Apparatus

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sensors Mode-S transponder

4401FA

ICAO 24-bit transponder address · allocated to Austria

Currently assigned to OE-IVW · AIRBUS A-320

Hex
4401FA
Octal
21000772
Decimal
4,456,954
Country
AT
Tail
OE-IVW
Type
A320
No current signal · last broadcast Jul 26, 20:45 UTC
Flights observed
567
Distinct callsigns
20
Country
AT
Last broadcast
Jul 26, 20:45 UTC

Last known position

Most recent position reported by Mode-S 4401FA.

Country allocation

The ICAO 24-bit address 4401FA 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
EJU69JX easyJet Europe 9 2026-07-22
EJU45PN - 9 2026-07-16
EJU15VZ easyJet Europe 9 2026-07-23
EJU186J - 8 2026-07-09
EJU924T - 7 2026-07-09
EJU892H - 7 2026-07-18
EJU86EN - 7 2026-07-16
EJU851F - 7 2026-07-10
EJU609D - 7 2026-07-18
EJU537C easyJet Europe 7 2026-07-26
EJU49NU - 7 2026-07-24
EJU49AL - 7 2026-07-24
EJU47MG - 7 2026-07-21
EJU41PV easyJet Europe 7 2026-07-23
EJU394K - 7 2026-07-10
EJU87FX - 6 2026-07-19
EJU79QN easyJet Europe 6 2026-07-19
EJU798L - 6 2026-07-11
EJU653N - 6 2026-07-11
EJU63QR - 6 2026-07-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 EJU537C NCE → BOD Jul 26, 19:35 UTCJul 26, 20:40 UTC1h 5m
2026-07-26 EJU9712 FCO → TLS Jul 26, 11:45 UTCJul 26, 15:00 UTC3h 15m
2026-07-25 EJU17QT - Jul 25, 12:35 UTCJul 26, 12:30 UTC23h 56m
2026-07-25 EJU17QT - Jul 25, 10:50 UTCJul 25, 14:30 UTC3h 40m
2026-07-25 EJU759E NTE → NCE Jul 25, 08:10 UTCJul 25, 09:25 UTC1h 15m
2026-07-25 EJU467W NCE → NTE Jul 25, 05:30 UTCJul 25, 06:45 UTC1h 15m
2026-07-24 EJU37QT IBZ → NCE Jul 24, 19:45 UTCJul 24, 20:50 UTC1h 5m
2026-07-24 EJU1703 NCE → IBZ Jul 24, 17:25 UTCJul 24, 18:35 UTC1h 10m
2026-07-24 EJU61RU AMS → VLC Jul 24, 14:45 UTCJul 24, 16:10 UTC1h 25m
2026-07-24 EJU1785 TLV → TLS Jul 24, 12:35 UTCJul 24, 13:55 UTC1h 20m
2026-07-24 EJU49AL - Jul 24, 11:00 UTCJul 24, 11:40 UTC40m
2026-07-24 EJU49NU - Jul 24, 09:05 UTCJul 24, 09:35 UTC30m
2026-07-24 EJU895Z LIL → NCE Jul 24, 06:40 UTCJul 24, 08:05 UTC1h 25m
2026-07-24 EJU517R NCE → LIL Jul 24, 04:35 UTCJul 24, 05:50 UTC1h 15m
2026-07-23 EJU51KH ORY → NCE Jul 23, 19:25 UTCJul 23, 20:30 UTC1h 5m
2026-07-23 EJU163L NCE → ORY Jul 23, 17:20 UTCJul 23, 18:35 UTC1h 15m
2026-07-23 EJU15VZ OPO → NCE Jul 23, 14:45 UTCJul 23, 16:25 UTC1h 40m
2026-07-23 EJU41PV NCE → OPO Jul 23, 11:35 UTCJul 23, 13:45 UTC2h 10m
2026-07-23 EJU96VD - Jul 23, 08:25 UTCJul 23, 10:30 UTC2h 5m
2026-07-23 EJU83GU NCE → RBA Jul 23, 04:45 UTCJul 23, 07:05 UTC2h 20m
2026-07-22 EJU67BZ MAN → NCE Jul 22, 19:15 UTCJul 22, 21:00 UTC1h 45m
