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sensors Mode-S transponder

46DCA2

ICAO 24-bit transponder address · allocated to Greece

Currently assigned to SX-WEB · AIRBUS A-320neo

Hex
46DCA2
Octal
21556242
Decimal
4,644,002
Country
GR
Tail
SX-WEB
Type
A20N
Transponder active on ground
Flights observed
569
Distinct callsigns
20
Country
GR
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S 46DCA2.

Country allocation

The ICAO 24-bit address 46DCA2 falls within the block assigned to Greece (GR) by ICAO Annex 10, Volume III. Every aircraft registered in Greece 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
SEH791 - 22 2026-07-11
SEH790 - 21 2026-07-11
SEH721 - 17 2026-07-10
SEH720 - 16 2026-07-10
SEH921 - 15 2026-06-29
SEH2CQ - 15 2026-07-11
SEH1DQ - 15 2026-07-11
SEH920 - 14 2026-06-29
SEH5HG - 12 2026-07-11
SEH671 - 11 2026-07-08
SEH670 - 11 2026-07-08
SEH923 - 10 2026-07-10
SEH922 - 9 2026-07-10
SEH8TC - 9 2026-06-28
SEH8CQ - 9 2026-07-12
SEH7LC - 9 2026-06-27
SEH7EL - 9 2026-07-07
SEH7DQ - 9 2026-07-12
SEH7AT - 9 2026-07-07
SEH7AG - 9 2026-07-07

