP Jul 26, 15:05 UTCJul 26, 17:05 UTC2h 0m
2026-07-26 EJU61FP ALC → MAN Jul 26, 12:05 UTCJul 26, 14:00 UTC1h 55m
2026-07-26 EJU3748 MXP → PMI Jul 26, 09:00 UTCJul 26, 10:05 UTC1h 5m
2026-07-26 EJU14HM PRG → LYS Jul 26, 05:05 UTCJul 26, 06:40 UTC1h 36m
2026-07-25 EJU3686 KGS → MXP Jul 25, 23:05 UTCJul 26, 01:35 UTC2h 30m
2026-07-25 EJU3685 MXP → KGS Jul 25, 19:45 UTCJul 25, 21:45 UTC2h 0m
2026-07-25 EJU81UK ZTH → MXP Jul 25, 16:05 UTCJul 25, 18:05 UTC2h 0m
2026-07-25 EJU61FP ALC → MAN Jul 25, 13:15 UTCJul 25, 14:55 UTC1h 40m
2026-07-25 EJU54XT ATH → MXP Jul 25, 09:55 UTCJul 25, 12:15 UTC2h 20m
2026-07-25 EJU42DU MXP → ATH Jul 25, 06:15 UTCJul 25, 08:15 UTC2h 0m
2026-07-24 EJU72TV PMI → MXP Jul 24, 22:25 UTCJul 24, 23:50 UTC1h 25m
2026-07-24 EJU58VL MXP → PMI Jul 24, 19:30 UTCJul 24, 20:45 UTC1h 15m
2026-07-24 EJU73BK RBA → MXP Jul 24, 16:05 UTCJul 24, 18:20 UTC2h 15m
2026-07-24 EJU39BY MXP → RBA Jul 24, 11:35 UTCJul 24, 14:10 UTC2h 35m
2026-07-24 EJU84QM AGP → MXP Jul 24, 08:00 UTCJul 24, 10:05 UTC2h 5m
2026-07-24 EJU54MF MXP → AGP Jul 24, 04:30 UTCJul 24, 06:40 UTC2h 10m
2026-07-23 EJU93RF KEF → MXP Jul 23, 22:10 UTCJul 24, 01:25 UTC3h 15m
2026-07-23 EJU98JM MXP → KEF Jul 23, 16:55 UTCJul 23, 20:55 UTC4h 0m
2026-07-23 EJU81UK ZTH → MXP Jul 23, 12:55 UTCJul 23, 15:05 UTC2h 10m
2026-07-23 EJU61FP ALC → MAN Jul 23, 10:00 UTCJul 23, 11:45 UTC1h 45m
2026-07-23 EJU34UF IBZ → MXP Jul 23, 06:55 UTCJul 23, 08:20 UTC1h 25m
2026-07-23 EJU18WZ ORY → VCE Jul 23, 04:20 UTCJul 23, 05:55 UTC1h 35m
2026-07-22 EJU48FL ATH → MXP Jul 22, 20:40 UTCJul 22, 23:15 UTC2h 35m
2026-07-22 EJU17QX MXP → ATH Jul 22, 17:20 UTCJul 22, 19:25 UTC2h 5m
2026-07-22 EJU51ZW JMK → MXP Jul 22, 13:00 UTCJul 22, 15:30 UTC2h 30m
2026-07-22 EJU41HU CDG → LIS Jul 22, 11:10 UTCJul 22, 11:55 UTC45m
2026-07-22 EJU61FP ALC → MAN Jul 22, 02:40 UTCJul 22, 04:20 UTC1h 40m
2026-07-21 EJU47QV JTR → MXP Jul 21, 19:05 UTCJul 21, 21:40 UTC2h 35m
2026-07-21 EJU93WU OPO → BSL Jul 21, 15:55 UTCJul 21, 17:55 UTC2h 0m
2026-07-21 EJU57YG EDI → MXP Jul 21, 07:40 UTCJul 21, 09:45 UTC2h 5m
2026-07-21 EJU9050 LYS → AMS Jul 21, 04:20 UTCJul 21, 06:30 UTC2h 10m
2026-07-20 EJU17FM EDI → MXP Jul 20, 21:30 UTCJul 20, 23:30 UTC2h 0m
2026-07-20 EJU37DZ BIQ → NCE Jul 20, 17:55 UTCJul 20, 20:00 UTC2h 5m
2026-07-20 EJU71BD OLB → MXP Jul 20, 15:35 UTCJul 20, 16:35 UTC1h 0m
2026-07-20 EJU725R MXP → OLB Jul 20, 13:40 UTCJul 20, 14:35 UTC55m
2026-07-20 EJU32RM KGS → MXP Jul 20, 09:20 UTCJul 20, 11:55 UTC2h 35m
2026-07-20 EJU51VJ MXP → KGS Jul 20, 05:35 UTCJul 20, 07:55 UTC2h 20m
2026-07-19 EJU3650 AMS → BCN Jul 19, 20:40 UTCJul 19, 22:15 UTC1h 35m
2026-07-19 EJU63PU - Jul 19, 17:35 UTCJul 19, 18:55 UTC1h 20m
2026-07-19 EJU81UK ZTH → MXP Jul 19, 14:10 UTCJul 19, 16:15 UTC2h 5m
2026-07-19 EJU61FP ALC → MAN Jul 19, 11:20 UTCJul 19, 13:05 UTC1h 45m
2026-07-19 EJU3642 PRG → BCN Jul 19, 08:15 UTCJul 19, 09:25 UTC1h 10m
2026-07-19 EJU3643 - Jul 19, 05:40 UTCJul 19, 06:30 UTC50m
2026-07-18 EJU67FQ MXP → HRG Jul 18, 15:45 UTCJul 19, 00:50 UTC9h 5m
2026-07-18 EJU59AQ RHO → MXP Jul 18, 11:25 UTCJul 18, 14:05 UTC2h 40m
2026-07-18 EJU78FJ MXP → RHO Jul 18, 07:40 UTCJul 18, 10:10 UTC2h 30m
2026-07-17 EJU12RT CAG → MXP Jul 17, 23:39 UTCJul 18, 00:35 UTC55m
2026-07-17 EJU756C MXP → CAG Jul 17, 21:20 UTCJul 17, 22:20 UTC1h 0m

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

Mode-S 440611 frequently asked

What is Mode-S code 440611?
440611 is an ICAO 24-bit transponder address. Allocated to Austria. Assigned to OE-ISB.
Where is Mode-S 440611 registered?
Mode-S code 440611 is allocated to Austria (AT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 440611 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:15 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 440611, octal 21003021, decimal 4,458,001.
What flights does 440611 operate?
Mode-S 440611 has broadcast 20 distinct callsigns, including EJU69XP, EJU98JM, EJU76QH, EJU63QZ, EJU16XA.