Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

44CE79

ICAO 24-bit transponder address · allocated to Belgium

Currently assigned to OO-SSY · AIRBUS A-319

Hex
44CE79
Octal
21147171
Decimal
4,509,305
Country
BE
Tail
OO-SSY
Type
A319
Broadcasting now · callsign BEL7FP · 39,000 ft
Flights observed
481
Distinct callsigns
20
Country
BE
Last broadcast
2h ago

Current position

44CE79 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 44CE79 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
BEL5FJ - 24 2026-07-17
BEL7YC - 23 2026-07-17
BEL9PY - 9 2026-07-17
BEL5XD - 9 2026-07-17
BEL8YE - 8 2026-07-13
BEL1ZK - 8 2026-07-12
BEL5EP - 7 2026-06-24
BEL3WF - 7 2026-06-21
BEL1VC Brussels Airlines 7 2026-06-21
BEL6NQ - 6 2026-06-25
BEL5WE - 6 2026-07-15
BEL3LZ - 6 2026-07-15
BEL8LT - 5 2026-07-09
BEL5HW - 5 2026-06-26
BEL2JY - 5 2026-06-26
BEL9SW Brussels Airlines 4 2026-06-10
BEL9EU Brussels Airlines 4 2026-06-14
BEL9CJ Brussels Airlines 4 2026-06-11
BEL8ZB - 4 2026-06-28
BEL8UK Brussels Airlines 4 2026-06-11

