Apparatus

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sensors Mode-S transponder

490D0F

ICAO 24-bit transponder address · allocated to Portugal

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

Hex
490D0F
Octal
22206417
Decimal
4,787,471
Country
PT
Tail
CS-CHO
Type
CL35
No current signal · last broadcast 5d ago
Flights observed
204
Distinct callsigns
20
Country
PT
Last broadcast
5d ago

Last known position

Most recent position reported by Mode-S 490D0F.

Country allocation

The ICAO 24-bit address 490D0F 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
NJE7BW - 12 2026-07-09
NJE894B - 3 2026-04-16
NJE863C - 3 2026-04-13
NJE719F - 3 2026-04-14
NJE854U - 2 2026-04-15
NJE845K - 2 2026-06-23
NJE823L - 2 2026-04-17
NJE791N - 2 2026-04-14
NJE682F - 2 2026-04-27
NJE677U - 2 2026-04-17
NJE658K - 2 2026-05-22
NJE608G - 2 2026-05-30
NJE593U - 2 2026-06-17
NJE498K - 2 2026-04-25
NJE300P - 2 2026-06-28
NJE294M - 2 2026-04-16
NJE150A - 2 2026-04-17
NJE121C - 2 2026-05-18
NJE072F - 2 2026-04-15
NJE052Y - 2 2026-04-28

