Apparatus

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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
No current signal · last broadcast 2h ago
Flights observed
267
Distinct callsigns
20
Country
GR
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S 469DC1.

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 Sky Express 9 2026-05-26
SEH8BR Sky Express 8 2026-05-08
SEH7LC Sky Express 7 2026-05-25
SEH8BX Sky Express 6 2026-04-21
SEH7EL Sky Express 6 2026-05-14
SEH7AG Sky Express 6 2026-05-14
SEH721 Sky Express 5 2026-05-26
SEH720 Sky Express 5 2026-05-26
SEH6HR Sky Express 5 2026-05-16
SEH5SP Sky Express 5 2026-05-27
SEH5DL Sky Express 5 2026-05-27
SEH3RT Sky Express 5 2026-05-14
SEH3IR Sky Express 5 2026-05-14
SEH3HG Sky Express 5 2026-05-17
SEH3GK Sky Express 5 2026-05-17
SEH7HN - 4 2026-05-13
SEH7ER Sky Express 4 2026-05-13
SEH7AT Sky Express 4 2026-05-16
SEH6MA Sky Express 4 2026-05-26
SEH6GK Sky Express 4 2026-05-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 SEH873 HAM → ATH May 29, 20:25 UTCMay 29, 23:05 UTC2h 40m
2026-05-29 SEH872 ATH → HAM May 29, 15:25 UTCMay 29, 18:25 UTC3h 1m
2026-05-29 SEH2TL FCO → ATH May 29, 12:25 UTCMay 29, 14:00 UTC1h 35m
2026-05-29 SEH2FI ATH → FCO May 29, 08:40 UTCMay 29, 10:30 UTC1h 50m
2026-05-29 SEH2CQ CHQ → ATH May 29, 05:35 UTCMay 29, 06:10 UTC35m
2026-05-29 SEH1DQ ATH → CHQ May 29, 04:05 UTCMay 29, 04:35 UTC30m
2026-05-28 SEH4TC LCA → LCA May 28, 19:30 UTCMay 28, 20:55 UTC1h 25m
2026-05-28 SEH3LC ATH → LCA May 28, 17:10 UTCMay 28, 18:25 UTC1h 15m
2026-05-28 SEH921 MAD → ATH May 28, 12:45 UTCMay 28, 15:55 UTC3h 10m
2026-05-28 SEH920 ATH → MAD May 28, 07:50 UTCMay 28, 11:05 UTC3h 15m
2026-05-28 SEH2CQ CHQ → ATH May 28, 05:35 UTCMay 28, 06:05 UTC30m
2026-05-28 SEH1DQ ATH → CHQ May 28, 04:05 UTCMay 28, 04:40 UTC35m
2026-05-27 SEH923 LIS → ATH May 27, 22:30 UTCMay 28, 02:10 UTC3h 40m
2026-05-27 SEH922 ATH → LIS May 27, 16:55 UTCMay 27, 20:55 UTC4h 0m
2026-05-27 SEH5SP DUS → ATH May 27, 12:45 UTCMay 27, 15:20 UTC2h 35m
2026-05-27 SEH5DL ATH → DUS May 27, 08:15 UTCMay 27, 11:15 UTC3h 0m
2026-05-26 SEH721 TLV → ATH May 26, 21:20 UTCMay 26, 22:59 UTC1h 40m
2026-05-26 SEH720 ATH → TLV May 26, 17:59 UTCMay 26, 19:40 UTC1h 40m
2026-05-26 SEH6EV FRA → ATH May 26, 13:04 UTCMay 26, 15:29 UTC2h 25m
2026-05-26 SEH6MA ATH → FRA May 26, 08:50 UTCMay 26, 11:34 UTC2h 45m
2026-05-26 SEH8TC LCA → ATH May 26, 04:10 UTCMay 26, 05:30 UTC1h 20m
2026-05-25 SEH7LC ATH → LCA May 25, 19:15 UTCMay 25, 20:34 UTC1h 20m
2026-05-25 SEH875 BER → ATH May 25, 13:45 UTCMay 25, 16:10 UTC2h 25m
2026-05-25 SEH874 ATH → BER May 25, 10:05 UTCMay 25, 12:40 UTC2h 35m
2026-05-25 SEH2TC LCA → ATH May 25, 07:10 UTCMay 25, 08:20 UTC1h 10m
2026-05-25 SEH1LC ATH → LCA May 25, 04:30 UTCMay 25, 05:45 UTC1h 15m
2026-05-24 SEH923 LIS → ATH May 24, 23:05 UTCMay 25, 02:45 UTC3h 40m
2026-05-24 SEH922 ATH → LIS May 24, 17:05 UTCMay 24, 20:55 UTC3h 50m
2026-05-24 SEH6EV FRA → ATH May 24, 13:10 UTCMay 24, 15:35 UTC2h 25m
2026-05-24 SEH6MA ATH → FRA May 24, 08:50 UTCMay 24, 11:30 UTC2h 40m
2026-05-24 SEH209 HER → ATH May 24, 06:55 UTCMay 24, 07:30 UTC35m
2026-05-23 SEH4910 - May 23, 22:40 UTCMay 24, 03:20 UTC4h 40m
2026-05-23 SEH3211 CPH → HER May 23, 18:05 UTCMay 23, 21:00 UTC2h 56m
2026-05-23 SEH3210 HER → CPH May 23, 13:35 UTCMay 23, 16:50 UTC3h 15m
2026-05-23 SEH5IR BRU → HER May 23, 09:05 UTCMay 23, 12:05 UTC3h 0m
2026-05-23 SEH5RB HER → BRU May 23, 04:30 UTCMay 23, 07:40 UTC3h 10m
2026-05-22 SEH2HE - May 22, 20:25 UTCMay 22, 20:50 UTC25m
2026-05-22 SEH4MP WAW → ATH May 22, 17:05 UTCMay 22, 19:10 UTC2h 5m
2026-05-22 SEH4WA ATH → WAW May 22, 13:35 UTCMay 22, 15:50 UTC2h 15m
2026-05-22 SEH427 ZTH → ATH May 22, 11:05 UTCMay 22, 11:40 UTC35m
2026-05-22 SEH7151 NRN → ZTH May 22, 07:30 UTCMay 22, 10:05 UTC2h 35m
2026-05-22 SEH7150 ZTH → NRN May 22, 03:25 UTCMay 22, 06:10 UTC2h 45m
2026-05-21 SEH7421 BLL → ZTH May 21, 16:15 UTCMay 21, 19:00 UTC2h 45m
2026-05-21 SEH7420 ZTH → BLL May 21, 12:15 UTCMay 21, 15:15 UTC3h 0m
2026-05-21 SEH426 ATH → ZTH May 21, 10:35 UTCMay 21, 11:15 UTC40m
2026-05-20 SEH9HE CDG → ATH May 20, 12:40 UTCMay 20, 15:15 UTC2h 35m
2026-05-20 SEH9DG ATH → CDG May 20, 08:00 UTCMay 20, 11:10 UTC3h 10m
2026-05-20 SEH8TC LCA → ATH May 20, 04:20 UTCMay 20, 05:45 UTC1h 26m
2026-05-19 SEH7LC ATH → LCA May 19, 19:00 UTCMay 19, 20:15 UTC1h 15m
2026-05-19 SEH6EV FRA → ATH May 19, 13:30 UTCMay 19, 15:55 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?
No active broadcast right now. Last signal was 2h ago.
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, SEH8BR, SEH7LC, SEH8BX, SEH7EL.