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-18 BEL8CL BRU → KGS Jul 18, 05:40 UTCJul 18, 06:25 UTC45m
2026-07-17 BEL3TX BRU → HAM Jul 17, 19:15 UTCJul 17, 20:04 UTC50m
2026-07-17 BEL9PY WAW → BRU Jul 17, 16:34 UTCJul 17, 18:15 UTC1h 40m
2026-07-17 BEL5XD BRU → WAW Jul 17, 13:35 UTCJul 17, 15:10 UTC1h 35m
2026-07-17 BEL7YC - Jul 17, 10:44 UTCJul 17, 12:19 UTC1h 35m
2026-07-17 BEL5FJ - Jul 17, 07:35 UTCJul 17, 08:54 UTC1h 20m
2026-07-16 BEL6AK MUC → BRU Jul 16, 20:35 UTCJul 16, 21:40 UTC1h 5m
2026-07-16 BEL4HU - Jul 16, 18:19 UTCJul 16, 19:10 UTC50m
2026-07-16 BEL6DN ALC → BRU Jul 16, 13:34 UTCJul 16, 15:40 UTC2h 5m
2026-07-16 BEL4AR BRU → ALC Jul 16, 10:15 UTCJul 16, 12:34 UTC2h 20m
2026-07-16 BEL7ZC - Jul 16, 05:25 UTCJul 16, 06:25 UTC1h 0m
2026-07-15 BEL92K BRU → GVA Jul 15, 19:15 UTCJul 15, 20:10 UTC55m
2026-07-15 BEL8MN - Jul 15, 16:25 UTCJul 15, 17:40 UTC1h 15m
2026-07-15 BEL7WA BRU → CPH Jul 15, 14:05 UTCJul 15, 15:20 UTC1h 15m
2026-07-15 BEL3LZ LIN → BRU Jul 15, 11:40 UTCJul 15, 13:00 UTC1h 20m
2026-07-15 BEL5WE BRU → LIN Jul 15, 09:30 UTCJul 15, 10:40 UTC1h 10m
2026-07-15 BEL9DN FRA → BRU Jul 15, 07:10 UTCJul 15, 07:50 UTC40m
2026-07-15 BEL8QB BRU → FRA Jul 15, 05:10 UTCJul 15, 05:50 UTC40m
2026-07-14 BEL5LC - Jul 14, 19:25 UTCJul 14, 21:15 UTC1h 50m
2026-07-14 BEL3WD - Jul 14, 16:40 UTCJul 14, 18:10 UTC1h 30m
2026-07-14 BEL9BP - Jul 14, 14:15 UTCJul 14, 15:20 UTC1h 5m
2026-07-14 BEL2PN - Jul 14, 12:00 UTCJul 14, 12:55 UTC55m
2026-07-14 BEL5MQ HAM → BRU Jul 14, 10:00 UTCJul 14, 10:55 UTC55m
2026-07-14 BEL7GZ BRU → HAM Jul 14, 08:10 UTCJul 14, 09:00 UTC50m
2026-07-14 BEL7HQ - Jul 14, 04:45 UTCJul 14, 06:30 UTC1h 45m
2026-07-13 BEL9FL BRU → ARN Jul 13, 19:10 UTCJul 13, 21:05 UTC1h 55m
2026-07-13 BEL7AM VIE → BRU Jul 13, 16:20 UTCJul 13, 17:50 UTC1h 30m
2026-07-13 BEL3XW BRU → VIE Jul 13, 13:55 UTCJul 13, 15:15 UTC1h 20m
2026-07-13 BEL7YC - Jul 13, 09:55 UTCJul 13, 11:30 UTC1h 35m
2026-07-13 BEL5FJ BRU → FLR Jul 13, 07:20 UTCJul 13, 08:40 UTC1h 20m
2026-07-13 BEL8YE - Jul 13, 05:05 UTCJul 13, 06:20 UTC1h 15m
2026-07-12 BEL1ZK BRU → BER Jul 12, 19:05 UTCJul 12, 20:05 UTC1h 0m
2026-07-12 BEL4WF BUD → BRU Jul 12, 16:15 UTCJul 12, 18:01 UTC1h 45m
2026-07-12 BEL6PR BRU → BUD Jul 12, 13:30 UTCJul 12, 15:05 UTC1h 35m
2026-07-12 BEL2QG - Jul 12, 09:25 UTCJul 12, 12:05 UTC2h 40m
2026-07-12 BEL1YJ - Jul 12, 05:30 UTCJul 12, 08:05 UTC2h 35m
2026-07-11 BEL5HH - Jul 11, 18:20 UTCJul 11, 20:10 UTC1h 50m
2026-07-11 BEL6JW BRU → IBZ Jul 11, 15:10 UTCJul 11, 17:15 UTC2h 5m
2026-07-11 BEL3HE LIS → BRU Jul 11, 11:45 UTCJul 11, 14:00 UTC2h 15m
2026-07-11 BEL2DY - Jul 11, 07:30 UTCJul 11, 10:05 UTC2h 35m
2026-07-11 BEL19V VCE → BRU Jul 11, 05:05 UTCJul 11, 06:25 UTC1h 20m
2026-07-10 BEL2SJ BRU → VCE Jul 10, 19:55 UTCJul 10, 21:05 UTC1h 10m
2026-07-10 BEL1BT LIN → BRU Jul 10, 17:05 UTCJul 10, 18:15 UTC1h 10m
2026-07-10 BEL6ZH - Jul 10, 14:50 UTCJul 10, 15:55 UTC1h 5m
2026-07-10 BEL23U - Jul 10, 11:55 UTCJul 10, 13:05 UTC1h 10m
2026-07-10 BEL4OZ - Jul 10, 09:35 UTCJul 10, 10:45 UTC1h 10m
2026-07-10 BEL4TQ ZRH → BRU Jul 10, 07:30 UTCJul 10, 08:30 UTC1h 0m
2026-07-10 BEL8HQ BRU → ZRH Jul 10, 05:15 UTCJul 10, 06:05 UTC50m
2026-07-09 BEL2ET LIS → BRU Jul 9, 19:10 UTCJul 9, 21:35 UTC2h 25m
2026-07-09 BEL2DT BRU → LIS Jul 9, 15:25 UTCJul 9, 17:50 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 OO-SSY page for operator, model, and routing details .

Mode-S 44CE79 frequently asked

What is Mode-S code 44CE79?
44CE79 is an ICAO 24-bit transponder address. Allocated to Belgium. Assigned to OO-SSY.
Where is Mode-S 44CE79 registered?
Mode-S code 44CE79 is allocated to Belgium (BE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 44CE79 broadcasting right now?
Yes. Mode-S 44CE79 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 44CE79, octal 21147171, decimal 4,509,305.
What flights does 44CE79 operate?
Mode-S 44CE79 has broadcast 20 distinct callsigns, including BEL5FJ, BEL7YC, BEL9PY, BEL5XD, BEL8YE.