Apparatus

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sensors Mode-S transponder

4403A7

ICAO 24-bit transponder address · allocated to Austria

Currently assigned to OE-DWW · CESSNA 172 Skyhawk

Hex
4403A7
Octal
21001647
Decimal
4,457,383
Country
AT
Tail
OE-DWW
Type
C172
No current signal · last broadcast 7d ago
Flights observed
177
Distinct callsigns
20
Country
AT
Last broadcast
7d ago

Last known position

Most recent position reported by Mode-S 4403A7.

Country allocation

The ICAO 24-bit address 4403A7 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
EJU97UQ easyJet Europe 3 2026-07-26
EJU89PF - 3 2026-07-19
EJU82RZ easyJet Europe 3 2026-07-25
EJU7976 easyJet Europe 3 2026-07-25
EJU67KJ easyJet Europe 3 2026-07-25
EJU67BM easyJet Europe 3 2026-07-26
EJU63ER - 3 2026-07-19
EJU53MR - 3 2026-07-16
EJU51QX easyJet Europe 3 2026-07-22
EJU45PK - 3 2026-07-26
EJU37CZ - 3 2026-07-17
EJU35XM easyJet Europe 3 2026-07-22
EJU32MF easyJet Europe 3 2026-07-25
EJU12NC easyJet Europe 3 2026-07-17
EJU95AE easyJet Europe 2 2026-07-20
EJU93DT easyJet Europe 2 2026-07-22
EJU92MA - 2 2026-07-16
EJU91DK easyJet Europe 2 2026-07-21
EJU89TX easyJet Europe 2 2026-07-21
EJU79KH - 2 2026-06-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 EJU16DM FNC → AMS Jul 26, 16:15 UTCJul 26, 20:00 UTC3h 45m
2026-07-26 EJU45PK AMS → FNC Jul 26, 11:45 UTCJul 26, 15:10 UTC3h 25m
2026-07-26 EJU97UQ OLB → AMS Jul 26, 08:30 UTCJul 26, 10:30 UTC2h 0m
2026-07-26 EJU67BM AMS → OLB Jul 26, 05:05 UTCJul 26, 06:45 UTC1h 41m
2026-07-25 EJU7976 FCO → AMS Jul 25, 19:55 UTCJul 25, 22:55 UTC3h 0m
2026-07-25 EJU82RZ AMS → MLA Jul 25, 16:05 UTCJul 25, 18:35 UTC2h 30m
2026-07-25 EJU32MF LCA → AMS Jul 25, 10:30 UTCJul 25, 14:45 UTC4h 15m
2026-07-25 EJU67KJ AMS → LCA Jul 25, 05:45 UTCJul 25, 09:25 UTC3h 40m
2026-07-24 EJU93EU STN → AMS Jul 24, 19:40 UTCJul 24, 20:20 UTC40m
2026-07-24 EJU79HF AMS → STN Jul 24, 18:10 UTCJul 24, 18:45 UTC35m
2026-07-24 EJU97UQ OLB → AMS Jul 24, 15:05 UTCJul 24, 17:00 UTC1h 55m
2026-07-24 EJU67BM AMS → OLB Jul 24, 11:55 UTCJul 24, 13:50 UTC1h 55m
2026-07-24 EJU37XF PMI → AMS Jul 24, 08:30 UTCJul 24, 10:40 UTC2h 10m
2026-07-24 EJU78HD AMS → PMI Jul 24, 05:15 UTCJul 24, 07:10 UTC1h 55m
2026-07-23 EJU97UQ OLB → AMS Jul 23, 18:00 UTCJul 23, 20:05 UTC2h 5m
2026-07-23 EJU67BM AMS → OLB Jul 23, 15:05 UTCJul 23, 17:05 UTC2h 0m
2026-07-23 EJU16DM FNC → AMS Jul 23, 10:35 UTCJul 23, 14:00 UTC3h 25m
2026-07-23 EJU45PK - Jul 23, 09:15 UTCJul 23, 09:30 UTC15m
2026-07-23 EJU45PK - Jul 23, 05:35 UTCJul 23, 08:30 UTC2h 55m
2026-07-22 EJU51QX ATH → AGP Jul 22, 20:00 UTCJul 22, 21:15 UTC1h 15m