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-09 NJE7BW DBV → LBG Jul 9, 12:40 UTCJul 9, 14:55 UTC2h 15m
2026-07-09 NJE055L - Jul 9, 08:35 UTCJul 9, 11:35 UTC3h 0m
2026-07-08 NJE205P BCN → CAT Jul 8, 15:35 UTCJul 8, 17:05 UTC1h 30m
2026-07-08 NJE736C - Jul 8, 12:00 UTCJul 8, 13:45 UTC1h 45m
2026-07-08 NJE575U - Jul 8, 08:05 UTCJul 8, 10:20 UTC2h 15m
2026-07-07 NJE389Q - Jul 7, 16:10 UTCJul 7, 18:50 UTC2h 40m
2026-07-07 NJE414N - Jul 7, 13:35 UTCJul 7, 14:25 UTC50m
2026-07-07 NJE587M - Jul 7, 11:25 UTCJul 7, 12:20 UTC55m
2026-07-06 NJE995P - Jul 6, 18:10 UTCJul 6, 19:10 UTC1h 0m
2026-07-06 NJE588B NCE → FKB Jul 6, 08:50 UTCJul 6, 09:50 UTC1h 0m
2026-07-05 NJE533V CEQ → NCE Jul 5, 17:30 UTCJul 5, 17:40 UTC10m
2026-07-05 NJE543E - Jul 5, 15:20 UTCJul 5, 16:10 UTC50m
2026-07-05 NJE116U - Jul 5, 12:50 UTCJul 5, 13:10 UTC20m
2026-07-05 NJE906Y RHO → GVA Jul 5, 06:50 UTCJul 5, 09:55 UTC3h 5m
2026-07-05 NJE310G SKG → RHO Jul 5, 05:05 UTCJul 5, 06:05 UTC1h 0m
2026-07-04 NJE435T - Jul 4, 13:50 UTCJul 4, 15:20 UTC1h 30m
2026-07-04 NJE670Y - Jul 4, 10:20 UTCJul 4, 12:30 UTC2h 10m
2026-07-03 NJE657L - Jul 3, 17:25 UTCJul 3, 17:35 UTC10m
2026-07-03 NJE911F - Jul 3, 14:35 UTCJul 3, 16:05 UTC1h 30m
2026-07-03 NJE631T - Jul 3, 11:35 UTCJul 3, 12:05 UTC30m
2026-07-03 NJE278T - Jul 3, 08:20 UTCJul 3, 08:55 UTC35m
2026-07-02 NJE791C - Jul 2, 11:50 UTCJul 2, 12:45 UTC55m
2026-07-02 NJE674D - Jul 2, 10:05 UTCJul 2, 10:50 UTC45m
2026-07-02 NJE237R BCN → VCE Jul 2, 06:41 UTCJul 2, 08:10 UTC1h 29m
2026-07-01 NJE565D CGN → BCN Jul 1, 11:20 UTCJul 1, 13:20 UTC2h 0m
2026-07-01 NJE754A - Jul 1, 07:10 UTCJul 1, 08:25 UTC1h 15m
2026-06-30 NJE116Y - Jun 30, 12:55 UTCJun 30, 13:55 UTC1h 0m
2026-06-30 NJE959M DUB → LBG Jun 30, 10:10 UTCJun 30, 11:30 UTC1h 20m
2026-06-29 NJE343H NCE → DUB Jun 29, 18:30 UTCJun 29, 20:44 UTC2h 15m
2026-06-29 NJE227W MXP → NCE Jun 29, 15:24 UTCJun 29, 16:04 UTC40m
2026-06-29 NJE851B LCY → MXP Jun 29, 11:14 UTCJun 29, 12:45 UTC1h 30m
2026-06-29 NJE246H ZRH → LCY Jun 29, 08:50 UTCJun 29, 10:00 UTC1h 10m
2026-06-28 NJE300P - Jun 28, 15:40 UTCJun 28, 17:30 UTC1h 50m
2026-06-28 NJE243B - Jun 28, 12:19 UTCJun 28, 12:44 UTC25m
2026-06-28 NJE656E - Jun 28, 08:55 UTCJun 28, 09:45 UTC50m
2026-06-28 NJE013U ZRH → PSA Jun 28, 06:10 UTCJun 28, 06:55 UTC45m
2026-06-27 NJE171W - Jun 27, 08:39 UTCJun 27, 09:44 UTC1h 5m
2026-06-27 NJE224Y - Jun 27, 04:39 UTCJun 27, 07:15 UTC2h 35m
2026-06-26 NJE754R - Jun 26, 08:50 UTCJun 26, 11:05 UTC2h 15m
2026-06-26 NJE474K - Jun 26, 06:39 UTCJun 26, 07:45 UTC1h 5m
2026-06-25 NJE152D LIN → BIA Jun 25, 15:40 UTCJun 25, 16:24 UTC45m
2026-06-25 NJE604H BCN → LIN Jun 25, 13:35 UTCJun 25, 14:39 UTC1h 5m
2026-06-25 NJE778H - Jun 25, 10:09 UTCJun 25, 10:45 UTC35m
2026-06-24 NJE792E - Jun 24, 15:05 UTCJun 24, 16:24 UTC1h 20m
2026-06-24 NJE279E - Jun 24, 11:20 UTCJun 24, 12:04 UTC45m
2026-06-23 NJE529K - Jun 23, 17:44 UTCJun 23, 19:44 UTC2h 0m
2026-06-23 NJE899T - Jun 23, 14:55 UTCJun 23, 15:55 UTC1h 0m
2026-06-23 NJE845K - Jun 23, 13:05 UTCJun 23, 14:04 UTC1h 0m
2026-06-23 NJE845K - Jun 23, 11:14 UTCJun 23, 12:49 UTC1h 35m
2026-06-21 NJE269M CGN → FAB Jun 21, 13:15 UTCJun 21, 14:19 UTC1h 5m

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

Mode-S 490D0F frequently asked

What is Mode-S code 490D0F?
490D0F is an ICAO 24-bit transponder address. Allocated to Portugal. Assigned to CS-CHO.
Where is Mode-S 490D0F registered?
Mode-S code 490D0F is allocated to Portugal (PT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 490D0F broadcasting right now?
No active broadcast right now. Last signal was 5d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 490D0F, octal 22206417, decimal 4,787,471.
What flights does 490D0F operate?
Mode-S 490D0F has broadcast 20 distinct callsigns, including NJE7BW, NJE894B, NJE863C, NJE719F, NJE854U.