sensors Mode-S transponder

490D02

ICAO 24-bit transponder address · allocated to Portugal

Currently assigned to CS-CHB · BOMBARDIER BD-100 Challenger 350

Hex
490D02
Octal
22206402
Decimal
4,787,458
Country
PT
Tail
CS-CHB
Type
CL35
No current signal · last broadcast 3d ago
Flights observed
132
Distinct callsigns
20
Country
PT
Last broadcast
3d ago

Last known position

Most recent position reported by Mode-S 490D02.

Country allocation

The ICAO 24-bit address 490D02 falls within the block assigned to Portugal (PT) by ICAO Annex 10, Volume III. Every aircraft registered in Portugal 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
NJE6RA - 4 2026-07-04
NJE426L - 3 2026-06-13
NJE245H - 3 2026-07-11
NJE830R - 2 2026-06-22
NJE543H - 2 2026-07-23
NJE309N - 2 2026-06-14
NJU161L - 1 2026-05-02
NJE980U - 1 2026-06-25
NJE979R - 1 2026-07-09
NJE979C - 1 2026-07-13
NJE969R - 1 2026-07-02
NJE968Y - 1 2026-06-30
NJE944K - 1 2026-06-19
NJE916U - 1 2026-07-10
NJE916T - 1 2026-05-03
NJE916M - 1 2026-04-28
NJE905D - 1 2026-05-02
NJE895C - 1 2026-07-05
NJE891W - 1 2026-07-15
NJE887Y - 1 2026-06-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 NJE456P - Jul 25, 10:15 UTCJul 25, 11:05 UTC50m
2026-07-25 NJE833K LYN → LCY Jul 25, 08:00 UTCJul 25, 09:10 UTC1h 10m
2026-07-25 NJE675T - Jul 25, 05:20 UTCJul 25, 06:25 UTC1h 5m
2026-07-24 NJE607G - Jul 24, 14:50 UTCJul 24, 15:45 UTC55m
2026-07-24 NJE224V - Jul 24, 11:40 UTCJul 24, 12:10 UTC30m
2026-07-24 NJE475Q - Jul 24, 09:30 UTCJul 24, 10:25 UTC55m
2026-07-23 NJE543H - Jul 23, 16:10 UTCJul 23, 18:20 UTC2h 10m
2026-07-23 NJE543H - Jul 23, 13:25 UTCJul 23, 15:15 UTC1h 50m
2026-07-18 NJE134N - Jul 18, 11:45 UTCJul 18, 13:10 UTC1h 25m
2026-07-18 NJE755N KRS → BQH Jul 18, 08:40 UTCJul 18, 10:10 UTC1h 30m
2026-07-17 NJE056D - Jul 17, 15:10 UTCJul 17, 17:44 UTC2h 35m
2026-07-17 NJE669W - Jul 17, 11:15 UTCJul 17, 12:10 UTC55m
2026-07-17 NJE570T - Jul 17, 07:44 UTCJul 17, 09:15 UTC1h 30m
2026-07-15 NJE891W FAB → AMS Jul 15, 16:20 UTCJul 15, 17:10 UTC50m
2026-07-15 NJE056G CGN → FAB Jul 15, 13:05 UTCJul 15, 14:10 UTC1h 5m
2026-07-15 NJE253Y - Jul 15, 10:45 UTCJul 15, 11:45 UTC1h 0m
2026-07-14 NJE620R CFE → LTN Jul 14, 19:25 UTCJul 14, 20:35 UTC1h 10m
2026-07-14 NJE349A - Jul 14, 18:00 UTCJul 14, 18:40 UTC40m
2026-07-14 NJE259U ZRH → LBG Jul 14, 13:15 UTCJul 14, 14:25 UTC1h 10m
2026-07-14 NJE014H PRG → ZRH Jul 14, 10:25 UTCJul 14, 11:20 UTC55m
2026-07-13 NJE269Y - Jul 13, 14:30 UTCJul 13, 15:55 UTC1h 25m
