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sensors Mode-S transponder

495306

ICAO 24-bit transponder address · allocated to Portugal

Currently assigned to CS-TXF · AIRBUS A-321neo

Hex
495306
Octal
22251406
Decimal
4,805,382
Country
PT
Tail
CS-TXF
Type
A21N
No current signal · last broadcast Jul 26, 18:30 UTC
Flights observed
283
Distinct callsigns
20
Country
PT
Last broadcast
Jul 26, 18:30 UTC

Last known position

Most recent position reported by Mode-S 495306.

Country allocation

The ICAO 24-bit address 495306 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
TAP201 - 20 2026-07-10
TAP202A - 18 2026-07-10
TAP234Y TAP Portugal 15 2026-07-25
TAP233 TAP Portugal 13 2026-07-24
TAP262M - 9 2026-07-14
TAP261 - 9 2026-07-13
TAP25YZ - 8 2026-07-12
TAP257N - 8 2026-07-12
TAP218 - 8 2026-07-15
TAP217C - 7 2026-07-15
TAP215 TAP Portugal 7 2026-07-25
TAP15NC - 7 2026-07-14
TAP14NC - 7 2026-07-14
TAP216L - 6 2026-07-15
TAP211 TAP Portugal 6 2026-07-26
TAP1703 - 6 2026-07-26
TAP7AB - 5 2026-07-07
TAP571 - 5 2026-07-07
TAP254 TAP Portugal 5 2026-07-24
TAP212 TAP Portugal 5 2026-07-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 TAP211 OPO → EWR Jul 26, 17:55 UTCJul 26, 18:30 UTC35m
2026-07-26 TAP1704 FNC → OPO Jul 26, 14:20 UTCJul 26, 16:00 UTC1h 40m
2026-07-26 TAP1703 OPO → FNC Jul 26, 11:20 UTCJul 26, 13:20 UTC2h 0m
2026-07-26 TAP228 BOS → OPO Jul 26, 03:20 UTCJul 26, 09:35 UTC6h 16m
2026-07-25 TAP215 LIS → BOS Jul 25, 18:00 UTCJul 26, 00:20 UTC6h 20m
2026-07-25 TAP1929 OPO → LIS Jul 25, 15:20 UTCJul 25, 16:15 UTC55m
2026-07-25 TAP1928 LIS → OPO Jul 25, 12:55 UTCJul 25, 13:30 UTC35m
2026-07-25 TAP234Y IAD → LIS Jul 25, 03:10 UTCJul 25, 10:10 UTC7h 0m
2026-07-24 TAP233 RAK → LIS Jul 24, 16:40 UTCJul 25, 00:05 UTC7h 25m
2026-07-24 TAP254 YUL → LIS Jul 24, 04:00 UTCJul 24, 09:30 UTC5h 30m
2026-07-24 TAP254 YUL → LIS Jul 24, 03:05 UTCJul 24, 03:55 UTC50m
2026-07-23 TAP253R LIS → YUL Jul 23, 18:00 UTCJul 24, 00:40 UTC6h 40m
2026-07-23 TAP1929 OPO → LIS Jul 23, 15:15 UTCJul 23, 16:00 UTC45m
2026-07-23 TAP212 EWR → OPO Jul 23, 03:30 UTCJul 23, 09:45 UTC6h 15m
2026-07-22 TAP211 OPO → EWR Jul 22, 18:05 UTCJul 23, 01:15 UTC7h 10m
2026-07-22 TAP1704 FNC → OPO Jul 22, 14:50 UTCJul 22, 16:25 UTC1h 35m
2026-07-22 TAP1703 - Jul 22, 13:45 UTCJul 22, 13:55 UTC10m
2026-07-22 TAP1703 - Jul 22, 12:05 UTCJul 22, 13:00 UTC55m
2026-07-21 TAP212 EWR → OPO Jul 21, 04:10 UTCJul 21, 10:40 UTC6h 30m
2026-07-20 TAP211 OPO → EWR Jul 20, 17:45 UTCJul 21, 01:05 UTC7h 19m
2026-07-20 TAP212 EWR → OPO Jul 20, 04:25 UTCJul 20, 10:55 UTC6h 30m
