Apparatus

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sensors Mode-S transponder

44CCC5

ICAO 24-bit transponder address · allocated to Belgium

Currently assigned to OO-SFE · AIRBUS A-330-300

Hex
44CCC5
Octal
21146305
Decimal
4,508,869
Country
BE
Tail
OO-SFE
Type
A333
No current signal · last broadcast 34m ago
Flights observed
160
Distinct callsigns
20
Country
BE
Last broadcast
34m ago

Last known position

Most recent position reported by Mode-S 44CCC5.

Country allocation

The ICAO 24-bit address 44CCC5 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
BEL4BE - 17 2026-07-08
BEL8VB Brussels Airlines 15 2026-06-30
BEL39G - 15 2026-07-11
BEL4KE - 13 2026-07-04
BEL23D - 13 2026-06-22
BEL24D - 12 2026-06-22
BEL5RH - 7 2026-07-14
BEL3YG - 7 2026-07-15
BEL37K - 7 2026-07-05
BEL1NA - 7 2026-06-30
BEL9TK Brussels Airlines 4 2026-05-14
BEL5TA - 4 2026-07-06
BEL38K Brussels Airlines 4 2026-06-14
BEL1FF Brussels Airlines 4 2026-07-02
BEL52B Brussels Airlines 3 2026-04-15
BEL4UB - 3 2026-07-09
BEL21W Brussels Airlines 3 2026-06-10
BEL8LE - 2 2026-06-16
BEL8AN Brussels Airlines 2 2026-05-28
BEL7WR Brussels Airlines 2 2026-05-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-15 BEL3YG - Jul 15, 02:55 UTCJul 15, 04:55 UTC2h 0m
2026-07-14 BEL5RH - Jul 14, 09:55 UTCJul 14, 11:50 UTC1h 55m
2026-07-13 BEL1BQ - Jul 13, 11:45 UTCJul 14, 03:10 UTC15h 25m
2026-07-12 BEL2XJ - Jul 12, 22:20 UTCJul 13, 03:20 UTC5h 0m
2026-07-12 BEL2RG BRU → DSS Jul 12, 13:20 UTCJul 12, 19:05 UTC5h 45m
2026-07-11 BEL1154 - Jul 11, 22:01 UTCJul 12, 08:25 UTC10h 25m
2026-07-11 BEL9965 - Jul 11, 07:15 UTCJul 11, 18:50 UTC11h 35m
2026-07-11 BEL39G - Jul 11, 01:30 UTCJul 11, 03:25 UTC1h 55m
2026-07-10 BEL39G - Jul 10, 21:00 UTCJul 10, 21:15 UTC15m
2026-07-10 BEL39G - Jul 10, 19:10 UTCJul 10, 19:35 UTC25m
2026-07-10 BEL39G - Jul 10, 11:00 UTCJul 10, 12:50 UTC1h 50m
2026-07-09 BEL4UB - Jul 9, 22:10 UTCJul 10, 03:30 UTC5h 20m
2026-07-09 BEL4UB - Jul 9, 19:55 UTCJul 9, 20:15 UTC20m
2026-07-09 BEL4UB - Jul 9, 11:15 UTCJul 9, 14:30 UTC3h 15m
2026-07-08 BEL4BE - Jul 8, 09:20 UTCJul 9, 04:40 UTC19h 20m
2026-07-08 BEL4BE - Jul 8, 09:05 UTCJul 9, 04:40 UTC19h 35m
2026-07-08 BEL3YG - Jul 8, 02:15 UTCJul 8, 04:20 UTC2h 5m
2026-07-07 BEL5RH - Jul 7, 09:05 UTCJul 7, 11:00 UTC1h 55m
2026-07-06 BEL5TA - Jul 6, 10:20 UTCJul 7, 03:10 UTC16h 50m
2026-07-05 BEL37K - Jul 5, 11:00 UTCJul 6, 04:20 UTC17h 20m
2026-07-04 BEL4KE - Jul 4, 09:20 UTCJul 5, 04:40 UTC19h 20m
