Apparatus

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sensors Mode-S transponder

44CDD0

ICAO 24-bit transponder address · allocated to Belgium

Currently assigned to OO-SNP · AIRBUS A-320

Hex
44CDD0
Octal
21146720
Decimal
4,509,136
Country
BE
Tail
OO-SNP
Type
A320
No current signal · last broadcast 2h ago
Flights observed
224
Distinct callsigns
20
Country
BE
Last broadcast
2h ago

Last known position

Most recent position reported by Mode-S 44CDD0.

Country allocation

The ICAO 24-bit address 44CDD0 falls within the block assigned to Belgium (BE) by ICAO Annex 10, Volume III. Every aircraft registered in Belgium 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
BEL3SG Brussels Airlines 6 2026-05-28
BEL3WF Brussels Airlines 5 2026-05-13
BEL1VC Brussels Airlines 5 2026-05-13
BEL9FU Brussels Airlines 4 2026-04-23
BEL8WD Brussels Airlines 4 2026-05-28
BEL8MN Brussels Airlines 4 2026-05-27
BEL8KA Brussels Airlines 4 2026-05-28
BEL7WA Brussels Airlines 4 2026-05-27
BEL7LW Brussels Airlines 4 2026-05-25
BEL5GR Brussels Airlines 4 2026-04-23
BEL4UG Brussels Airlines 4 2026-05-28
BEL3CP Brussels Airlines 4 2026-05-25
BEL8CZ Brussels Airlines 3 2026-04-27
BEL7FP Brussels Airlines 3 2026-05-29
BEL6ZH Brussels Airlines 3 2026-05-20
BEL6VP Brussels Airlines 3 2026-05-24
BEL6NY Brussels Airlines 3 2026-04-27
BEL6NX Brussels Airlines 3 2026-05-27
BEL6JW Brussels Airlines 3 2026-05-16
BEL6CT Brussels Airlines 3 2026-05-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-30 BEL76T TLS → BRU May 30, 05:05 UTCMay 30, 06:30 UTC1h 25m
2026-05-29 BEL29D BRU → TLS May 29, 19:30 UTCMay 29, 20:45 UTC1h 15m
2026-05-29 BEL8AJ OSL → BRU May 29, 16:40 UTCMay 29, 18:20 UTC1h 40m
2026-05-29 BEL9EU BRU → OSL May 29, 13:55 UTCMay 29, 15:30 UTC1h 35m
2026-05-29 BEL6CT BCN → BRU May 29, 11:00 UTCMay 29, 12:45 UTC1h 45m
2026-05-29 BEL7FP BRU → BCN May 29, 08:00 UTCMay 29, 09:35 UTC1h 35m
2026-05-29 BEL7HQ ARN → BRU May 29, 04:55 UTCMay 29, 06:45 UTC1h 50m
2026-05-28 BEL9FL BRU → ARN May 28, 19:35 UTCMay 28, 21:20 UTC1h 45m
2026-05-28 BEL3SG BRU → CDG May 28, 16:35 UTCMay 28, 18:30 UTC1h 55m
2026-05-28 BEL8KA BRU → FCO May 28, 13:10 UTCMay 28, 14:55 UTC1h 45m
2026-05-28 BEL4UG TLS → BRU May 28, 10:35 UTCMay 28, 11:55 UTC1h 20m
2026-05-28 BEL8WD BRU → TLS May 28, 08:10 UTCMay 28, 09:25 UTC1h 15m
2026-05-28 BEL5GP PRG → BRU May 28, 05:00 UTCMay 28, 06:15 UTC1h 15m
2026-05-27 BEL6NX BRU → FRA May 27, 19:10 UTCMay 27, 20:15 UTC1h 5m
2026-05-27 BEL8MN CPH → BRU May 27, 16:40 UTCMay 27, 17:50 UTC1h 10m
2026-05-27 BEL7WA BRU → CPH May 27, 14:10 UTCMay 27, 15:15 UTC1h 5m
2026-05-27 BEL6CT BCN → BRU May 27, 11:40 UTCMay 27, 13:10 UTC1h 30m
2026-05-27 BEL7FP BRU → BCN May 27, 08:30 UTCMay 27, 10:05 UTC1h 35m
2026-05-26 BEL5PR FRA → BRU May 26, 19:45 UTCMay 26, 20:15 UTC30m
