sensors Mode-S transponder

449681

ICAO 24-bit transponder address · allocated to Belgium

Currently assigned to OO-ETA · EMBRAER ERJ-190-400

Hex
449681
Octal
21113201
Decimal
4,494,977
Country
BE
Tail
OO-ETA
Type
E295
No current signal · last broadcast 59m ago
Flights observed
297
Distinct callsigns
20
Country
BE
Last broadcast
59m ago

Last known position

Most recent position reported by Mode-S 449681.

Country allocation

The ICAO 24-bit address 449681 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
JAF9CY - 22 2026-06-23
JAF6CE - 21 2026-06-23
JAF73H - 15 2026-06-23
JAF33A - 15 2026-06-23
JAF8WT - 12 2026-07-13
JAF50K - 12 2026-07-13
JAF75L - 10 2026-07-17
JAF54C Jetairfly 10 2026-07-17
JAF86A - 9 2026-07-17
JAF7GY - 9 2026-07-17
JAF8EK - 8 2026-07-11
JAF7LD Jetairfly 8 2026-05-13
JAF2DV Jetairfly 8 2026-05-13
JAF7FE - 7 2026-05-14
JAF78M - 7 2026-07-11
JAF6BA - 7 2026-05-14
JAF94C Jetairfly 6 2026-07-17
JAF25B - 6 2026-07-17
JAF9FB - 5 2026-07-08
JAF7PN - 5 2026-07-10