2026-07-19 TAP211 OPO → EWR Jul 19, 17:50 UTCJul 20, 01:05 UTC7h 15m
2026-07-19 TAP1704 FNC → OPO Jul 19, 14:10 UTCJul 19, 15:50 UTC1h 40m
2026-07-19 TAP1703 OPO → FNC Jul 19, 11:35 UTCJul 19, 13:20 UTC1h 45m
2026-07-19 TAP228 BOS → OPO Jul 19, 03:35 UTCJul 19, 09:30 UTC5h 55m
2026-07-18 TAP227 OPO → BOS Jul 18, 17:10 UTCJul 18, 23:55 UTC6h 45m
2026-07-18 TAP212 - Jul 18, 03:45 UTCJul 18, 10:05 UTC6h 20m
2026-07-17 TAP211 OPO → EWR Jul 17, 18:00 UTCJul 18, 01:15 UTC7h 15m
2026-07-17 TAP1704 FNC → OPO Jul 17, 14:24 UTCJul 17, 16:00 UTC1h 35m
2026-07-17 TAP1703 - Jul 17, 13:10 UTCJul 17, 13:20 UTC10m
2026-07-17 TAP1703 - Jul 17, 11:35 UTCJul 17, 12:35 UTC1h 0m
2026-07-17 TAP212 - Jul 17, 03:30 UTCJul 17, 09:55 UTC6h 25m
2026-07-16 TAP211 OPO → EWR Jul 16, 17:35 UTCJul 17, 01:00 UTC7h 25m
2026-07-16 TAP1928 LIS → OPO Jul 16, 15:05 UTCJul 16, 15:40 UTC35m
2026-07-15 TAP218 - Jul 15, 22:50 UTCJul 16, 04:35 UTC5h 45m
2026-07-15 TAP218 BOS → BOS Jul 15, 22:30 UTCJul 15, 22:35 UTC5m
2026-07-15 TAP217C LIS → BOS Jul 15, 11:35 UTCJul 15, 18:30 UTC6h 55m
2026-07-15 TAP216L BOS → LIS Jul 15, 02:55 UTCJul 15, 09:05 UTC6h 10m
2026-07-14 TAP215 LIS → BOS Jul 14, 17:45 UTCJul 15, 00:15 UTC6h 29m
2026-07-14 TAP15NC - Jul 14, 14:50 UTCJul 14, 16:00 UTC1h 10m
2026-07-14 TAP14NC LIS → MAD Jul 14, 12:40 UTCJul 14, 13:35 UTC55m
2026-07-14 TAP262M YYZ → LIS Jul 14, 03:10 UTCJul 14, 10:25 UTC7h 15m
2026-07-13 TAP261 LIS → YYZ Jul 13, 17:35 UTCJul 14, 01:00 UTC7h 25m
2026-07-13 TAP31DB BER → LIS Jul 13, 12:20 UTCJul 13, 15:50 UTC3h 30m
2026-07-13 TAP53LB - Jul 13, 07:20 UTCJul 13, 10:30 UTC3h 10m
2026-07-12 TAP25YZ YYZ → LIS Jul 12, 22:00 UTCJul 13, 04:50 UTC6h 50m
2026-07-12 TAP257N LIS → YYZ Jul 12, 10:25 UTCJul 12, 17:50 UTC7h 25m
2026-07-12 TAP006 - Jul 12, 00:40 UTCJul 12, 07:20 UTC6h 40m
2026-07-11 TAP007 - Jul 11, 19:45 UTCJul 11, 19:55 UTC10m
2026-07-11 TAP007 - Jul 11, 11:30 UTCJul 11, 13:20 UTC1h 50m

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

Mode-S 495306 frequently asked

What is Mode-S code 495306?
495306 is an ICAO 24-bit transponder address. Allocated to Portugal. Assigned to CS-TXF.
Where is Mode-S 495306 registered?
Mode-S code 495306 is allocated to Portugal (PT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 495306 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 18:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 495306, octal 22251406, decimal 4,805,382.
What flights does 495306 operate?
Mode-S 495306 has broadcast 20 distinct callsigns, including TAP201, TAP202A, TAP234Y, TAP233, TAP262M.