2026-05-26 BEL2LG BRU → FRA May 26, 17:30 UTCMay 26, 18:05 UTC35m
2026-05-26 BEL6VF NCE → BRU May 26, 14:45 UTCMay 26, 15:54 UTC1h 10m
2026-05-26 BEL8NY BRU → NCE May 26, 12:10 UTCMay 26, 13:34 UTC1h 25m
2026-05-25 BEL7LW OPO → BRU May 25, 16:15 UTCMay 25, 18:15 UTC2h 0m
2026-05-25 BEL3CP BRU → OPO May 25, 12:50 UTCMay 25, 14:55 UTC2h 5m
2026-05-25 BEL47P PRG → BRU May 25, 10:30 UTCMay 25, 11:40 UTC1h 10m
2026-05-25 BEL2NM BRU → PRG May 25, 08:25 UTCMay 25, 09:30 UTC1h 5m
2026-05-25 BEL5AU OSL → BRU May 25, 04:55 UTCMay 25, 06:35 UTC1h 40m
2026-05-24 BEL1EW BRU → OSL May 24, 19:15 UTCMay 24, 21:00 UTC1h 45m
2026-05-24 BEL8MN CPH → BRU May 24, 16:25 UTCMay 24, 17:45 UTC1h 20m
2026-05-24 BEL7WA BRU → CPH May 24, 14:00 UTCMay 24, 15:05 UTC1h 5m
2026-05-24 BEL1EV VCE → BRU May 24, 11:10 UTCMay 24, 12:35 UTC1h 25m
2026-05-24 BEL6VP BRU → VCE May 24, 08:25 UTCMay 24, 09:45 UTC1h 20m
2026-05-23 BEL7BK HER → BRU May 23, 18:40 UTCMay 23, 22:00 UTC3h 20m
2026-05-23 BEL7KT BRU → HER May 23, 13:50 UTCMay 23, 16:50 UTC3h 0m
2026-05-23 BEL4UG TLS → BRU May 23, 10:55 UTCMay 23, 12:15 UTC1h 20m
2026-05-23 BEL8WD BRU → TLS May 23, 08:20 UTCMay 23, 09:45 UTC1h 25m
2026-05-23 BEL5GP PRG → BRU May 23, 05:00 UTCMay 23, 06:05 UTC1h 5m
2026-05-22 BEL6NX BRU → FRA May 22, 19:40 UTCMay 22, 20:40 UTC1h 0m
2026-05-22 BEL75Y KGS → BRU May 22, 14:50 UTCMay 22, 18:10 UTC3h 20m
2026-05-22 BEL1TE BRU → KGS May 22, 10:20 UTCMay 22, 13:30 UTC3h 10m
2026-05-22 BEL9HZ MAN → BRU May 22, 07:00 UTCMay 22, 07:50 UTC50m
2026-05-21 BEL5BJ BRU → MAN May 21, 19:50 UTCMay 21, 20:45 UTC55m
2026-05-21 BEL9CJ BRU → NDR May 21, 17:45 UTCMay 21, 18:25 UTC40m
2026-05-21 BEL8UK BRU → FRA May 21, 15:40 UTCMay 21, 16:20 UTC40m
2026-05-21 BEL9SW MUC → BRU May 21, 13:10 UTCMay 21, 14:10 UTC1h 0m
2026-05-21 BEL7LF BRU → MUC May 21, 11:05 UTCMay 21, 12:05 UTC1h 0m
2026-05-20 BEL1BT IAD → BRU May 20, 17:30 UTCMay 20, 18:50 UTC1h 20m
2026-05-20 BEL6ZH BRU → LIN May 20, 14:45 UTCMay 20, 15:50 UTC1h 5m
2026-05-20 BEL9UR MRS → BRU May 20, 11:50 UTCMay 20, 13:15 UTC1h 25m
2026-05-20 BEL9KU BRU → MRS May 20, 09:25 UTCMay 20, 10:45 UTC1h 20m

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 OO-SNP page for operator, model, and routing details .

Mode-S 44CDD0 frequently asked

What is Mode-S code 44CDD0?
44CDD0 is an ICAO 24-bit transponder address. Allocated to Belgium. Assigned to OO-SNP.
Where is Mode-S 44CDD0 registered?
Mode-S code 44CDD0 is allocated to Belgium (BE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 44CDD0 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 44CDD0, octal 21146720, decimal 4,509,136.
What flights does 44CDD0 operate?
Mode-S 44CDD0 has broadcast 20 distinct callsigns, including BEL3SG, BEL3WF, BEL1VC, BEL9FU, BEL8WD.