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 JAF7GY - Jul 17, 23:10 UTCJul 18, 01:39 UTC2h 30m
2026-07-17 JAF86A - Jul 17, 19:25 UTCJul 17, 22:05 UTC2h 40m
2026-07-17 JAF94C PMO → BRU Jul 17, 15:10 UTCJul 17, 18:05 UTC2h 55m
2026-07-17 JAF25B - Jul 17, 11:20 UTCJul 17, 14:00 UTC2h 40m
2026-07-17 JAF54C TIV → BRU Jul 17, 07:50 UTCJul 17, 09:55 UTC2h 5m
2026-07-17 JAF75L - Jul 17, 04:20 UTCJul 17, 06:10 UTC1h 50m
2026-07-16 JAF7FG - Jul 16, 20:09 UTCJul 16, 21:45 UTC1h 35m
2026-07-16 JAF63D - Jul 16, 17:10 UTCJul 16, 18:44 UTC1h 35m
2026-07-16 JAF8GT - Jul 16, 14:00 UTCJul 16, 15:35 UTC1h 35m
2026-07-16 JAF7VH - Jul 16, 10:59 UTCJul 16, 12:49 UTC1h 50m
2026-07-16 JAF63N - Jul 16, 08:05 UTCJul 16, 09:50 UTC1h 45m
2026-07-16 JAF68V - Jul 16, 04:50 UTCJul 16, 06:40 UTC1h 50m
2026-07-16 JAF7GY - Jul 16, 01:00 UTCJul 16, 03:15 UTC2h 15m
2026-07-15 JAF86A - Jul 15, 21:20 UTCJul 16, 00:05 UTC2h 45m
2026-07-15 JAF20E - Jul 15, 16:55 UTCJul 15, 19:15 UTC2h 20m
2026-07-15 JAF7DE - Jul 15, 12:40 UTCJul 15, 15:30 UTC2h 50m
2026-07-15 JAF3XV - Jul 15, 09:10 UTCJul 15, 11:25 UTC2h 15m
2026-07-15 JAF6VK - Jul 15, 05:30 UTCJul 15, 07:15 UTC1h 45m
2026-07-14 JAF9TY - Jul 14, 19:25 UTCJul 14, 21:55 UTC2h 30m
2026-07-14 JAF10Y BRU → AHU Jul 14, 15:20 UTCJul 14, 18:15 UTC2h 55m
2026-07-14 JAF66H - Jul 14, 10:40 UTCJul 14, 14:00 UTC3h 20m
2026-07-14 JAF35D - Jul 14, 04:45 UTCJul 14, 09:00 UTC4h 15m
2026-07-13 JAF8WT IBZ → BRU Jul 13, 14:50 UTCJul 13, 17:15 UTC2h 25m
2026-07-13 JAF50K BRU → IBZ Jul 13, 11:25 UTCJul 13, 13:35 UTC2h 10m
2026-07-13 JAF54C - Jul 13, 07:50 UTCJul 13, 09:55 UTC2h 5m
2026-07-13 JAF75L - Jul 13, 04:30 UTCJul 13, 06:20 UTC1h 50m
2026-07-12 JAF7FG - Jul 12, 19:45 UTCJul 12, 21:25 UTC1h 40m
2026-07-12 JAF63D - Jul 12, 17:01 UTCJul 12, 18:35 UTC1h 35m
2026-07-12 JAF8GT - Jul 12, 13:50 UTCJul 12, 15:20 UTC1h 30m
2026-07-12 JAF7VH - Jul 12, 10:45 UTCJul 12, 12:30 UTC1h 45m
2026-07-12 JAF14T - Jul 12, 07:15 UTCJul 12, 09:05 UTC1h 50m
2026-07-12 JAF1AE BRU → MAH Jul 12, 04:15 UTCJul 12, 06:10 UTC1h 55m
2026-07-11 JAF78M - Jul 11, 15:05 UTCJul 11, 17:35 UTC2h 30m
2026-07-11 JAF8EK - Jul 11, 11:10 UTCJul 11, 13:25 UTC2h 15m
2026-07-11 JAF3KT PMI → BRU Jul 11, 07:55 UTCJul 11, 09:50 UTC1h 55m
2026-07-11 JAF64L - Jul 11, 04:45 UTCJul 11, 06:40 UTC1h 55m
2026-07-10 JAF7PN NBE → BRU Jul 10, 17:05 UTCJul 10, 19:35 UTC2h 30m
2026-07-10 JAF2YX BRU → NBE Jul 10, 13:30 UTCJul 10, 16:00 UTC2h 30m
2026-07-10 JAF1YV - Jul 10, 11:40 UTCJul 10, 12:25 UTC45m
2026-07-10 JAF1YV - Jul 10, 09:05 UTCJul 10, 11:35 UTC2h 30m
2026-07-10 JAF3VE - Jul 10, 04:40 UTCJul 10, 07:30 UTC2h 50m
2026-07-09 JAF7FG - Jul 9, 19:40 UTCJul 9, 21:20 UTC1h 40m
2026-07-09 JAF63D - Jul 9, 16:55 UTCJul 9, 18:30 UTC1h 35m
2026-07-09 JAF63N - Jul 9, 09:30 UTCJul 9, 11:20 UTC1h 50m
2026-07-09 JAF68V - Jul 9, 06:00 UTCJul 9, 07:55 UTC1h 55m
2026-07-08 JAF9FB ALC → BRU Jul 8, 17:30 UTCJul 8, 19:35 UTC2h 5m
2026-07-08 JAF6LD - Jul 8, 13:45 UTCJul 8, 16:05 UTC2h 20m
2026-07-08 JAF78M - Jul 8, 08:15 UTCJul 8, 10:45 UTC2h 30m
2026-07-08 JAF8EK - Jul 8, 04:25 UTCJul 8, 06:35 UTC2h 10m
2026-07-07 JAF8WT IBZ → BRU Jul 7, 17:10 UTCJul 7, 19:20 UTC2h 10m

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

Mode-S 449681 frequently asked

What is Mode-S code 449681?
449681 is an ICAO 24-bit transponder address. Allocated to Belgium. Assigned to OO-ETA.
Where is Mode-S 449681 registered?
Mode-S code 449681 is allocated to Belgium (BE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 449681 broadcasting right now?
No active broadcast right now. Last signal was 59m ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 449681, octal 21113201, decimal 4,494,977.
What flights does 449681 operate?
Mode-S 449681 has broadcast 20 distinct callsigns, including JAF9CY, JAF6CE, JAF73H, JAF33A, JAF8WT.