sensors Mode-S transponder

491464

ICAO 24-bit transponder address · allocated to Portugal

Currently assigned to CS-ECD · TECNAM P-2008

Hex
491464
Octal
22212144
Decimal
4,789,348
Country
PT
Tail
CS-ECD
Type
P208
No current signal · last broadcast 13h ago
Flights observed
181
Distinct callsigns
20
Country
PT
Last broadcast
13h ago

Last known position

Most recent position reported by Mode-S 491464.

Country allocation

The ICAO 24-bit address 491464 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
RVP297 - 4 2026-07-02
RVP287 - 4 2026-07-10
RVP272 - 4 2026-07-16
RVP176 - 4 2026-06-07
RVP162 - 4 2026-07-15
RVP296 - 3 2026-07-09
RVP295 - 3 2026-06-09
RVP284 - 3 2026-06-30
RVP280 - 3 2026-07-10
RVP278 - 3 2026-07-06
RVP275 - 3 2026-06-24
RVP270 - 3 2026-07-06
RVP268 - 3 2026-06-12
RVP261 - 3 2026-07-15
RVP210 - 3 2026-05-19
RVP203 - 3 2026-04-26
RVP182 - 3 2026-06-30
RVP172 - 3 2026-05-21
RVP127 - 3 2026-04-16
RVP113 - 3 2026-06-11

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 RVP227 - Jul 17, 16:19 UTCJul 17, 17:15 UTC55m
2026-07-17 RVP225 - Jul 17, 06:20 UTCJul 17, 08:40 UTC2h 20m
2026-07-16 RVP274 - Jul 16, 19:05 UTCJul 16, 19:55 UTC50m
2026-07-16 RVP272 - Jul 16, 17:20 UTCJul 16, 18:05 UTC45m
2026-07-16 RVP272 - Jul 16, 16:09 UTCJul 16, 16:40 UTC30m
2026-07-16 RVP271 - Jul 16, 13:00 UTCJul 16, 15:10 UTC2h 10m
2026-07-15 RVP245 - Jul 15, 16:50 UTCJul 15, 19:05 UTC2h 15m
2026-07-15 RVP263 - Jul 15, 13:40 UTCJul 15, 14:15 UTC35m
2026-07-15 RVP162 - Jul 15, 10:45 UTCJul 15, 11:35 UTC50m
2026-07-15 RVP162 - Jul 15, 08:00 UTCJul 15, 10:10 UTC2h 10m
2026-07-15 RVP261 - Jul 15, 05:55 UTCJul 15, 06:45 UTC50m
2026-07-14 RVP254 - Jul 14, 17:25 UTCJul 14, 19:35 UTC2h 10m
2026-07-10 RVP280 - Jul 10, 16:25 UTCJul 10, 19:00 UTC2h 35m
2026-07-10 RVP289 - Jul 10, 11:15 UTCJul 10, 13:45 UTC2h 30m
2026-07-10 RVP287 - Jul 10, 07:20 UTCJul 10, 10:05 UTC2h 45m
2026-07-09 RVP296 - Jul 9, 14:25 UTCJul 9, 17:00 UTC2h 35m
2026-07-08 RVP289 - Jul 8, 20:55 UTCJul 8, 21:50 UTC55m
2026-07-08 RVP255 - Jul 8, 17:20 UTCJul 8, 17:45 UTC25m
2026-07-08 RVP287 - Jul 8, 15:05 UTCJul 8, 15:50 UTC45m
2026-07-08 RVP286 - Jul 8, 11:05 UTCJul 8, 13:55 UTC2h 50m
2026-07-08 RVP185 - Jul 8, 09:20 UTCJul 8, 09:40 UTC20m
2026-07-07 RVP272 - Jul 7, 13:45 UTCJul 7, 15:25 UTC1h 40m
2026-07-07 RVP272 - Jul 7, 12:45 UTCJul 7, 13:05 UTC20m
2026-07-07 RVP170 - Jul 7, 09:45 UTCJul 7, 10:30 UTC45m
2026-07-07 RVP279 - Jul 7, 06:15 UTCJul 7, 08:15 UTC2h 0m
2026-07-06 RVP270 - Jul 6, 17:05 UTCJul 6, 17:35 UTC30m
2026-07-06 RVP270 - Jul 6, 14:50 UTCJul 6, 16:25 UTC1h 35m
2026-07-06 RVP278 - Jul 6, 09:55 UTCJul 6, 12:10 UTC2h 15m
2026-07-06 RVP277 - Jul 6, 07:50 UTCJul 6, 08:45 UTC55m
2026-07-06 RVP277 - Jul 6, 06:05 UTCJul 6, 06:25 UTC20m
2026-07-05 RVP287 - Jul 5, 06:20 UTCJul 5, 08:55 UTC2h 35m
2026-07-04 RVP105 - Jul 4, 07:55 UTCJul 4, 10:45 UTC2h 50m
2026-07-04 RVP104 - Jul 4, 06:15 UTCJul 4, 07:00 UTC45m
2026-07-02 RVP199 - Jul 2, 18:25 UTCJul 2, 19:10 UTC45m
2026-07-02 RVP198 - Jul 2, 16:35 UTCJul 2, 17:20 UTC45m
2026-07-02 RVP297 - Jul 2, 14:35 UTCJul 2, 15:05 UTC30m
2026-07-02 RVP297 - Jul 2, 13:05 UTCJul 2, 13:55 UTC50m
2026-07-01 RVP112 - Jul 1, 15:15 UTCJul 1, 16:15 UTC1h 0m
2026-07-01 RVP110 - Jul 1, 12:20 UTCJul 1, 14:25 UTC2h 5m
2026-07-01 RVP218 - Jul 1, 10:20 UTCJul 1, 11:20 UTC1h 0m
2026-06-30 RVP284 - Jun 30, 15:50 UTCJun 30, 17:05 UTC1h 15m
2026-06-30 RVP283 - Jun 30, 11:35 UTCJun 30, 14:10 UTC2h 35m
2026-06-30 RVP182 - Jun 30, 09:10 UTCJun 30, 09:55 UTC45m
2026-06-30 RVP182 - Jun 30, 07:15 UTCJun 30, 08:05 UTC50m
2026-06-30 RVP182 - Jun 30, 05:45 UTCJun 30, 06:20 UTC35m
2026-06-28 RVP273 - Jun 28, 11:09 UTCJun 28, 11:55 UTC45m
2026-06-28 RVP240 - Jun 28, 05:49 UTCJun 28, 07:34 UTC1h 45m
2026-06-27 RVP286 - Jun 27, 17:29 UTCJun 27, 19:34 UTC2h 5m
2026-06-27 RVP283 - Jun 27, 10:50 UTCJun 27, 12:45 UTC1h 55m
2026-06-26 RVP148 - Jun 26, 12:55 UTCJun 26, 13:10 UTC15m

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

Mode-S 491464 frequently asked

What is Mode-S code 491464?
491464 is an ICAO 24-bit transponder address. Allocated to Portugal. Assigned to CS-ECD.
Where is Mode-S 491464 registered?
Mode-S code 491464 is allocated to Portugal (PT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 491464 broadcasting right now?
No active broadcast right now. Last signal was 13h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 491464, octal 22212144, decimal 4,789,348.
What flights does 491464 operate?
Mode-S 491464 has broadcast 20 distinct callsigns, including RVP297, RVP287, RVP272, RVP176, RVP162.