2026-07-22 EJU19ZQ - Jul 22, 16:10 UTCJul 22, 18:05 UTC1h 55m
2026-07-22 EJU69JX ATH → NCE Jul 22, 12:50 UTCJul 22, 15:05 UTC2h 15m
2026-07-22 EJU69JX ATH → NCE Jul 22, 11:10 UTCJul 22, 11:40 UTC30m
2026-07-22 EJU782W - Jul 22, 05:10 UTCJul 22, 10:25 UTC5h 15m
2026-07-21 EJU49AL - Jul 21, 20:50 UTCJul 21, 21:30 UTC40m
2026-07-21 EJU49NU - Jul 21, 19:00 UTCJul 21, 19:35 UTC35m
2026-07-21 EJU14MW - Jul 21, 15:40 UTCJul 21, 18:05 UTC2h 25m
2026-07-21 EJU63QR NCE → CHQ Jul 21, 12:30 UTCJul 21, 14:45 UTC2h 15m
2026-07-21 EJU69JX ATH → NCE Jul 21, 09:00 UTCJul 21, 11:25 UTC2h 25m
2026-07-21 EJU47MG NCE → ATH Jul 21, 05:35 UTCJul 21, 07:35 UTC2h 0m
2026-07-20 EJU15VZ - Jul 20, 21:35 UTCJul 20, 22:00 UTC25m
2026-07-20 EJU15VZ OPO → NCE Jul 20, 19:50 UTCJul 20, 21:30 UTC1h 40m
2026-07-20 EJU41PV - Jul 20, 16:45 UTCJul 20, 18:55 UTC2h 10m
2026-07-20 EJU48TR - Jul 20, 13:10 UTCJul 20, 15:40 UTC2h 30m
2026-07-20 EJU39LB NCE → JMK Jul 20, 09:45 UTCJul 20, 11:50 UTC2h 5m
2026-07-20 EJU478U - Jul 20, 07:00 UTCJul 20, 08:15 UTC1h 15m
2026-07-20 EJU395J NCE → CDG Jul 20, 04:35 UTCJul 20, 05:50 UTC1h 15m
2026-07-19 EJU18HM ORY → NCE Jul 19, 20:00 UTCJul 19, 21:05 UTC1h 5m
2026-07-19 EJU1600 NCE → ORY Jul 19, 18:00 UTCJul 19, 19:10 UTC1h 10m
2026-07-19 EJU824J ORY → NCE Jul 19, 15:55 UTCJul 19, 17:00 UTC1h 5m
2026-07-19 EJU964F NCE → ORY Jul 19, 13:50 UTCJul 19, 14:55 UTC1h 5m
2026-07-19 EJU79QN VCE → NCE Jul 19, 11:40 UTCJul 19, 12:40 UTC1h 0m
2026-07-19 EJU87FX - Jul 19, 09:55 UTCJul 19, 10:35 UTC40m
2026-07-19 EJU61ME MLA → NCE Jul 19, 07:00 UTCJul 19, 08:45 UTC1h 45m
2026-07-19 EJU69WY NCE → MLA Jul 19, 04:00 UTCJul 19, 05:30 UTC1h 30m
2026-07-18 EJU892H BOD → NCE Jul 18, 21:05 UTCJul 18, 22:05 UTC1h 0m
2026-07-18 EJU609D NCE → BOD Jul 18, 19:00 UTCJul 18, 20:10 UTC1h 10m
2026-07-18 EJU14MW - Jul 18, 15:35 UTCJul 18, 18:05 UTC2h 30m
2026-07-18 EJU63QR - Jul 18, 12:30 UTCJul 18, 14:30 UTC2h 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-IVW page for operator, model, and routing details .

Mode-S 4401FA frequently asked

What is Mode-S code 4401FA?
4401FA is an ICAO 24-bit transponder address. Allocated to Austria. Assigned to OE-IVW.
Where is Mode-S 4401FA registered?
Mode-S code 4401FA is allocated to Austria (AT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4401FA broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 20:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4401FA, octal 21000772, decimal 4,456,954.
What flights does 4401FA operate?
Mode-S 4401FA has broadcast 20 distinct callsigns, including EJU69JX, EJU45PN, EJU15VZ, EJU186J, EJU924T.