Apparatus

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sensors Mode-S transponder

491113

ICAO 24-bit transponder address · allocated to Portugal

Currently assigned to CS-DHS · TECNAM P-2008

Hex
491113
Octal
22210423
Decimal
4,788,499
Country
PT
Tail
CS-DHS
Type
P208
No current signal · last broadcast 12h ago
Flights observed
209
Distinct callsigns
20
Country
PT
Last broadcast
12h ago

Last known position

Most recent position reported by Mode-S 491113.

Country allocation

The ICAO 24-bit address 491113 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
RVP242 - 9 2026-07-16
RVP253 - 7 2026-07-01
RVP241 - 7 2026-07-16
RVP269 - 6 2026-07-02
RVP254 - 6 2026-07-01
RVP252 - 6 2026-07-02
RVP251 - 6 2026-07-04
RVP240 - 6 2026-07-14
RVP234 - 6 2026-07-15
RVP263 - 5 2026-05-24
RVP259 - 5 2026-07-04
RVP257 - 5 2026-06-11
RVP235 - 5 2026-07-13
RVP271 - 4 2026-05-20
RVP268 - 4 2026-06-13
RVP265 - 4 2026-06-09
RVP258 - 4 2026-07-04
RVP256 - 4 2026-06-11
RVP250 - 4 2026-07-04
RVP245 - 4 2026-07-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 RVP287 - Jul 17, 21:10 UTCJul 17, 21:55 UTC45m
2026-07-17 RVP286 - Jul 17, 16:19 UTCJul 17, 18:44 UTC2h 25m
2026-07-17 RVP284 - Jul 17, 12:00 UTCJul 17, 12:50 UTC50m
2026-07-17 RVP284 - Jul 17, 10:44 UTCJul 17, 11:15 UTC30m
2026-07-17 RVP283 - Jul 17, 06:54 UTCJul 17, 08:49 UTC1h 55m
2026-07-16 RVP245 - Jul 16, 20:39 UTCJul 16, 21:25 UTC45m
2026-07-16 RVP243 - Jul 16, 18:55 UTCJul 16, 19:45 UTC50m
2026-07-16 RVP242 - Jul 16, 17:40 UTCJul 16, 18:10 UTC30m
2026-07-16 RVP241 - Jul 16, 14:35 UTCJul 16, 16:00 UTC1h 25m
2026-07-16 RVP241 - Jul 16, 13:10 UTCJul 16, 14:00 UTC50m
2026-07-15 RVP239 - Jul 15, 20:55 UTCJul 15, 21:55 UTC1h 0m
2026-07-15 RVP237 - Jul 15, 16:20 UTCJul 15, 18:25 UTC2h 5m
2026-07-15 RVP236 - Jul 15, 12:25 UTCJul 15, 14:45 UTC2h 20m
2026-07-15 RVP135 - Jul 15, 10:40 UTCJul 15, 11:25 UTC45m
2026-07-15 RVP234 - Jul 15, 09:00 UTCJul 15, 09:45 UTC45m
2026-07-15 RVP232 - Jul 15, 07:05 UTCJul 15, 07:40 UTC35m
2026-07-14 RVP240 - Jul 14, 17:50 UTCJul 14, 19:55 UTC2h 5m
2026-07-14 RVP249 - Jul 14, 14:30 UTCJul 14, 16:55 UTC2h 25m
2026-07-13 RVP236 - Jul 13, 20:55 UTCJul 13, 21:45 UTC50m
2026-07-13 RVP235 - Jul 13, 17:25 UTCJul 13, 19:50 UTC2h 25m
2026-07-13 RVP234 - Jul 13, 14:50 UTCJul 13, 16:05 UTC1h 15m
2026-07-13 RVP132 - Jul 13, 12:55 UTCJul 13, 13:45 UTC50m
2026-07-12 RVP240 - Jul 12, 11:15 UTCJul 12, 12:05 UTC50m
2026-07-11 RVP220 - Jul 11, 15:05 UTCJul 11, 15:40 UTC35m
2026-07-11 RVP127 - Jul 11, 08:20 UTCJul 11, 09:00 UTC40m
2026-07-10 RVP275 - Jul 10, 15:10 UTCJul 10, 18:15 UTC3h 5m
2026-07-10 RVP242 - Jul 10, 11:25 UTCJul 10, 11:45 UTC20m
2026-07-10 RVP241 - Jul 10, 09:25 UTCJul 10, 10:20 UTC55m
2026-07-10 RVP241 - Jul 10, 07:40 UTCJul 10, 08:40 UTC1h 0m
2026-07-09 RVP242 - Jul 9, 16:40 UTCJul 9, 17:25 UTC45m
2026-07-09 RVP241 - Jul 9, 13:45 UTCJul 9, 14:50 UTC1h 5m
2026-07-08 RVP231 - Jul 8, 15:15 UTCJul 8, 16:25 UTC1h 10m
2026-07-08 RVP139 - Jul 8, 10:00 UTCJul 8, 10:45 UTC45m
2026-07-07 RVP221 - Jul 7, 12:35 UTCJul 7, 14:05 UTC1h 30m
2026-07-07 RVP221 - Jul 7, 11:30 UTCJul 7, 11:55 UTC25m
2026-07-05 RVP235 - Jul 5, 10:35 UTCJul 5, 13:45 UTC3h 10m
2026-07-05 RVP234 - Jul 5, 06:30 UTCJul 5, 08:35 UTC2h 5m
2026-07-04 RVP251 - Jul 4, 17:45 UTCJul 4, 18:30 UTC45m
2026-07-04 RVP251 - Jul 4, 15:35 UTCJul 4, 17:15 UTC1h 40m
2026-07-04 RVP250 - Jul 4, 12:25 UTCJul 4, 14:30 UTC2h 5m
2026-07-04 RVP259 - Jul 4, 10:35 UTCJul 4, 11:25 UTC50m
2026-07-04 RVP258 - Jul 4, 06:25 UTCJul 4, 08:45 UTC2h 20m
2026-07-03 RVP246A - Jul 3, 21:00 UTCJul 3, 22:00 UTC1h 0m
2026-07-03 RVP242 - Jul 3, 11:55 UTCJul 3, 13:50 UTC1h 55m
2026-07-02 RVP269 - Jul 2, 20:55 UTCJul 2, 21:45 UTC50m
2026-07-02 RVP153 - Jul 2, 15:25 UTCJul 2, 16:15 UTC50m
2026-07-02 RVP252 - Jul 2, 13:20 UTCJul 2, 13:55 UTC35m
2026-07-01 RVP267A - Jul 1, 20:50 UTCJul 1, 21:55 UTC1h 5m
2026-07-01 RVP156 - Jul 1, 16:05 UTCJul 1, 17:20 UTC1h 15m
2026-07-01 RVP255 - Jul 1, 13:20 UTCJul 1, 14:40 UTC1h 20m

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

Mode-S 491113 frequently asked

What is Mode-S code 491113?
491113 is an ICAO 24-bit transponder address. Allocated to Portugal. Assigned to CS-DHS.
Where is Mode-S 491113 registered?
Mode-S code 491113 is allocated to Portugal (PT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 491113 broadcasting right now?
No active broadcast right now. Last signal was 12h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 491113, octal 22210423, decimal 4,788,499.
What flights does 491113 operate?
Mode-S 491113 has broadcast 20 distinct callsigns, including RVP242, RVP253, RVP241, RVP269, RVP254.