sensors Mode-S transponder

494142

ICAO 24-bit transponder address · allocated to Portugal

Currently assigned to CS-PJB · EMBRAER EMB-505 Phenom 300

Hex
494142
Octal
22240502
Decimal
4,800,834
Country
PT
Tail
CS-PJB
Type
E55P
No current signal · last broadcast 15h ago
Flights observed
212
Distinct callsigns
20
Country
PT
Last broadcast
15h ago

Last known position

Most recent position reported by Mode-S 494142.

Country allocation

The ICAO 24-bit address 494142 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
NJE7TM - 13 2026-07-04
NJE011L - 3 2026-04-15
NJE006G - 3 2026-04-13
NJE927H - 2 2026-04-18
NJE893Q - 2 2026-04-29
NJE785G - 2 2026-06-04
NJE763N - 2 2026-05-16
NJE745Q - 2 2026-04-16
NJE741Q - 2 2026-04-18
NJE715G - 2 2026-04-14
NJE709A - 2 2026-06-25
NJE649B - 2 2026-04-15
NJE322T - 2 2026-04-25
NJE297F - 2 2026-04-16
NJE276G - 2 2026-04-17
NJE231E - 2 2026-04-24
NJE191G - 2 2026-04-14
NJE109G - 2 2026-04-14
NJU839M - 1 2026-05-15
NJE996K - 1 2026-06-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 NJE365R - Jul 13, 11:50 UTCJul 13, 12:25 UTC35m
2026-07-13 NJE426B - Jul 13, 08:30 UTCJul 13, 10:15 UTC1h 45m
2026-07-13 NJE538M - Jul 13, 05:40 UTCJul 13, 07:35 UTC1h 55m
2026-07-12 NJE429M - Jul 12, 14:01 UTCJul 12, 14:50 UTC50m
2026-07-11 NJE836T - Jul 11, 09:20 UTCJul 11, 10:55 UTC1h 35m
2026-07-11 NJE410U NCE → LTN Jul 11, 05:50 UTCJul 11, 07:40 UTC1h 50m
2026-07-09 NJE964L - Jul 9, 14:55 UTCJul 9, 16:10 UTC1h 15m
2026-07-09 NJE828K - Jul 9, 08:20 UTCJul 9, 11:15 UTC2h 55m
2026-07-09 NJE993F - Jul 9, 05:45 UTCJul 9, 07:30 UTC1h 45m
2026-07-08 NJE274F - Jul 8, 18:25 UTCJul 8, 20:10 UTC1h 45m
2026-07-08 NJE643D - Jul 8, 09:35 UTCJul 8, 09:55 UTC20m
2026-07-08 NJE415N - Jul 8, 07:50 UTCJul 8, 08:40 UTC50m
2026-07-07 NJE608D - Jul 7, 11:45 UTCJul 7, 12:35 UTC50m
2026-07-07 NJE751M - Jul 7, 08:20 UTCJul 7, 10:15 UTC1h 55m
2026-07-07 NJE040F - Jul 7, 05:55 UTCJul 7, 07:00 UTC1h 5m
2026-07-04 NJE7TM - Jul 4, 11:55 UTCJul 4, 12:40 UTC45m
2026-07-04 NJE7TM - Jul 4, 08:50 UTCJul 4, 11:00 UTC2h 10m
2026-07-03 NJE329A - Jul 3, 14:15 UTCJul 3, 15:00 UTC45m
2026-07-03 NJE546C - Jul 3, 12:00 UTCJul 3, 12:45 UTC45m
2026-07-03 NJE872Y - Jul 3, 09:30 UTCJul 3, 09:50 UTC20m
2026-07-02 NJE513V - Jul 2, 14:00 UTCJul 2, 15:50 UTC1h 50m
2026-07-02 NJE253M - Jul 2, 11:20 UTCJul 2, 12:15 UTC55m
2026-07-02 NJE695K - Jul 2, 07:55 UTCJul 2, 10:10 UTC2h 15m
2026-07-01 NJE7TM - Jul 1, 17:30 UTCJul 1, 18:10 UTC40m
2026-07-01 NJE430T - Jul 1, 10:25 UTCJul 1, 12:25 UTC2h 0m
2026-06-30 NJE198G BLQ → CAT Jun 30, 17:30 UTCJun 30, 20:10 UTC2h 40m
2026-06-30 NJE906B - Jun 30, 15:30 UTCJun 30, 16:00 UTC30m
2026-06-30 NJE894D - Jun 30, 13:50 UTCJun 30, 14:40 UTC50m
2026-06-30 NJE7TM - Jun 30, 09:30 UTCJun 30, 11:10 UTC1h 40m
2026-06-30 NJE832M NCE → LBG Jun 30, 07:20 UTCJun 30, 08:35 UTC1h 15m
2026-06-29 NJE558V CEQ → NCE Jun 29, 14:39 UTCJun 29, 15:00 UTC20m
2026-06-29 NJE433T - Jun 29, 11:20 UTCJun 29, 13:24 UTC2h 5m
2026-06-29 NJE854V - Jun 29, 08:09 UTCJun 29, 09:00 UTC50m
2026-06-29 NJE763V - Jun 29, 06:29 UTCJun 29, 07:05 UTC35m
2026-06-28 NJE647H - Jun 28, 16:29 UTCJun 28, 17:10 UTC40m
2026-06-28 NJE608B - Jun 28, 13:49 UTCJun 28, 14:39 UTC50m
2026-06-28 NJE854T ZRH → SZG Jun 28, 12:29 UTCJun 28, 13:10 UTC40m
2026-06-28 NJE349R - Jun 28, 09:45 UTCJun 28, 10:35 UTC50m
2026-06-27 NJE434W NCE → VCE Jun 27, 16:35 UTCJun 27, 17:20 UTC45m
2026-06-27 NJE121W - Jun 27, 14:05 UTCJun 27, 15:00 UTC55m
2026-06-27 NJE481M LIN → CIA Jun 27, 07:04 UTCJun 27, 07:55 UTC50m
2026-06-26 NJE967K - Jun 26, 15:29 UTCJun 26, 16:09 UTC40m
2026-06-26 NJE983Y - Jun 26, 13:40 UTCJun 26, 14:50 UTC1h 10m
2026-06-26 NJE628N - Jun 26, 10:25 UTCJun 26, 11:24 UTC1h 0m
2026-06-25 NJE709A - Jun 25, 16:59 UTCJun 25, 17:49 UTC50m
2026-06-25 NJE709A - Jun 25, 09:10 UTCJun 25, 09:55 UTC45m
2026-06-24 NJE912A - Jun 24, 17:20 UTCJun 24, 17:59 UTC40m
2026-06-24 NJE120V MAH → NHT Jun 24, 13:34 UTCJun 24, 15:44 UTC2h 10m
2026-06-24 NJE014G - Jun 24, 07:50 UTCJun 24, 08:09 UTC20m
2026-06-23 NJE527R - Jun 23, 14:55 UTCJun 23, 15:50 UTC55m

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

Mode-S 494142 frequently asked

What is Mode-S code 494142?
494142 is an ICAO 24-bit transponder address. Allocated to Portugal. Assigned to CS-PJB.
Where is Mode-S 494142 registered?
Mode-S code 494142 is allocated to Portugal (PT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 494142 broadcasting right now?
No active broadcast right now. Last signal was 15h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 494142, octal 22240502, decimal 4,800,834.
What flights does 494142 operate?
Mode-S 494142 has broadcast 20 distinct callsigns, including NJE7TM, NJE011L, NJE006G, NJE927H, NJE893Q.