Apparatus

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sensors Mode-S transponder

49530B

ICAO 24-bit transponder address · allocated to Portugal

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

Hex
49530B
Octal
22251413
Decimal
4,805,387
Country
PT
Tail
CS-TXK
Type
A21N
No current signal · last broadcast Jul 26, 22:45 UTC
Flights observed
302
Distinct callsigns
20
Country
PT
Last broadcast
Jul 26, 22:45 UTC

Last known position

Most recent position reported by Mode-S 49530B.

Country allocation

The ICAO 24-bit address 49530B 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
TAP216L TAP Portugal 12 2026-07-26
TAP215 TAP Portugal 12 2026-07-22
TAP212 TAP Portugal 12 2026-07-25
TAP232Y - 11 2026-07-01
TAP231P - 11 2026-07-01
TAP211 TAP Portugal 11 2026-07-24
TAP262M - 10 2026-07-13
TAP261 - 9 2026-07-12
TAP201 - 9 2026-07-13
TAP218 TAP Portugal 8 2026-07-26
TAP217C TAP Portugal 8 2026-07-26
TAP202A - 8 2026-07-13
TAP1703 - 7 2026-07-24
TAP015 - 7 2026-07-11
TAP257N - 6 2026-07-17
TAP234Y TAP Portugal 6 2026-07-21
TAP233 TAP Portugal 6 2026-07-20
TAP1704 - 6 2026-07-24
TAP25YZ - 5 2026-07-17
TAP227 TAP Portugal 5 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 TAP218 BOS → LIS Jul 26, 22:15 UTCJul 26, 22:45 UTC30m
2026-07-26 TAP217C LIS → BOS Jul 26, 11:10 UTCJul 26, 17:45 UTC6h 35m
2026-07-26 TAP216L BOS → LIS Jul 26, 03:00 UTCJul 26, 09:30 UTC6h 31m
2026-07-25 TAP227 OPO → BOS Jul 25, 17:00 UTCJul 25, 23:30 UTC6h 30m
2026-07-25 TAP9264 EWR → LIS Jul 25, 14:25 UTCJul 25, 15:05 UTC40m
2026-07-25 TAP27PS OPO → LIS Jul 25, 12:10 UTCJul 25, 13:00 UTC50m
2026-07-25 TAP212 EWR → OPO Jul 25, 03:25 UTCJul 25, 10:00 UTC6h 35m
2026-07-24 TAP211 OPO → EWR Jul 24, 18:45 UTCJul 25, 01:40 UTC6h 55m
2026-07-24 TAP1704 FNC → OPO Jul 24, 14:30 UTCJul 24, 16:00 UTC1h 30m
2026-07-24 TAP1703 - Jul 24, 13:25 UTCJul 24, 13:35 UTC10m
2026-07-24 TAP1703 - Jul 24, 11:45 UTCJul 24, 12:45 UTC1h 0m
2026-07-24 TAP212 EWR → OPO Jul 24, 03:25 UTCJul 24, 09:50 UTC6h 25m
2026-07-23 TAP211 OPO → EWR Jul 23, 17:35 UTCJul 24, 00:35 UTC7h 0m
2026-07-23 TAP1928 LIS → OPO Jul 23, 13:35 UTCJul 23, 14:15 UTC40m
2026-07-23 TAP216L BOS → LIS Jul 23, 03:30 UTCJul 23, 09:45 UTC6h 15m
2026-07-22 TAP215 LIS → BOS Jul 22, 17:15 UTCJul 22, 23:55 UTC6h 40m
2026-07-21 TAP1532 TMS → LIS Jul 21, 23:20 UTCJul 22, 14:35 UTC15h 15m
2026-07-21 TAP671 AMS → LIS Jul 21, 15:45 UTCJul 21, 18:30 UTC2h 45m
2026-07-21 TAP670 LIS → AMS Jul 21, 11:55 UTCJul 21, 14:25 UTC2h 30m
2026-07-21 TAP234Y IAD → LIS Jul 21, 03:25 UTCJul 21, 10:15 UTC6h 50m
2026-07-20 TAP233 RAK → LIS Jul 20, 16:35 UTCJul 21, 00:05 UTC7h 30m