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 SEH5SP - Jul 14, 17:40 UTCJul 14, 18:30 UTC50m
2026-07-14 SEH590 SKG → DUS Jul 14, 13:20 UTCJul 14, 16:05 UTC2h 45m
2026-07-14 SEH591 DUS → SKG Jul 14, 10:20 UTCJul 14, 12:25 UTC2h 5m
2026-07-14 SEH5DL ATH → DUS Jul 14, 05:45 UTCJul 14, 08:55 UTC3h 10m
2026-07-14 SEH6GK SKG → ATH Jul 14, 03:40 UTCJul 14, 04:15 UTC35m
2026-07-13 SEH6HG ATH → SKG Jul 13, 20:55 UTCJul 13, 21:30 UTC35m
2026-07-13 SEH873 HAM → ATH Jul 13, 16:45 UTCJul 13, 19:25 UTC2h 40m
2026-07-13 SEH872 ATH → HAM Jul 13, 12:30 UTCJul 13, 15:30 UTC3h 0m
2026-07-13 SEH761 PRG → ATH Jul 13, 08:35 UTCJul 13, 10:45 UTC2h 10m
2026-07-13 SEH760 ATH → PRG Jul 13, 05:05 UTCJul 13, 07:20 UTC2h 15m
2026-07-13 SEH781 - Jul 13, 01:20 UTCJul 13, 04:00 UTC2h 40m
2026-07-12 SEH780 - Jul 12, 22:05 UTCJul 12, 23:50 UTC1h 45m
2026-07-12 SEH8CQ - Jul 12, 19:55 UTCJul 12, 20:25 UTC30m
2026-07-12 SEH7DQ - Jul 12, 18:35 UTCJul 12, 19:10 UTC35m
2026-07-12 SEH875 - Jul 12, 13:30 UTCJul 12, 16:01 UTC2h 30m
2026-07-12 SEH874 ATH → BER Jul 12, 09:50 UTCJul 12, 12:25 UTC2h 35m
2026-07-12 SEH2TC - Jul 12, 07:15 UTCJul 12, 08:35 UTC1h 20m
2026-07-12 SEH1LC - Jul 12, 04:45 UTCJul 12, 06:01 UTC1h 15m
2026-07-12 SEH785 TBS → ATH Jul 12, 00:35 UTCJul 12, 03:20 UTC2h 45m
2026-07-11 SEH784 ATH → TBS Jul 11, 21:35 UTCJul 11, 23:40 UTC2h 5m
2026-07-11 SEH3GK SKG → ATH Jul 11, 18:30 UTCJul 11, 19:05 UTC35m
2026-07-11 SEH5HG ATH → SKG Jul 11, 17:10 UTCJul 11, 17:45 UTC35m
2026-07-11 SEH791 - Jul 11, 12:40 UTCJul 11, 15:30 UTC2h 50m
2026-07-11 SEH790 ATH → AMS Jul 11, 07:45 UTCJul 11, 10:50 UTC3h 5m
2026-07-11 SEH2CQ - Jul 11, 05:31 UTCJul 11, 06:01 UTC30m
2026-07-11 SEH1DQ - Jul 11, 04:01 UTCJul 11, 04:35 UTC35m
2026-07-10 SEH923 LIS → ATH Jul 10, 23:00 UTCJul 11, 02:30 UTC3h 30m
2026-07-10 SEH922 ATH → LIS Jul 10, 17:20 UTCJul 10, 21:15 UTC3h 56m
2026-07-10 SEH791 AMS → ATH Jul 10, 13:00 UTCJul 10, 15:40 UTC2h 40m
2026-07-10 SEH790 ATH → AMS Jul 10, 07:50 UTCJul 10, 11:05 UTC3h 15m
2026-07-10 SEH721 TLV → ATH Jul 10, 04:35 UTCJul 10, 06:25 UTC1h 50m
2026-07-10 SEH720 ATH → TLV Jul 10, 01:30 UTCJul 10, 03:05 UTC1h 35m
2026-07-09 SEH9AT - Jul 9, 20:30 UTCJul 9, 21:00 UTC30m
2026-07-09 SEH8HR - Jul 9, 18:55 UTCJul 9, 19:20 UTC25m
2026-07-09 SEH791 AMS → ATH Jul 9, 13:25 UTCJul 9, 16:10 UTC2h 45m
2026-07-09 SEH790 ATH → AMS Jul 9, 07:45 UTCJul 9, 11:05 UTC3h 20m
2026-07-09 SEH2CQ CHQ → ATH Jul 9, 05:30 UTCJul 9, 06:05 UTC35m
2026-07-09 SEH1DQ ATH → CHQ Jul 9, 04:05 UTCJul 9, 04:35 UTC30m
2026-07-08 SEH721 TLV → ATH Jul 8, 21:30 UTCJul 8, 23:15 UTC1h 45m
2026-07-08 SEH720 ATH → TLV Jul 8, 18:25 UTCJul 8, 19:55 UTC1h 30m
2026-07-08 SEH6EV - Jul 8, 13:25 UTCJul 8, 15:50 UTC2h 25m
2026-07-08 SEH6MA ATH → FRA Jul 8, 09:05 UTCJul 8, 12:00 UTC2h 55m
2026-07-08 SEH671 - Jul 8, 06:50 UTCJul 8, 07:50 UTC1h 0m
2026-07-08 SEH670 - Jul 8, 04:20 UTCJul 8, 05:15 UTC55m
2026-07-07 SEH8CQ - Jul 7, 20:15 UTCJul 7, 20:45 UTC30m
2026-07-07 SEH7DQ - Jul 7, 18:25 UTCJul 7, 18:55 UTC30m
2026-07-07 SEH7AT - Jul 7, 16:30 UTCJul 7, 17:00 UTC30m
2026-07-07 SEH6HR - Jul 7, 14:45 UTCJul 7, 15:10 UTC25m
2026-07-07 SEH7EL MUC → ATH Jul 7, 11:20 UTCJul 7, 13:25 UTC2h 5m
2026-07-07 SEH7AG ATH → MUC Jul 7, 07:40 UTCJul 7, 09:55 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 SX-WEB page for operator, model, and routing details .

Mode-S 46DCA2 frequently asked

What is Mode-S code 46DCA2?
46DCA2 is an ICAO 24-bit transponder address. Allocated to Greece. Assigned to SX-WEB.
Where is Mode-S 46DCA2 registered?
Mode-S code 46DCA2 is allocated to Greece (GR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 46DCA2 broadcasting right now?
Mode-S 46DCA2 is currently broadcasting from the ground.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 46DCA2, octal 21556242, decimal 4,644,002.
What flights does 46DCA2 operate?
Mode-S 46DCA2 has broadcast 20 distinct callsigns, including SEH791, SEH790, SEH721, SEH720, SEH921.