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sensors Mode-S transponder

469DC1

ICAO 24-bit transponder address · allocated to Greece

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

Hex
469DC1
Octal
21516701
Decimal
4,627,905
Country
GR
Tail
SX-GNA
Type
A20N
Broadcasting now · callsign SEH840 · 37,950 ft
Flights observed
539
Distinct callsigns
20
Country
GR
Last broadcast
1h ago

Current position

469DC1 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 469DC1 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
SEH8TC - 12 2026-06-22
SEH6GK - 11 2026-07-12
SEH5SP - 11 2026-07-11
SEH5DL - 11 2026-07-11
SEH8BR - 10 2026-06-30
SEH7LC - 10 2026-06-21
SEH7EL - 10 2026-06-29
SEH7AG - 10 2026-06-29
SEH6HG - 10 2026-07-11
SEH721 - 9 2026-06-30
SEH720 - 9 2026-06-30
SEH3IR - 9 2026-07-08
SEH8BX - 8 2026-06-30
SEH4TC - 8 2026-06-22
SEH7AT Sky Express 7 2026-06-06
SEH6MA - 7 2026-07-01
SEH6HR Sky Express 7 2026-06-02
SEH6EV - 7 2026-07-01
SEH3RT - 7 2026-06-27
SEH3LC - 7 2026-06-22