2026-07-19 TAP008 - Jul 19, 18:50 UTCJul 20, 14:10 UTC19h 20m
2026-07-19 TAP008 LIS → LIS Jul 19, 17:20 UTCJul 20, 14:10 UTC20h 50m
2026-07-19 TAP571 FRA → LIS Jul 19, 12:05 UTCJul 19, 15:10 UTC3h 5m
2026-07-19 TAP7AB - Jul 19, 07:50 UTCJul 19, 10:15 UTC2h 25m
2026-07-18 TAP218 BOS → LIS Jul 18, 22:20 UTCJul 19, 04:15 UTC5h 55m
2026-07-18 TAP217C LIS → BOS Jul 18, 11:40 UTCJul 18, 18:45 UTC7h 5m
2026-07-17 TAP25YZ YYZ → LIS Jul 17, 22:00 UTCJul 18, 04:45 UTC6h 46m
2026-07-17 TAP257N LIS → YYZ Jul 17, 11:10 UTCJul 17, 18:40 UTC7h 30m
2026-07-16 TAP006 - Jul 16, 12:49 UTCJul 17, 07:44 UTC18h 55m
2026-07-16 TAP007 LIS → LIS Jul 16, 11:10 UTCJul 17, 07:44 UTC20h 35m
2026-07-16 TAP254 YUL → LIS Jul 16, 03:00 UTCJul 16, 09:00 UTC6h 0m
2026-07-15 TAP253R LIS → YUL Jul 15, 17:30 UTCJul 16, 00:15 UTC6h 45m
2026-07-14 TAP25YZ YYZ → LIS Jul 14, 22:20 UTCJul 15, 05:15 UTC6h 54m
2026-07-14 TAP257N LIS → YYZ Jul 14, 10:10 UTCJul 14, 17:40 UTC7h 30m
2026-07-13 TAP202A EWR → LIS Jul 13, 22:00 UTCJul 14, 04:35 UTC6h 35m
2026-07-13 TAP201 LIS → EWR Jul 13, 12:20 UTCJul 13, 19:30 UTC7h 10m
2026-07-13 TAP262M YYZ → LIS Jul 13, 03:10 UTCJul 13, 10:15 UTC7h 5m
2026-07-12 TAP261 LIS → YYZ Jul 12, 17:10 UTCJul 13, 00:35 UTC7h 25m
2026-07-12 TAP016 - Jul 12, 07:45 UTCJul 12, 14:55 UTC7h 10m
2026-07-11 TAP015 - Jul 11, 22:10 UTCJul 12, 05:30 UTC7h 20m
2026-07-11 TAP1862 - Jul 11, 18:05 UTCJul 11, 18:55 UTC50m
2026-07-11 TAP1861 - Jul 11, 15:20 UTCJul 11, 15:30 UTC10m
2026-07-11 TAP1861 - Jul 11, 13:25 UTCJul 11, 14:10 UTC45m
2026-07-11 TAP262M - Jul 11, 04:50 UTCJul 11, 09:50 UTC5h 0m
2026-07-11 TAP262M - Jul 11, 03:10 UTCJul 11, 04:45 UTC1h 35m
2026-07-10 TAP261 LIS → YYZ Jul 10, 17:00 UTCJul 11, 00:40 UTC7h 40m
2026-07-10 TAP262M YYZ → LIS Jul 10, 04:10 UTCJul 10, 10:55 UTC6h 45m
2026-07-09 TAP261 LIS → YYZ Jul 9, 17:55 UTCJul 10, 01:30 UTC7h 35m
2026-07-09 TAP1929 OPO → LIS Jul 9, 15:20 UTCJul 9, 16:00 UTC40m

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

Mode-S 49530B frequently asked

What is Mode-S code 49530B?
49530B is an ICAO 24-bit transponder address. Allocated to Portugal. Assigned to CS-TXK.
Where is Mode-S 49530B registered?
Mode-S code 49530B is allocated to Portugal (PT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 49530B broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:45 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 49530B, octal 22251413, decimal 4,805,387.
What flights does 49530B operate?
Mode-S 49530B has broadcast 20 distinct callsigns, including TAP216L, TAP215, TAP212, TAP232Y, TAP231P.