sensors Mode-S transponder

4D2449

ICAO 24-bit transponder address

Currently assigned to 9H-VVE · BOEING 737 MAX 8

Hex
4D2449
Octal
23222111
Decimal
5,055,561
Tail
9H-VVE
Type
B38M
Broadcasting now · callsign RYR4346 · 37,000 ft
Flights observed
250
Distinct callsigns
20
Country
-
Last broadcast
1h ago

Current position

4D2449 is currently broadcasting. Map zoomed to live position.

Callsign history 20 distinct

Callsign Airline Flights Last seen
RYR99SD - 4 2026-06-29
RYR10TY - 4 2026-06-29
RYR7EE - 3 2026-06-28
RYR55RY - 3 2026-06-29
RYR4SG - 3 2026-07-04
RYR48GX - 3 2026-06-29
RYR2KZ - 3 2026-06-29
RYR23ZU - 3 2026-06-29
RYR22LN - 3 2026-06-28
RYR9SE Ryanair 2 2026-07-18
RYR99RH - 2 2026-06-26
RYR99CK - 2 2026-07-02
RYR99AP - 2 2026-07-02
RYR95SZ - 2 2026-07-01
RYR88FE - 2 2026-06-26
RYR78UB - 2 2026-07-04
RYR76GY Ryanair 2 2026-07-17
RYR70VK Ryanair 2 2026-07-01
RYR6GG - 2 2026-07-05
RYR69ER - 2 2026-07-01

