Apparatus

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sensors Mode-S transponder

4401DC

ICAO 24-bit transponder address · allocated to Austria

Currently assigned to OE-IZQ · AIRBUS A-320

Hex
4401DC
Octal
21000734
Decimal
4,456,924
Country
AT
Tail
OE-IZQ
Type
A320
Broadcasting now · callsign EJU792H · 12,150 ft
Flights observed
584
Distinct callsigns
20
Country
AT
Last broadcast
Jul 26, 19:40 UTC

Current position

4401DC is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 4401DC 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
EJU92NJ - 8 2026-07-18
EJU87BT easyJet Europe 7 2026-05-20
EJU734Z - 7 2026-05-21
EJU396U easyJet Europe 7 2026-05-21
EJU9 - 5 2026-04-15
EJU89YG - 5 2026-07-16
EJU897F easyJet Europe 5 2026-05-24
EJU748Z easyJet Europe 5 2026-05-22
EJU614B easyJet Europe 5 2026-05-22
EJU567E easyJet Europe 5 2026-05-21
EJU512B easyJet Europe 5 2026-05-24
EJU185D easyJet Europe 5 2026-05-21
EJU89QR - 4 2026-07-13
EJU85EA - 4 2026-07-16
EJU831F easyJet Europe 4 2026-05-20
EJU67FU - 4 2026-05-18
EJU64CX - 4 2026-06-19
EJU56NB - 4 2026-06-19
EJU457D easyJet Europe 4 2026-05-20
EJU34BQ - 4 2026-07-07

