sensors Mode-S transponder

49D53E

ICAO 24-bit transponder address · allocated to Czech Republic

Currently assigned to OK-MSM · PILATUS PC-12

Hex
49D53E
Octal
22352476
Decimal
4,838,718
Country
CZ
Tail
OK-MSM
Type
PC12
No current signal · last broadcast 1d ago
Flights observed
75
Distinct callsigns
20
Country
CZ
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 49D53E.

Country allocation

The ICAO 24-bit address 49D53E 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
NTF209M - 5 2026-04-13
NTF355M - 4 2026-06-13
NTF203M - 4 2026-04-15
NTF396M - 3 2026-06-24
NTF208M - 3 2026-04-19
NTF467M - 2 2026-07-13
NTF438M - 2 2026-07-09
NTF432M - 2 2026-07-04
NTF422M - 2 2026-06-25
NTF395M - 2 2026-06-27
NTF377M - 2 2026-07-10
NTF375M - 2 2026-06-25
NTF369M - 2 2026-06-12
NTF354M - 2 2026-06-10
NTF343M - 2 2026-06-09
NTF341M - 2 2026-06-08
NTF334M - 2 2026-05-30
NTF333M - 2 2026-06-02
NTF327M - 2 2026-06-04
NTF318M - 2 2026-05-27

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 NTF467M - Jul 13, 07:50 UTCJul 13, 09:20 UTC1h 30m
2026-07-13 NTF467M - Jul 13, 05:40 UTCJul 13, 06:55 UTC1h 15m
2026-07-10 NTF377M - Jul 10, 17:00 UTCJul 10, 18:30 UTC1h 30m
2026-07-10 NTF377M - Jul 10, 15:05 UTCJul 10, 16:20 UTC1h 15m
2026-07-09 NTF438M - Jul 9, 12:25 UTCJul 9, 14:30 UTC2h 5m
2026-07-06 NTF438M PRG → EBA Jul 6, 10:35 UTCJul 6, 12:25 UTC1h 50m
2026-07-04 NTF432M - Jul 4, 11:10 UTCJul 4, 12:35 UTC1h 25m
2026-07-04 NTF432M - Jul 4, 09:05 UTCJul 4, 10:20 UTC1h 15m
2026-06-27 NTF395M - Jun 27, 16:44 UTCJun 27, 18:04 UTC1h 20m
2026-06-26 NTF395M - Jun 26, 11:05 UTCJun 26, 12:29 UTC1h 25m
2026-06-25 NTF375M - Jun 25, 18:50 UTCJun 25, 20:19 UTC1h 30m
2026-06-25 NTF375M - Jun 25, 16:50 UTCJun 25, 18:10 UTC1h 20m
2026-06-25 NTF422M - Jun 25, 15:24 UTCJun 25, 15:59 UTC35m
2026-06-25 NTF389E ZRH → BRQ Jun 25, 13:24 UTCJun 25, 15:04 UTC1h 40m
2026-06-25 NTF422M PRG → ZRH Jun 25, 09:34 UTCJun 25, 10:59 UTC1h 25m
2026-06-24 NTF396M - Jun 24, 16:50 UTCJun 24, 18:34 UTC1h 45m
2026-06-24 NTF396M - Jun 24, 09:39 UTCJun 24, 10:10 UTC30m
2026-06-24 NTF396M - Jun 24, 07:34 UTCJun 24, 08:24 UTC50m
2026-06-13 NTF355M - Jun 13, 10:50 UTCJun 13, 12:05 UTC1h 15m
2026-06-13 NTF355M - Jun 13, 09:00 UTCJun 13, 10:00 UTC1h 0m
2026-06-12 NTF369M - Jun 12, 14:40 UTCJun 12, 16:15 UTC1h 35m
2026-06-12 NTF369M - Jun 12, 05:30 UTCJun 12, 06:55 UTC1h 25m
2026-06-11 NTF355M - Jun 11, 16:55 UTCJun 11, 18:00 UTC1h 5m
2026-06-11 NTF355M - Jun 11, 15:00 UTCJun 11, 16:00 UTC1h 0m
2026-06-11 NTF357M PRG → PRG Jun 11, 10:00 UTCJun 11, 13:45 UTC3h 45m
2026-06-10 NTF354M - Jun 10, 08:30 UTCJun 10, 09:20 UTC50m
2026-06-10 NTF354M - Jun 10, 06:35 UTCJun 10, 07:25 UTC50m
2026-06-09 NTF343M - Jun 9, 16:45 UTCJun 9, 17:20 UTC35m
2026-06-09 NTF343M - Jun 9, 14:15 UTCJun 9, 15:20 UTC1h 5m
2026-06-08 NTF342M - Jun 8, 12:15 UTCJun 8, 13:25 UTC1h 10m
2026-06-08 NTF341M - Jun 8, 09:15 UTCJun 8, 11:05 UTC1h 50m
2026-06-08 NTF341M - Jun 8, 06:00 UTCJun 8, 07:50 UTC1h 50m
2026-06-04 NTF327M - Jun 4, 12:40 UTCJun 4, 13:25 UTC45m
2026-06-04 NTF327M PRG → AGB Jun 4, 08:05 UTCJun 4, 08:55 UTC50m
2026-06-02 NTF333M - Jun 2, 12:55 UTCJun 2, 14:15 UTC1h 20m
2026-06-01 NTF333M - Jun 1, 08:55 UTCJun 1, 10:05 UTC1h 10m
2026-05-30 NTF334M - May 30, 15:35 UTCMay 30, 16:35 UTC1h 0m
2026-05-30 NTF334M - May 30, 06:15 UTCMay 30, 07:05 UTC50m
2026-05-27 NTF319M BTS → PRG May 27, 13:35 UTCMay 27, 14:40 UTC1h 5m
2026-05-27 NTF318M - May 27, 11:10 UTCMay 27, 12:25 UTC1h 15m
2026-05-27 NTF318M - May 27, 08:55 UTCMay 27, 10:10 UTC1h 15m
2026-05-21 NTF306M BTS → PRG May 21, 18:35 UTCMay 21, 19:25 UTC50m
2026-05-21 NTF303M - May 21, 16:40 UTCMay 21, 17:45 UTC1h 5m
2026-05-21 NTF303M - May 21, 14:35 UTCMay 21, 15:35 UTC1h 0m
2026-05-21 NTF302M PRG → BTS May 21, 12:40 UTCMay 21, 13:30 UTC50m
2026-05-19 NTF277M VIE → PRG May 19, 14:10 UTCMay 19, 14:50 UTC40m
2026-05-19 NTF277M PRG → VIE May 19, 07:15 UTCMay 19, 08:05 UTC50m
2026-05-13 NTF280M - May 13, 20:05 UTCMay 13, 20:55 UTC50m
2026-05-13 NTF279M - May 13, 19:00 UTCMay 13, 19:40 UTC40m
2026-05-13 NTF279M - May 13, 10:45 UTCMay 13, 11:20 UTC35m

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 OK-MSM page for operator, model, and routing details .

Mode-S 49D53E frequently asked

What is Mode-S code 49D53E?
49D53E is an ICAO 24-bit transponder address. Allocated to Czech Republic. Assigned to OK-MSM.
Where is Mode-S 49D53E registered?
Mode-S code 49D53E 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 49D53E broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 49D53E, octal 22352476, decimal 4,838,718.
What flights does 49D53E operate?
Mode-S 49D53E has broadcast 20 distinct callsigns, including NTF209M, NTF355M, NTF203M, NTF396M, NTF208M.