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 SEH671 - Jul 14, 06:40 UTCJul 14, 07:40 UTC1h 0m
2026-07-14 SEH670 - Jul 14, 04:20 UTCJul 14, 05:15 UTC55m
2026-07-13 SEH3XP MXP → ATH Jul 13, 18:45 UTCJul 13, 20:45 UTC2h 0m
2026-07-13 SEH3MX ATH → MXP Jul 13, 15:05 UTCJul 13, 17:30 UTC2h 25m
2026-07-13 SEH5RT RHO → ATH Jul 13, 13:15 UTCJul 13, 13:55 UTC40m
2026-07-13 SEH282 ATH → RHO Jul 13, 11:35 UTCJul 13, 12:20 UTC45m
2026-07-13 SEH3TR - Jul 13, 09:40 UTCJul 13, 10:10 UTC30m
2026-07-13 SEH3JT - Jul 13, 08:20 UTCJul 13, 08:40 UTC20m
2026-07-13 SEH2MT JMK → ATH Jul 13, 06:35 UTCJul 13, 07:01 UTC25m
2026-07-13 SEH1AM ATH → JMK Jul 13, 05:10 UTCJul 13, 05:35 UTC25m
2026-07-12 SEH923 LIS → ATH Jul 12, 22:55 UTCJul 13, 02:20 UTC3h 25m
2026-07-12 SEH922 ATH → LIS Jul 12, 17:10 UTCJul 12, 21:25 UTC4h 15m
2026-07-12 SEH8TR - Jul 12, 15:30 UTCJul 12, 15:55 UTC25m
2026-07-12 SEH8JT - Jul 12, 14:15 UTCJul 12, 14:40 UTC25m
2026-07-12 SEH4TR - Jul 12, 12:50 UTCJul 12, 13:15 UTC25m
2026-07-12 SEH4JT - Jul 12, 11:20 UTCJul 12, 11:45 UTC25m
2026-07-12 SEH2TR - Jul 12, 09:05 UTCJul 12, 09:35 UTC30m
2026-07-12 SEH2JT - Jul 12, 07:45 UTCJul 12, 08:05 UTC20m
2026-07-12 SEH6GK SKG → ATH Jul 12, 04:15 UTCJul 12, 04:50 UTC35m
2026-07-11 SEH6HG ATH → SKG Jul 11, 21:25 UTCJul 11, 21:55 UTC30m
2026-07-11 SEH5SP DUS → ATH Jul 11, 17:15 UTCJul 11, 19:55 UTC2h 40m
2026-07-11 SEH590 SKG → DUS Jul 11, 13:35 UTCJul 11, 16:05 UTC2h 30m
2026-07-11 SEH591 DUS → SKG Jul 11, 09:55 UTCJul 11, 12:15 UTC2h 20m
2026-07-11 SEH5DL ATH → DUS Jul 11, 05:31 UTCJul 11, 08:20 UTC2h 50m
2026-07-11 SEH6GK SKG → ATH Jul 11, 03:45 UTCJul 11, 04:25 UTC40m
2026-07-10 SEH6HG ATH → SKG Jul 10, 20:55 UTCJul 10, 21:35 UTC40m
2026-07-10 SEH5SP DUS → ATH Jul 10, 17:05 UTCJul 10, 19:35 UTC2h 30m
2026-07-10 SEH5DL ATH → DUS Jul 10, 12:50 UTCJul 10, 15:55 UTC3h 5m
2026-07-10 SEH761 PRG → ATH Jul 10, 09:25 UTCJul 10, 11:30 UTC2h 5m
2026-07-10 SEH760 ATH → PRG Jul 10, 05:35 UTCJul 10, 08:00 UTC2h 25m
2026-07-09 SEH841 VIE → ATH Jul 9, 16:45 UTCJul 9, 18:25 UTC1h 40m
2026-07-09 SEH840 ATH → VIE Jul 9, 13:10 UTCJul 9, 15:20 UTC2h 10m
2026-07-09 SEH5AT - Jul 9, 10:00 UTCJul 9, 10:30 UTC30m
2026-07-09 SEH4601 - Jul 9, 07:10 UTCJul 9, 08:35 UTC1h 25m
2026-07-09 SEH4600 - Jul 9, 04:30 UTCJul 9, 06:05 UTC1h 35m
2026-07-08 SEH3IR - Jul 8, 20:50 UTCJul 8, 21:40 UTC50m
2026-07-08 SEH650 - Jul 8, 18:15 UTCJul 8, 20:05 UTC1h 50m
2026-07-08 SEH621 - Jul 8, 15:50 UTCJul 8, 16:45 UTC55m
2026-07-08 SEH562 - Jul 8, 13:40 UTCJul 8, 14:25 UTC45m
2026-07-08 SEH587 RHO → SKG Jul 8, 11:45 UTCJul 8, 12:50 UTC1h 5m
2026-07-08 SEH586 - Jul 8, 09:50 UTCJul 8, 10:50 UTC1h 0m
2026-07-08 SEH563 HER → SKG Jul 8, 07:55 UTCJul 8, 08:45 UTC50m
2026-07-08 SEH4719 - Jul 8, 05:10 UTCJul 8, 06:30 UTC1h 20m
2026-07-08 SEH4718 HER → SBZ Jul 8, 02:20 UTCJul 8, 03:50 UTC1h 30m
2026-07-07 SEH6SR - Jul 7, 18:00 UTCJul 7, 20:35 UTC2h 35m
2026-07-07 SEH6RL - Jul 7, 13:45 UTCJul 7, 16:35 UTC2h 50m
2026-07-07 SEH5DH - Jul 7, 09:35 UTCJul 7, 12:30 UTC2h 55m
2026-07-07 SEH5PG - Jul 7, 04:55 UTCJul 7, 08:15 UTC3h 20m
2026-07-06 SEH7840 - Jul 6, 21:15 UTCJul 6, 23:20 UTC2h 5m
2026-07-06 SEH991 - Jul 6, 17:20 UTCJul 6, 19:45 UTC2h 25m

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

Mode-S 469DC1 frequently asked

What is Mode-S code 469DC1?
469DC1 is an ICAO 24-bit transponder address. Allocated to Greece. Assigned to SX-GNA.
Where is Mode-S 469DC1 registered?
Mode-S code 469DC1 is allocated to Greece (GR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 469DC1 broadcasting right now?
Yes. Mode-S 469DC1 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 469DC1, octal 21516701, decimal 4,627,905.
What flights does 469DC1 operate?
Mode-S 469DC1 has broadcast 20 distinct callsigns, including SEH8TC, SEH6GK, SEH5SP, SEH5DL, SEH8BR.