2026-07-22 EJU35XM PMI → NCL Jul 22, 18:05 UTCJul 22, 19:10 UTC1h 5m
2026-07-22 EJU93DT PMI → CDG Jul 22, 12:30 UTCJul 22, 16:45 UTC4h 15m
2026-07-21 EJU42RP - Jul 21, 18:35 UTCJul 21, 20:15 UTC1h 40m
2026-07-21 EJU42RP - Jul 21, 17:55 UTCJul 21, 18:25 UTC30m
2026-07-21 EJU89TX AMS → NCE Jul 21, 16:25 UTCJul 21, 17:45 UTC1h 20m
2026-07-21 EJU89TX AMS → NCE Jul 21, 15:45 UTCJul 21, 16:20 UTC35m
2026-07-21 EJU13NQ RHO → AMS Jul 21, 10:40 UTCJul 21, 14:15 UTC3h 35m
2026-07-21 EJU91DK AMS → RHO Jul 21, 06:15 UTCJul 21, 09:20 UTC3h 5m
2026-07-20 EJU57VZ - Jul 20, 19:05 UTCJul 20, 20:05 UTC1h 0m
2026-07-20 EJU14RX AMS → EDI Jul 20, 17:10 UTCJul 20, 18:15 UTC1h 5m
2026-07-20 EJU58AT - Jul 20, 14:10 UTCJul 20, 16:10 UTC2h 0m
2026-07-20 EJU95AE AMS → PMI Jul 20, 10:05 UTCJul 20, 12:05 UTC2h 0m
2026-07-20 EJU14PH PRG → AMS Jul 20, 07:40 UTCJul 20, 08:50 UTC1h 10m
2026-07-20 EJU52HC AMS → PRG Jul 20, 05:25 UTCJul 20, 06:30 UTC1h 5m
2026-07-19 EJU69HL - Jul 19, 18:55 UTCJul 19, 22:15 UTC3h 20m
2026-07-19 EJU76XR - Jul 19, 14:20 UTCJul 19, 17:25 UTC3h 5m
2026-07-19 EJU63ER - Jul 19, 10:05 UTCJul 19, 12:25 UTC2h 20m
2026-07-19 EJU89PF - Jul 19, 06:00 UTCJul 19, 08:40 UTC2h 40m
2026-07-18 EJU7976 FCO → AMS Jul 18, 20:10 UTCJul 18, 23:05 UTC2h 55m
2026-07-18 EJU82RZ AMS → MLA Jul 18, 16:05 UTCJul 18, 18:40 UTC2h 35m
2026-07-18 EJU32MF LCA → AMS Jul 18, 10:40 UTCJul 18, 15:00 UTC4h 20m
2026-07-18 EJU67KJ AMS → LCA Jul 18, 05:50 UTCJul 18, 09:30 UTC3h 40m
2026-07-17 EJU57VZ EDI → AMS Jul 17, 21:10 UTCJul 17, 22:10 UTC1h 0m
2026-07-17 EJU14RX AMS → EDI Jul 17, 19:05 UTCJul 17, 20:04 UTC1h 0m
2026-07-17 EJU57TM - Jul 17, 15:10 UTCJul 17, 16:59 UTC1h 50m
2026-07-17 EJU59GM - Jul 17, 12:25 UTCJul 17, 13:55 UTC1h 30m
2026-07-17 EJU37CZ - Jul 17, 08:59 UTCJul 17, 11:30 UTC2h 30m
2026-07-17 EJU12NC AMS → PMO Jul 17, 05:25 UTCJul 17, 07:40 UTC2h 15m
2026-07-16 EJU92MA IBZ → AMS Jul 16, 20:19 UTCJul 16, 22:25 UTC2h 5m
2026-07-16 EJU53MR - Jul 16, 16:05 UTCJul 16, 18:19 UTC2h 15m

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

Mode-S 4403A7 frequently asked

What is Mode-S code 4403A7?
4403A7 is an ICAO 24-bit transponder address. Allocated to Austria. Assigned to OE-DWW.
Where is Mode-S 4403A7 registered?
Mode-S code 4403A7 is allocated to Austria (AT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4403A7 broadcasting right now?
No active broadcast right now. Last signal was 7d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4403A7, octal 21001647, decimal 4,457,383.
What flights does 4403A7 operate?
Mode-S 4403A7 has broadcast 20 distinct callsigns, including EJU97UQ, EJU89PF, EJU82RZ, EJU7976, EJU67KJ.