sensors Mode-S transponder

490D09

ICAO 24-bit transponder address · allocated to Portugal

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

Hex
490D09
Octal
22206411
Decimal
4,787,465
Country
PT
Tail
CS-CHI
Type
CL35
No current signal · last broadcast 1d ago
Flights observed
250
Distinct callsigns
20
Country
PT
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 490D09.

Country allocation

The ICAO 24-bit address 490D09 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
NJE7QF - 21 2026-07-25
NJE662W - 3 2026-04-28
NJE943F - 2 2026-06-11
NJE909A - 2 2026-05-13
NJE890H - 2 2026-07-09
NJE802C - 2 2026-06-21
NJE748D - 2 2026-05-26
NJE683E - 2 2026-07-05
NJE032K - 2 2026-05-07
NJU927K - 1 2026-06-01
NJU030W - 1 2026-07-02
NJE993M - 1 2026-05-22
NJE983L - 1 2026-05-15
NJE981C - 1 2026-07-05
NJE978N - 1 2026-07-14
NJE970R - 1 2026-05-30
NJE968R - 1 2026-05-02
NJE960Q - 1 2026-06-30
NJE959E - 1 2026-05-04
NJE950A - 1 2026-05-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 NJE947V - Jul 26, 17:10 UTCJul 26, 17:50 UTC40m
2026-07-26 NJE511D - Jul 26, 12:45 UTCJul 26, 13:20 UTC35m
2026-07-26 NJE367H - Jul 26, 10:15 UTCJul 26, 11:15 UTC1h 0m
2026-07-26 NJE149Y - Jul 26, 07:35 UTCJul 26, 08:50 UTC1h 15m
2026-07-25 NJE630D - Jul 25, 16:50 UTCJul 25, 17:50 UTC1h 0m
2026-07-25 NJE564Q - Jul 25, 12:20 UTCJul 25, 15:25 UTC3h 5m
2026-07-25 NJE7QF BQH → FAB Jul 25, 09:40 UTCJul 25, 10:20 UTC40m
2026-07-20 NJE7QF - Jul 20, 13:20 UTCJul 20, 15:05 UTC1h 45m
2026-07-20 NJE018L - Jul 20, 10:40 UTCJul 20, 12:20 UTC1h 40m
2026-07-20 NJE924K LCY → FAB Jul 20, 08:00 UTCJul 20, 08:30 UTC30m
2026-07-19 NJE179W - Jul 19, 18:10 UTCJul 19, 19:00 UTC50m
2026-07-19 NJE012W - Jul 19, 15:35 UTCJul 19, 17:20 UTC1h 45m
2026-07-18 NJE906F - Jul 18, 18:45 UTCJul 18, 21:00 UTC2h 15m
2026-07-18 NJE524E - Jul 18, 13:30 UTCJul 18, 13:50 UTC20m
2026-07-18 NJE390Y - Jul 18, 11:10 UTCJul 18, 12:10 UTC1h 0m
2026-07-17 NJE713L - Jul 17, 14:20 UTCJul 17, 15:10 UTC50m
2026-07-17 NJE576H - Jul 17, 11:30 UTCJul 17, 12:04 UTC35m
2026-07-17 NJE268L - Jul 17, 08:20 UTCJul 17, 09:50 UTC1h 30m
2026-07-16 NJE292N - Jul 16, 15:35 UTCJul 16, 16:40 UTC1h 5m
2026-07-15 NJE155L BRU → LBG Jul 15, 17:30 UTCJul 15, 18:15 UTC45m
2026-07-15 NJE115P - Jul 15, 15:15 UTCJul 15, 16:15 UTC1h 0m
2026-07-15 NJE592M BRU → LEJ Jul 15, 06:10 UTCJul 15, 07:00 UTC50m
2026-07-14 NJE258P - Jul 14, 16:00 UTCJul 14, 16:30 UTC30m
2026-07-14 NJE574K - Jul 14, 13:20 UTCJul 14, 14:15 UTC55m
2026-07-14 NJE978N - Jul 14, 08:30 UTCJul 14, 12:05 UTC3h 35m
2026-07-13 NJE122K - Jul 13, 14:45 UTCJul 13, 15:35 UTC50m
2026-07-13 NJE481M - Jul 13, 08:01 UTCJul 13, 09:25 UTC1h 25m
2026-07-13 NJE768L - Jul 13, 06:20 UTCJul 13, 06:45 UTC25m
2026-07-12 NJE384N - Jul 12, 13:10 UTCJul 12, 15:10 UTC2h 0m
2026-07-12 NJE095M - Jul 12, 08:15 UTCJul 12, 11:40 UTC3h 25m
2026-07-11 NJE905E DBV → CAT Jul 11, 13:20 UTCJul 11, 16:40 UTC3h 20m
2026-07-11 NJE712E MAD → DBV Jul 11, 09:35 UTCJul 11, 11:50 UTC2h 15m
2026-07-10 NJE550A MUC → MAD Jul 10, 16:35 UTCJul 10, 18:45 UTC2h 10m
2026-07-10 NJE225T - Jul 10, 13:05 UTCJul 10, 13:45 UTC40m
2026-07-10 NJE064Q - Jul 10, 10:35 UTCJul 10, 12:00 UTC1h 25m
2026-07-10 NJE932K - Jul 10, 07:55 UTCJul 10, 08:50 UTC55m
2026-07-09 NJE018M - Jul 9, 14:20 UTCJul 9, 16:35 UTC2h 15m
2026-07-09 NJE7QF AMS → TLL Jul 9, 11:00 UTCJul 9, 13:00 UTC2h 0m
2026-07-09 NJE890H - Jul 9, 08:15 UTCJul 9, 09:45 UTC1h 30m
2026-07-09 NJE442M - Jul 9, 06:00 UTCJul 9, 06:40 UTC40m
2026-07-08 NJE708A MXP → GVA Jul 8, 14:05 UTCJul 8, 14:40 UTC35m
2026-07-08 NJE7QF - Jul 8, 09:55 UTCJul 8, 11:00 UTC1h 5m
2026-07-08 NJE330L - Jul 8, 07:25 UTCJul 8, 08:20 UTC55m
2026-07-07 NJE295R - Jul 7, 08:10 UTCJul 7, 09:05 UTC55m
2026-07-07 NJE7QF - Jul 7, 04:10 UTCJul 7, 06:20 UTC2h 10m
2026-07-06 NJE303C - Jul 6, 10:50 UTCJul 6, 13:30 UTC2h 40m
2026-07-06 NJE7QF LIN → FAB Jul 6, 07:45 UTCJul 6, 09:20 UTC1h 35m
2026-07-05 NJE683E MST → LIN Jul 5, 14:30 UTCJul 5, 15:30 UTC1h 0m
2026-07-05 NJE683E - Jul 5, 11:20 UTCJul 5, 12:15 UTC55m
2026-07-05 NJE981C ZRH → FAB Jul 5, 08:10 UTCJul 5, 09:50 UTC1h 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 CS-CHI page for operator, model, and routing details .

Mode-S 490D09 frequently asked

What is Mode-S code 490D09?
490D09 is an ICAO 24-bit transponder address. Allocated to Portugal. Assigned to CS-CHI.
Where is Mode-S 490D09 registered?
Mode-S code 490D09 is allocated to Portugal (PT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 490D09 broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 490D09, octal 22206411, decimal 4,787,465.
What flights does 490D09 operate?
Mode-S 490D09 has broadcast 20 distinct callsigns, including NJE7QF, NJE662W, NJE943F, NJE909A, NJE890H.