sensors Mode-S transponder

44D1A5

ICAO 24-bit transponder address · allocated to Belgium

Currently assigned to OO-TME · BOEING 737 MAX 8

Hex
44D1A5
Octal
21150645
Decimal
4,510,117
Country
BE
Tail
OO-TME
Type
B38M
Broadcasting now · callsign JAF4PT · 36,550 ft
Flights observed
432
Distinct callsigns
20
Country
BE
Last broadcast
Jul 26, 19:25 UTC

Current position

44D1A5 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 44D1A5 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
JAF2JW Jetairfly 40 2026-07-25
JAF7CB Jetairfly 37 2026-07-25
JAF9WL - 24 2026-07-03
JAF59L - 23 2026-07-03
JAF95N - 22 2026-07-08
JAF8HC Jetairfly 21 2026-07-08
JAF6EJ - 15 2026-07-05
JAF1PJ - 15 2026-07-03
JAF58E - 11 2026-07-05
JAF9BX Jetairfly 10 2026-04-26
JAF9TC Jetairfly 9 2026-06-15
JAF59V - 9 2026-07-04
JAF63X - 8 2026-07-04
JAF3HX - 7 2026-07-15
JAF2HN Jetairfly 7 2026-06-19
JAF88H Jetairfly 6 2026-07-24
JAF7TJ Jetairfly 6 2026-06-24
JAF66L - 6 2026-07-15
JAF61K - 6 2026-07-18
JAF5HJ - 6 2026-07-18