2026-07-13 NJE979C - Jul 13, 11:30 UTCJul 13, 12:50 UTC1h 20m
2026-07-13 NJE398P - Jul 13, 09:10 UTCJul 13, 09:55 UTC45m
2026-07-12 NJE160F LUX → STN Jul 12, 18:55 UTCJul 12, 19:50 UTC55m
2026-07-12 NJE653K CEQ → LUX Jul 12, 17:01 UTCJul 12, 18:05 UTC1h 5m
2026-07-12 NJE514F - Jul 12, 14:05 UTCJul 12, 15:10 UTC1h 5m
2026-07-12 NJE352R HAM → SZG Jul 12, 10:40 UTCJul 12, 11:40 UTC1h 0m
2026-07-11 NJE245H - Jul 11, 15:30 UTCJul 11, 17:15 UTC1h 45m
2026-07-11 NJE245H - Jul 11, 12:30 UTCJul 11, 14:35 UTC2h 5m
2026-07-11 NJE245H - Jul 11, 09:40 UTCJul 11, 11:10 UTC1h 30m
2026-07-10 NJE916U BRN → CEQ Jul 10, 17:15 UTCJul 10, 18:15 UTC1h 0m
2026-07-10 NJE087R - Jul 10, 14:35 UTCJul 10, 15:55 UTC1h 20m
2026-07-10 NJE474R ATH → FAB Jul 10, 09:15 UTCJul 10, 12:45 UTC3h 30m
2026-07-09 NJE803H BGO → ATH Jul 9, 11:35 UTCJul 9, 14:55 UTC3h 20m
2026-07-09 NJE979R BRE → BGO Jul 9, 09:00 UTCJul 9, 10:10 UTC1h 10m
2026-07-08 NJE820A - Jul 8, 16:20 UTCJul 8, 18:40 UTC2h 20m
2026-07-08 NJE748U - Jul 8, 10:05 UTCJul 8, 12:00 UTC1h 55m
2026-07-07 NJE116M EDI → LTN Jul 7, 15:10 UTCJul 7, 16:00 UTC50m
2026-07-06 NJE772M ZRH → EDI Jul 6, 13:30 UTCJul 6, 15:35 UTC2h 5m
2026-07-06 NJE645W - Jul 6, 08:45 UTCJul 6, 10:35 UTC1h 50m
2026-07-06 NJE276B - Jul 6, 05:45 UTCJul 6, 06:50 UTC1h 5m
2026-07-05 NJE895C BCN → GVA Jul 5, 18:25 UTCJul 5, 19:35 UTC1h 10m
2026-07-05 NJE481G - Jul 5, 12:10 UTCJul 5, 12:40 UTC30m
2026-07-05 NJE527L - Jul 5, 09:05 UTCJul 5, 10:35 UTC1h 30m
2026-07-05 NJE819R DBV → ZRH Jul 5, 06:00 UTCJul 5, 07:30 UTC1h 30m
2026-07-04 NJE6RA - Jul 4, 12:05 UTCJul 4, 13:25 UTC1h 20m
2026-07-04 NJE057A - Jul 4, 07:25 UTCJul 4, 08:25 UTC1h 0m
2026-07-03 NJE349Y - Jul 3, 16:30 UTCJul 3, 17:20 UTC50m
2026-07-02 NJE969R - Jul 2, 17:50 UTCJul 2, 19:45 UTC1h 55m
2026-07-01 NJE361R - Jul 1, 20:10 UTCJul 1, 22:20 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 CS-CHB page for operator, model, and routing details .

Mode-S 490D02 frequently asked

What is Mode-S code 490D02?
490D02 is an ICAO 24-bit transponder address. Allocated to Portugal. Assigned to CS-CHB.
Where is Mode-S 490D02 registered?
Mode-S code 490D02 is allocated to Portugal (PT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 490D02 broadcasting right now?
No active broadcast right now. Last signal was 3d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 490D02, octal 22206402, decimal 4,787,458.
What flights does 490D02 operate?
Mode-S 490D02 has broadcast 20 distinct callsigns, including NJE6RA, NJE426L, NJE245H, NJE830R, NJE543H.