sensors Mode-S transponder

498489

ICAO 24-bit transponder address · allocated to Czech Republic

Currently assigned to 0455 · CASA C-295 Persuader

Hex
498489
Octal
22302211
Decimal
4,818,057
Country
CZ
Tail
0455
Type
C295
No current signal · last broadcast 14d ago
Flights observed
96
Distinct callsigns
20
Country
CZ
Last broadcast
14d ago

Last known position

Most recent position reported by Mode-S 498489.

Country allocation

The ICAO 24-bit address 498489 falls within the block assigned to Czech Republic (CZ) by ICAO Annex 10, Volume III. Every aircraft registered in Czech Republic 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
SMGLR21 - 13 2026-06-30
SMGLR41 - 10 2026-06-11
SMGLR67 - 9 2026-06-20
SMGLR22 - 8 2026-06-30
CEF654 - 7 2026-06-08
SMGLR47 - 6 2026-06-17
CEF653 - 6 2026-06-02
SMGLR31 - 4 2026-06-24
CEF644 - 4 2026-04-17
CEF05T - 3 2026-04-28
SMGLR85 - 2 2026-06-24
SMGLR42 - 2 2026-06-10
CEF679 - 2 2026-06-26
CEF672 - 2 2026-06-12
CEF663 - 2 2026-05-20
CEF662 - 2 2026-05-15
CEF658 - 2 2026-05-04
SMGLR82 - 1 2026-04-22
SMGLR68 - 1 2026-05-15
SMGLR62 - 1 2026-06-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-30 SMGLR22 - Jun 30, 10:10 UTCJun 30, 10:50 UTC40m
2026-06-30 SMGLR22 - Jun 30, 09:15 UTCJun 30, 09:50 UTC35m
2026-06-30 SMGLR22 - Jun 30, 08:35 UTCJun 30, 08:55 UTC20m
2026-06-30 SMGLR22 - Jun 30, 08:00 UTCJun 30, 08:25 UTC25m
2026-06-30 SMGLR22 - Jun 30, 07:10 UTCJun 30, 07:50 UTC40m
2026-06-30 SMGLR21 - Jun 30, 06:00 UTCJun 30, 06:20 UTC20m
2026-06-26 CEF679 - Jun 26, 09:05 UTCJun 26, 10:44 UTC1h 40m
2026-06-26 CEF679 - Jun 26, 05:50 UTCJun 26, 07:55 UTC2h 5m
2026-06-26 SMGLR51 - Jun 26, 04:04 UTCJun 26, 04:34 UTC30m
2026-06-25 CEF677 - Jun 25, 08:34 UTCJun 25, 13:55 UTC5h 20m
2026-06-24 SMGLR85 - Jun 24, 19:44 UTCJun 24, 20:14 UTC30m
2026-06-24 SMGLR85 - Jun 24, 19:15 UTCJun 24, 19:39 UTC25m
2026-06-24 SMGLR31 - Jun 24, 08:04 UTCJun 24, 09:39 UTC1h 35m
2026-06-23 SMGLR21 - Jun 23, 13:45 UTCJun 23, 14:10 UTC25m
2026-06-23 SMGLR21 - Jun 23, 13:19 UTCJun 23, 13:34 UTC15m
2026-06-23 SMGLR21 - Jun 23, 12:49 UTCJun 23, 13:05 UTC15m
2026-06-23 SMGLR21 - Jun 23, 12:15 UTCJun 23, 12:35 UTC20m
2026-06-23 SMGLR21 - Jun 23, 11:40 UTCJun 23, 11:59 UTC20m
2026-06-23 SMGLR21 PED → PED Jun 23, 10:44 UTCJun 23, 11:24 UTC40m
2026-06-23 SMGLR21 - Jun 23, 09:24 UTCJun 23, 09:34 UTC10m
2026-06-23 SMGLR21 - Jun 23, 07:09 UTCJun 23, 07:19 UTC10m