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 EJU49XD LPA → MXP Jul 26, 10:05 UTCJul 26, 19:35 UTC9h 30m
2026-07-26 EJU3592 OLB → MXP Jul 26, 06:30 UTCJul 26, 07:15 UTC46m
2026-07-26 EJU69QK NAP → OLB Jul 26, 04:40 UTCJul 26, 05:15 UTC35m
2026-07-25 EJU73WK OLB → NAP Jul 25, 20:55 UTCJul 25, 21:35 UTC40m
2026-07-25 EJU48FM NAP → OLB Jul 25, 19:10 UTCJul 25, 19:45 UTC35m
2026-07-25 EJU63MP - Jul 25, 16:20 UTCJul 25, 17:40 UTC1h 20m
2026-07-25 EJU71PA NAP → IBZ Jul 25, 13:30 UTCJul 25, 15:20 UTC1h 50m
2026-07-25 EJU18AD BSL → NAP Jul 25, 10:10 UTCJul 25, 11:50 UTC1h 40m
2026-07-25 EJU38GZ MXP → CDG Jul 25, 07:50 UTCJul 25, 09:15 UTC1h 25m
2026-07-25 EJU72XD PMO → NAP Jul 25, 05:55 UTCJul 25, 06:25 UTC30m
2026-07-25 EJU47UL LIN → BER Jul 25, 04:15 UTCJul 25, 04:40 UTC25m
2026-07-24 EJU12PW RAK → CDG Jul 24, 17:35 UTCJul 24, 19:45 UTC2h 10m
2026-07-24 EJU97LZ NAP → LGW Jul 24, 13:45 UTCJul 24, 16:15 UTC2h 30m
2026-07-24 EJU75ZX SPU → NAP Jul 24, 11:40 UTCJul 24, 12:10 UTC30m
2026-07-24 EJU59BP NAP → SPU Jul 24, 10:00 UTCJul 24, 10:20 UTC20m
2026-07-24 EJU56YA JSI → NAP Jul 24, 07:20 UTCJul 24, 08:45 UTC1h 25m
2026-07-24 EJU19XB NAP → JSI Jul 24, 05:10 UTCJul 24, 06:00 UTC50m
2026-07-23 EJU98VM JTR → NAP Jul 23, 17:45 UTCJul 23, 19:15 UTC1h 30m
2026-07-23 EJU64XZ BSL → BSL Jul 23, 15:35 UTCJul 23, 16:50 UTC1h 15m
2026-07-23 EJU37PQ IBZ → NAP Jul 23, 12:45 UTCJul 23, 14:10 UTC1h 25m
2026-07-23 EJU41LU NAP → IBZ Jul 23, 09:55 UTCJul 23, 11:35 UTC1h 40m
2026-07-23 EJU74RT JMK → NAP Jul 23, 06:35 UTCJul 23, 08:15 UTC1h 40m
2026-07-23 EJU95GX NAP → JMK Jul 23, 04:25 UTCJul 23, 05:40 UTC1h 15m
2026-07-22 EJU4180 - Jul 22, 18:20 UTCJul 22, 20:10 UTC1h 50m
2026-07-22 EJU4179 LYS → NAP Jul 22, 15:55 UTCJul 22, 17:20 UTC1h 25m
2026-07-22 EJU73BR CFU → NAP Jul 22, 13:55 UTCJul 22, 14:45 UTC50m
2026-07-22 EJU87FP NAP → CFU Jul 22, 12:05 UTCJul 22, 12:50 UTC45m
2026-07-22 EJU96AL - Jul 22, 05:15 UTCJul 22, 05:25 UTC10m
2026-07-21 EJU9056 MXP → FAO Jul 21, 18:15 UTCJul 21, 20:05 UTC1h 50m
2026-07-21 EJU67GK HER → BER Jul 21, 09:40 UTCJul 21, 12:30 UTC2h 50m
2026-07-21 EJU83ZK BER → HER Jul 21, 05:25 UTCJul 21, 07:55 UTC2h 30m
2026-07-20 EJU16CF - Jul 20, 19:50 UTCJul 20, 21:45 UTC1h 55m
2026-07-20 EJU59RD - Jul 20, 14:55 UTCJul 20, 16:40 UTC1h 45m
2026-07-20 EJU5014 RHO → BER Jul 20, 09:55 UTCJul 20, 12:55 UTC3h 0m
2026-07-20 EJU12HB - Jul 20, 05:20 UTCJul 20, 08:05 UTC2h 45m
2026-07-19 EJU32RT - Jul 19, 15:35 UTCJul 19, 18:25 UTC2h 50m
2026-07-19 EJU65CQ - Jul 19, 11:15 UTCJul 19, 14:30 UTC3h 15m
2026-07-19 EJU98EL - Jul 19, 08:05 UTCJul 19, 10:05 UTC2h 0m
2026-07-19 EJU38FP - Jul 19, 04:45 UTCJul 19, 06:55 UTC2h 10m
2026-07-18 EJU65LD FUE → BER Jul 18, 16:45 UTCJul 18, 21:00 UTC4h 15m
2026-07-18 EJU51DR - Jul 18, 10:30 UTCJul 18, 15:00 UTC4h 30m
2026-07-18 EJU93RY LGW → BER Jul 18, 08:00 UTCJul 18, 09:20 UTC1h 20m
2026-07-18 EJU92NJ BOD → LGW Jul 18, 05:15 UTCJul 18, 06:35 UTC1h 20m
2026-07-17 EJU47QA NCE → BOD Jul 17, 22:29 UTCJul 17, 23:39 UTC1h 10m
2026-07-17 EJU828M BOD → NCE Jul 17, 19:09 UTCJul 17, 20:10 UTC1h 0m
2026-07-17 EJU97JA OLB → BOD Jul 17, 16:15 UTCJul 17, 17:40 UTC1h 25m
2026-07-17 EJU54JV BOD → OLB Jul 17, 13:55 UTCJul 17, 15:20 UTC1h 25m
2026-07-17 EJU45UM BRU → BOD Jul 17, 11:39 UTCJul 17, 12:55 UTC1h 15m
2026-07-17 EJU95NR PMI → NTE Jul 17, 09:20 UTCJul 17, 10:25 UTC1h 5m
2026-07-17 EJU1872 FAO → BOD Jul 17, 06:35 UTCJul 17, 08:04 UTC1h 30m

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

Mode-S 4401DC frequently asked

What is Mode-S code 4401DC?
4401DC is an ICAO 24-bit transponder address. Allocated to Austria. Assigned to OE-IZQ.
Where is Mode-S 4401DC registered?
Mode-S code 4401DC is allocated to Austria (AT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4401DC broadcasting right now?
Yes. Mode-S 4401DC is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4401DC, octal 21000734, decimal 4,456,924.
What flights does 4401DC operate?
Mode-S 4401DC has broadcast 20 distinct callsigns, including EJU92NJ, EJU87BT, EJU734Z, EJU396U, EJU9.