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-24 RYR4346 LPL → TFS Jul 24, 20:35 UTCJul 24, 22:15 UTC1h 40m
2026-07-24 RYR61ME - Jul 24, 10:45 UTCJul 24, 19:45 UTC9h 0m
2026-07-24 RYR7477 TFS → PSA Jul 24, 05:15 UTCJul 24, 08:35 UTC3h 20m
2026-07-23 RYR26ZX LPL → TFS Jul 23, 19:40 UTCJul 23, 23:40 UTC4h 0m
2026-07-23 RYR61ME - Jul 23, 15:05 UTCJul 23, 18:30 UTC3h 25m
2026-07-23 RYR5NK - Jul 23, 09:45 UTCJul 23, 13:30 UTC3h 45m
2026-07-23 RYR9789 TFS → BVA Jul 23, 05:20 UTCJul 23, 08:35 UTC3h 15m
2026-07-22 RYR92HD NUE → CHQ Jul 22, 19:50 UTCJul 23, 00:05 UTC4h 15m
2026-07-22 RYR3BJ FUE → EDI Jul 22, 15:00 UTCJul 22, 18:40 UTC3h 40m
2026-07-22 RYR2AN SNN → STN Jul 22, 05:05 UTCJul 22, 12:55 UTC7h 50m
2026-07-21 RYR9576 EIN → TFS Jul 21, 17:30 UTCJul 21, 21:30 UTC4h 0m
2026-07-21 RYR30BE EDI → SVQ Jul 21, 12:45 UTCJul 21, 16:25 UTC3h 40m
2026-07-21 RYR17SD - Jul 21, 06:50 UTCJul 21, 10:40 UTC3h 50m
2026-07-20 RYR51SL - Jul 20, 20:05 UTCJul 20, 23:00 UTC2h 55m
2026-07-20 RYR86GG RAK → KRK Jul 20, 16:25 UTCJul 20, 19:05 UTC2h 40m
2026-07-20 RYR51WN CCF → STN Jul 20, 13:45 UTCJul 20, 15:20 UTC1h 35m
2026-07-20 RYR80JJ - Jul 20, 11:20 UTCJul 20, 12:45 UTC1h 25m
2026-07-20 RYR15MQ FNI → STN Jul 20, 08:45 UTCJul 20, 10:20 UTC1h 35m
2026-07-20 RYR73VA - Jul 20, 06:25 UTCJul 20, 07:55 UTC1h 30m
2026-07-19 RYR63UE - Jul 19, 23:00 UTCJul 19, 23:30 UTC30m
2026-07-19 RYR63UE - Jul 19, 20:55 UTCJul 19, 22:55 UTC2h 0m
2026-07-19 RYR20RR - Jul 19, 17:40 UTCJul 19, 19:55 UTC2h 15m
2026-07-19 RYR9VG - Jul 19, 14:30 UTCJul 19, 15:45 UTC1h 15m
2026-07-19 RYR8SC - Jul 19, 11:55 UTCJul 19, 13:15 UTC1h 20m
2026-07-19 RYR77FR NUE → SKG Jul 19, 08:40 UTCJul 19, 10:25 UTC1h 45m
2026-07-19 RYR49RX STN → ZAZ Jul 19, 05:45 UTCJul 19, 07:30 UTC1h 45m
2026-07-18 RYR4CB LIS → STN Jul 18, 19:20 UTCJul 18, 21:20 UTC2h 0m
2026-07-18 RYR59QQ - Jul 18, 15:55 UTCJul 18, 18:20 UTC2h 25m
2026-07-18 RYR39FX AAR → STN Jul 18, 13:30 UTCJul 18, 14:45 UTC1h 15m
2026-07-18 RYR9SE STN → AAR Jul 18, 11:25 UTCJul 18, 12:35 UTC1h 10m
2026-07-18 RYR9ET ALC → PMI Jul 18, 08:15 UTCJul 18, 10:20 UTC2h 5m
2026-07-18 RYR55HB STN → PEG Jul 18, 05:20 UTCJul 18, 07:05 UTC1h 45m
2026-07-17 RYR1UT CGN → MAN Jul 17, 21:55 UTCJul 18, 00:25 UTC2h 30m
2026-07-17 RYR7EW LGW → DUB Jul 17, 18:50 UTCJul 17, 21:00 UTC2h 10m
2026-07-17 RYR85QP BRE → STN Jul 17, 16:04 UTCJul 17, 17:05 UTC1h 0m
2026-07-17 RYR175U - Jul 17, 14:15 UTCJul 17, 15:15 UTC1h 0m
2026-07-17 RYR42GU NCE → STN Jul 17, 11:25 UTCJul 17, 13:05 UTC1h 40m
2026-07-17 RYR76GY STN → NCE Jul 17, 07:35 UTCJul 17, 09:15 UTC1h 40m
2026-07-16 RYR3GX - Jul 16, 22:19 UTCJul 16, 23:55 UTC1h 35m
2026-07-16 RYR59DR - Jul 16, 20:09 UTCJul 16, 21:30 UTC1h 20m
2026-07-16 RYR39FX - Jul 16, 17:30 UTCJul 16, 18:55 UTC1h 25m
2026-07-16 RYR9SE - Jul 16, 15:25 UTCJul 16, 16:35 UTC1h 10m
2026-07-16 RYR461N LPA → STN Jul 16, 10:40 UTCJul 16, 14:05 UTC3h 25m
2026-07-16 RYR2842 - Jul 16, 05:20 UTCJul 16, 09:00 UTC3h 40m
2026-07-16 RYR42GU NCE → STN Jul 16, 00:05 UTCJul 16, 01:40 UTC1h 35m
2026-07-15 RYR76GY - Jul 15, 21:30 UTCJul 15, 23:05 UTC1h 35m
2026-07-15 RYR2907 - Jul 15, 15:30 UTCJul 15, 19:10 UTC3h 40m
2026-07-15 RYR42CH - Jul 15, 10:35 UTCJul 15, 13:40 UTC3h 5m
2026-07-15 RYR3YW BER → STN Jul 15, 07:55 UTCJul 15, 09:15 UTC1h 20m
2026-07-15 RYR7QZ - Jul 15, 05:50 UTCJul 15, 07:10 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 9H-VVE page for operator, model, and routing details .

Mode-S 4D2449 frequently asked

What is Mode-S code 4D2449?
4D2449 is an ICAO 24-bit transponder address. Assigned to 9H-VVE.
Is 4D2449 broadcasting right now?
Yes. Mode-S 4D2449 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4D2449, octal 23222111, decimal 5,055,561.
What flights does 4D2449 operate?
Mode-S 4D2449 has broadcast 20 distinct callsigns, including RYR99SD, RYR10TY, RYR7EE, RYR55RY, RYR4SG.