2026-06-22 SMGLR11 - Jun 22, 13:25 UTCJun 22, 13:44 UTC20m
2026-06-20 SMGLR67 - Jun 20, 09:24 UTCJun 20, 09:34 UTC10m
2026-06-20 SMGLR67 - Jun 20, 08:34 UTCJun 20, 08:55 UTC20m
2026-06-20 SMGLR67 - Jun 20, 07:39 UTCJun 20, 07:59 UTC20m
2026-06-20 SMGLR62 - Jun 20, 05:54 UTCJun 20, 06:14 UTC20m
2026-06-18 CEF671 - Jun 18, 11:10 UTCJun 18, 17:10 UTC6h 0m
2026-06-17 SMGLR47 - Jun 17, 19:55 UTCJun 17, 20:05 UTC10m
2026-06-17 SMGLR47 - Jun 17, 19:25 UTCJun 17, 19:45 UTC20m
2026-06-17 SMGLR31 - Jun 17, 10:15 UTCJun 17, 10:50 UTC35m
2026-06-17 SMGLR31 - Jun 17, 09:25 UTCJun 17, 10:00 UTC35m
2026-06-16 SMGLR67 - Jun 16, 18:20 UTCJun 16, 19:15 UTC55m
2026-06-16 SMGLR21 - Jun 16, 16:55 UTCJun 16, 17:15 UTC20m
2026-06-12 CEF672 - Jun 12, 12:05 UTCJun 12, 13:10 UTC1h 5m
2026-06-12 CEF672 - Jun 12, 06:55 UTCJun 12, 07:50 UTC55m
2026-06-11 SMGLR17 - Jun 11, 12:45 UTCJun 11, 13:00 UTC15m
2026-06-11 SMGLR41 - Jun 11, 09:00 UTCJun 11, 09:55 UTC55m
2026-06-10 SMGLR42 - Jun 10, 13:25 UTCJun 10, 13:55 UTC30m
2026-06-10 SMGLR67 - Jun 10, 11:50 UTCJun 10, 12:35 UTC45m
2026-06-10 SMGLR67 - Jun 10, 08:15 UTCJun 10, 08:55 UTC40m
2026-06-09 SMGLR23 - Jun 9, 11:55 UTCJun 9, 12:35 UTC40m
2026-06-09 SMGLR22 - Jun 9, 08:30 UTCJun 9, 09:05 UTC35m
2026-06-08 CEF654 - Jun 8, 16:00 UTCJun 8, 19:00 UTC3h 0m
2026-06-08 CEF654 - Jun 8, 09:25 UTCJun 8, 11:10 UTC1h 45m
2026-06-04 CEF654 - Jun 4, 23:10 UTCJun 4, 23:20 UTC10m
2026-06-04 CEF654 - Jun 4, 22:00 UTCJun 4, 22:20 UTC20m
2026-06-04 CEF654 - Jun 4, 16:50 UTCJun 4, 17:35 UTC45m
2026-06-04 CEF654 - Jun 4, 10:40 UTCJun 4, 14:05 UTC3h 25m
2026-06-04 CEF654 - Jun 4, 07:00 UTCJun 4, 07:45 UTC45m
2026-06-02 CEF653 - Jun 2, 22:05 UTCJun 3, 01:55 UTC3h 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 0455 page for operator, model, and routing details .

Mode-S 498489 frequently asked

What is Mode-S code 498489?
498489 is an ICAO 24-bit transponder address. Allocated to Czech Republic. Assigned to 0455.
Where is Mode-S 498489 registered?
Mode-S code 498489 is allocated to Czech Republic (CZ). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 498489 broadcasting right now?
No active broadcast right now. Last signal was 14d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 498489, octal 22302211, decimal 4,818,057.
What flights does 498489 operate?
Mode-S 498489 has broadcast 20 distinct callsigns, including SMGLR21, SMGLR41, SMGLR67, SMGLR22, CEF654.