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 JAF9FB - Jul 26, 17:05 UTCJul 26, 19:20 UTC2h 15m
2026-07-26 JAF6LD OST → ALC Jul 26, 13:45 UTCJul 26, 15:40 UTC1h 55m
2026-07-26 JAF99Y FAO → BRU Jul 26, 08:10 UTCJul 26, 10:50 UTC2h 40m
2026-07-26 JAF28Y - Jul 26, 04:35 UTCJul 26, 06:55 UTC2h 21m
2026-07-25 JAF5NB - Jul 25, 17:10 UTCJul 25, 19:40 UTC2h 30m
2026-07-25 JAF2JW OST → AGP Jul 25, 13:25 UTCJul 25, 15:55 UTC2h 30m
2026-07-25 JAF7CB BRU → GRO Jul 25, 09:50 UTCJul 25, 12:05 UTC2h 15m
2026-07-25 JAF4JG - Jul 25, 05:50 UTCJul 25, 08:25 UTC2h 35m
2026-07-24 JAF3EX TFS → LGG Jul 24, 16:50 UTCJul 24, 20:00 UTC3h 10m
2026-07-24 JAF40W - Jul 24, 15:50 UTCJul 24, 15:55 UTC5m
2026-07-24 JAF40W - Jul 24, 12:20 UTCJul 24, 15:10 UTC2h 50m
2026-07-24 JAF3NE AGP → BRU Jul 24, 08:35 UTCJul 24, 10:55 UTC2h 20m
2026-07-24 JAF88H BRU → AGP Jul 24, 04:40 UTCJul 24, 07:10 UTC2h 30m
2026-07-23 JAF9FB - Jul 23, 17:30 UTCJul 23, 19:35 UTC2h 5m
2026-07-23 JAF6LD OST → ALC Jul 23, 14:00 UTCJul 23, 16:10 UTC2h 10m
2026-07-23 JAF1DY - Jul 23, 10:15 UTCJul 23, 12:25 UTC2h 10m
2026-07-23 JAF1DY - Jul 23, 08:20 UTCJul 23, 08:45 UTC25m
2026-07-23 JAF1DY - Jul 23, 04:40 UTCJul 23, 07:00 UTC2h 20m
2026-07-22 JAF38Y - Jul 22, 17:15 UTCJul 22, 19:55 UTC2h 40m
2026-07-22 JAF1BH - Jul 22, 12:10 UTCJul 22, 15:15 UTC3h 5m
2026-07-22 JAF6NT BRU → PRN Jul 22, 04:35 UTCJul 22, 05:25 UTC50m
2026-07-21 JAF2EV HRG → BRU Jul 21, 12:25 UTCJul 21, 23:10 UTC10h 45m
2026-07-21 JAF3EM CFU → BRU Jul 21, 08:45 UTCJul 21, 11:10 UTC2h 25m
2026-07-21 JAF9NV BRU → CFU Jul 21, 04:45 UTCJul 21, 06:45 UTC2h 0m
2026-07-20 JAF11G RHO → BRU Jul 20, 18:55 UTCJul 20, 22:15 UTC3h 20m
2026-07-20 TFL4DM AMS → RHO Jul 20, 14:35 UTCJul 20, 17:45 UTC3h 10m
2026-07-20 TFL62X - Jul 20, 09:20 UTCJul 20, 12:55 UTC3h 35m
2026-07-20 JAF4AB BRU → RHO Jul 20, 04:25 UTCJul 20, 07:30 UTC3h 5m
2026-07-19 JAF3WG - Jul 19, 16:20 UTCJul 19, 19:05 UTC2h 45m
2026-07-19 JAF2LG - Jul 19, 11:50 UTCJul 19, 14:55 UTC3h 5m
2026-07-19 JAF63N LPA → OST Jul 19, 08:25 UTCJul 19, 10:25 UTC2h 0m
2026-07-19 JAF68V - Jul 19, 04:20 UTCJul 19, 06:30 UTC2h 10m
2026-07-18 JAF61K - Jul 18, 19:00 UTCJul 18, 22:30 UTC3h 30m
2026-07-18 JAF5HJ - Jul 18, 13:20 UTCJul 18, 17:25 UTC4h 5m
2026-07-18 JAF3NE - Jul 18, 08:15 UTCJul 18, 10:35 UTC2h 20m
2026-07-18 JAF88H BRU → AGP Jul 18, 04:30 UTCJul 18, 06:55 UTC2h 25m
2026-07-17 JAF61K - Jul 17, 17:20 UTCJul 17, 20:55 UTC3h 35m
2026-07-17 JAF5HJ - Jul 17, 11:45 UTCJul 17, 15:49 UTC4h 5m
2026-07-17 JAF8WT - Jul 17, 07:40 UTCJul 17, 09:35 UTC1h 55m
2026-07-17 JAF50K BRU → IBZ Jul 17, 04:14 UTCJul 17, 06:20 UTC2h 5m
2026-07-16 JAF2EV BRU → BRU Jul 16, 11:30 UTCJul 16, 22:15 UTC10h 45m
2026-07-16 JAF8WT - Jul 16, 08:05 UTCJul 16, 09:50 UTC1h 45m
2026-07-16 JAF50K BRU → IBZ Jul 16, 04:45 UTCJul 16, 06:55 UTC2h 10m
2026-07-15 JAF1YV - Jul 15, 16:40 UTCJul 15, 20:10 UTC3h 30m
2026-07-15 JAF3VE - Jul 15, 12:25 UTCJul 15, 15:10 UTC2h 45m
2026-07-15 JAF66L - Jul 15, 08:20 UTCJul 15, 10:40 UTC2h 20m
2026-07-15 JAF3HX BRU → ALC Jul 15, 04:45 UTCJul 15, 07:00 UTC2h 15m
2026-07-14 JAF9LD - Jul 14, 18:25 UTCJul 14, 20:45 UTC2h 20m
2026-07-14 JAF3FD - Jul 14, 14:35 UTCJul 14, 16:55 UTC2h 20m
2026-07-14 JAF11G - Jul 14, 09:30 UTCJul 14, 13:10 UTC3h 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-TME page for operator, model, and routing details .

Mode-S 44D1A5 frequently asked

What is Mode-S code 44D1A5?
44D1A5 is an ICAO 24-bit transponder address. Allocated to Belgium. Assigned to OO-TME.
Where is Mode-S 44D1A5 registered?
Mode-S code 44D1A5 is allocated to Belgium (BE). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 44D1A5 broadcasting right now?
Yes. Mode-S 44D1A5 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 44D1A5, octal 21150645, decimal 4,510,117.
What flights does 44D1A5 operate?
Mode-S 44D1A5 has broadcast 20 distinct callsigns, including JAF2JW, JAF7CB, JAF9WL, JAF59L, JAF95N.