2026-07-04 BEL4KE BRU → BRU Jul 4, 09:05 UTCJul 5, 04:40 UTC19h 35m
2026-07-04 BEL3YG - Jul 4, 02:15 UTCJul 4, 04:20 UTC2h 5m
2026-07-03 BEL5RH - Jul 3, 09:15 UTCJul 3, 11:05 UTC1h 50m
2026-07-02 BEL1FF BRU → JRO Jul 2, 03:25 UTCJul 2, 05:30 UTC2h 5m
2026-07-01 BEL1FF BRU → JRO Jul 1, 08:35 UTCJul 1, 11:00 UTC2h 25m
2026-06-30 BEL8VB BRU → DLA Jun 30, 11:05 UTCJul 1, 03:15 UTC16h 10m
2026-06-30 BEL1NA - Jun 30, 04:40 UTCJun 30, 06:45 UTC2h 5m
2026-06-29 BEL1NA - Jun 29, 09:20 UTCJun 30, 06:45 UTC21h 26m
2026-06-29 BEL1NA - Jun 29, 09:05 UTCJun 30, 06:45 UTC21h 41m
2026-06-28 BEL2XJ DSS → BRU Jun 28, 21:40 UTCJun 29, 02:54 UTC5h 15m
2026-06-28 BEL2RG BRU → DSS Jun 28, 11:55 UTCJun 28, 17:39 UTC5h 45m
2026-06-26 BEL1NA - Jun 26, 09:20 UTCJun 27, 04:19 UTC19h 0m
2026-06-26 BEL1NA - Jun 26, 08:54 UTCJun 27, 04:19 UTC19h 25m
2026-06-25 BEL4KE BRU → BRU Jun 25, 09:25 UTCJun 26, 04:45 UTC19h 20m
2026-06-24 BEL39G - Jun 24, 10:59 UTCJun 25, 03:04 UTC16h 5m
2026-06-24 BEL3YG - Jun 24, 02:05 UTCJun 24, 04:05 UTC2h 0m
2026-06-23 BEL5RH - Jun 23, 08:54 UTCJun 23, 11:35 UTC2h 40m
2026-06-22 BEL24D - Jun 22, 21:35 UTCJun 23, 03:04 UTC5h 30m
2026-06-22 BEL24D BJL → DSS Jun 22, 19:44 UTCJun 22, 20:14 UTC30m
2026-06-22 BEL23D - Jun 22, 17:29 UTCJun 22, 17:55 UTC25m
2026-06-22 BEL23D - Jun 22, 16:05 UTCJun 22, 16:29 UTC25m
2026-06-22 BEL23D - Jun 22, 10:49 UTCJun 22, 13:44 UTC2h 55m
2026-06-21 BEL4BE - Jun 21, 14:05 UTCJun 22, 06:45 UTC16h 40m
2026-06-21 BEL4BE - Jun 21, 08:54 UTCJun 21, 11:00 UTC2h 5m
2026-06-20 BEL2DR BRU → ABJ Jun 20, 10:59 UTCJun 21, 03:25 UTC16h 25m
2026-06-19 BEL24D DSS → BRU Jun 19, 21:30 UTCJun 20, 02:54 UTC5h 25m
2026-06-19 BEL24D BJL → DSS Jun 19, 19:45 UTCJun 19, 20:04 UTC20m
2026-06-19 BEL23D - Jun 19, 17:55 UTCJun 19, 18:25 UTC30m
2026-06-19 BEL23D - Jun 19, 11:20 UTCJun 19, 16:59 UTC5h 40m

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

Mode-S 44CCC5 frequently asked

What is Mode-S code 44CCC5?
44CCC5 is an ICAO 24-bit transponder address. Allocated to Belgium. Assigned to OO-SFE.
Where is Mode-S 44CCC5 registered?
Mode-S code 44CCC5 is allocated to Belgium (BE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 44CCC5 broadcasting right now?
No active broadcast right now. Last signal was 34m ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 44CCC5, octal 21146305, decimal 4,508,869.
What flights does 44CCC5 operate?
Mode-S 44CCC5 has broadcast 20 distinct callsigns, including BEL4BE, BEL8VB, BEL39G, BEL4KE, BEL23D.