Apparatus

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sensors Mode-S transponder

3A4593

ICAO 24-bit transponder address · allocated to France

Currently assigned to F-ORMT · ATR-72-600

Hex
3A4593
Octal
16442623
Decimal
3,818,899
Country
FR
Tail
F-ORMT
Type
AT76
No current signal · last broadcast Jul 26, 22:30 UTC
Flights observed
453
Distinct callsigns
20
Country
FR
Last broadcast
Jul 26, 22:30 UTC

Last known position

Most recent position reported by Mode-S 3A4593.

Country allocation

The ICAO 24-bit address 3A4593 falls within the block assigned to France (FR) by ICAO Annex 10, Volume III. Every aircraft registered in France 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
NTR957 TNT International Aviation 56 2026-07-20
NTR722 - 42 2026-06-29
NTR342 TNT International Aviation 31 2026-07-22
NTR964 TNT International Aviation 28 2026-07-24
NTR162 - 25 2026-07-20
NTR918 TNT International Aviation 23 2026-07-26
NTR912 - 22 2026-07-17
NTR178 - 18 2026-07-21
NTR163 - 18 2026-07-20
NTR963 - 14 2026-06-28
NTR179 - 13 2026-07-21
NTR340 TNT International Aviation 11 2026-07-26
NTR915 TNT International Aviation 9 2026-06-17
NTR956 TNT International Aviation 8 2026-07-21
NTR233 - 8 2026-07-18
NTR232 - 8 2026-07-18
NTR224 - 8 2026-07-16
NTR5724 - 7 2026-07-11
NTR225 - 7 2026-07-16
NTR958 TNT International Aviation 6 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 NTR918 BOB → PPT Jul 26, 21:40 UTCJul 26, 22:30 UTC50m
2026-07-26 NTR958 PPT → RFP Jul 26, 04:35 UTCJul 26, 04:55 UTC20m
2026-07-26 NTR958 PPT → RFP Jul 26, 02:50 UTCJul 26, 03:15 UTC25m
2026-07-26 NTR340 PPT → AUQ Jul 26, 01:05 UTCJul 26, 02:05 UTC1h 0m
2026-07-25 NTR340 PPT → AUQ Jul 25, 17:10 UTCJul 25, 18:15 UTC1h 5m
2026-07-25 NTR215 - Jul 25, 01:20 UTCJul 25, 02:20 UTC1h 0m
2026-07-24 NTR214 - Jul 24, 23:35 UTCJul 25, 00:30 UTC55m
2026-07-24 NTR964 RFP → PPT Jul 24, 21:10 UTCJul 24, 21:30 UTC20m
2026-07-24 NTR964 RFP → PPT Jul 24, 19:10 UTCJul 24, 19:30 UTC20m
2026-07-24 NTR145 RFP → PPT Jul 24, 17:45 UTCJul 24, 18:00 UTC15m
2026-07-24 NTR144 PPT → RFP Jul 24, 16:30 UTCJul 24, 16:40 UTC10m
2026-07-23 NTR917 PPT → MOZ Jul 23, 23:00 UTCJul 23, 23:15 UTC15m
2026-07-23 NTR917 PPT → MOZ Jul 23, 20:40 UTCJul 23, 21:30 UTC50m
2026-07-23 NTR5167 - Jul 23, 18:35 UTCJul 23, 18:55 UTC20m
2026-07-23 NTR5167 - Jul 23, 17:10 UTCJul 23, 17:30 UTC20m
2026-07-23 NTR936 PPT → HUH Jul 23, 05:25 UTCJul 23, 05:45 UTC20m
2026-07-23 NTR936 PPT → HUH Jul 23, 03:15 UTCJul 23, 03:35 UTC20m
2026-07-23 NTR914 PPT → MOZ Jul 23, 01:40 UTCJul 23, 02:00 UTC20m
2026-07-22 NTR914 PPT → MOZ Jul 22, 23:15 UTCJul 23, 00:05 UTC50m
2026-07-22 NTR964 - Jul 22, 22:05 UTCJul 22, 22:25 UTC20m
2026-07-22 NTR964 - Jul 22, 20:10 UTCJul 22, 20:25 UTC15m
2026-07-22 NTR342 NHV → PPT Jul 22, 00:45 UTCJul 22, 01:40 UTC55m
2026-07-21 NTR342 - Jul 21, 17:00 UTCJul 21, 17:55 UTC55m
2026-07-21 NTR179 - Jul 21, 05:05 UTCJul 21, 05:20 UTC15m
2026-07-21 NTR178 - Jul 21, 03:30 UTCJul 21, 03:50 UTC20m
2026-07-21 NTR956 PPT → RFP Jul 21, 01:55 UTCJul 21, 02:10 UTC15m
2026-07-20 NTR956 PPT → RFP Jul 20, 23:45 UTCJul 21, 00:00 UTC15m
2026-07-20 NTR203 - Jul 20, 21:40 UTCJul 20, 22:25 UTC45m
2026-07-20 NTR202 - Jul 20, 19:50 UTCJul 20, 20:40 UTC50m
2026-07-20 NTR163 - Jul 20, 18:30 UTCJul 20, 18:45 UTC15m
2026-07-20 NTR162 - Jul 20, 17:00 UTCJul 20, 17:15 UTC15m
2026-07-20 NTR179 - Jul 20, 06:00 UTCJul 20, 06:15 UTC15m
2026-07-20 NTR178 - Jul 20, 04:35 UTCJul 20, 04:55 UTC20m
2026-07-20 NTR957 BOB → PPT Jul 20, 03:20 UTCJul 20, 03:45 UTC25m
2026-07-20 NTR957 BOB → PPT Jul 20, 01:25 UTCJul 20, 01:40 UTC15m
2026-07-19 NTR918 BOB → PPT Jul 19, 23:45 UTCJul 20, 00:00 UTC15m
2026-07-19 NTR918 BOB → PPT Jul 19, 21:35 UTCJul 19, 22:20 UTC45m
2026-07-19 NTR165 - Jul 19, 19:50 UTCJul 19, 20:05 UTC15m
2026-07-19 NTR164 PPT → BOB Jul 19, 18:25 UTCJul 19, 18:40 UTC15m
2026-07-19 NTR958 PPT → RFP Jul 19, 04:15 UTCJul 19, 04:40 UTC25m
2026-07-19 NTR958 PPT → RFP Jul 19, 02:40 UTCJul 19, 02:55 UTC15m
2026-07-19 NTR340 PPT → AUQ Jul 19, 00:55 UTCJul 19, 01:50 UTC55m
2026-07-18 NTR340 - Jul 18, 17:20 UTCJul 18, 18:10 UTC50m
2026-07-18 NTR5972 - Jul 18, 06:40 UTCJul 18, 06:50 UTC10m
2026-07-18 NTR5972 - Jul 18, 04:00 UTCJul 18, 04:20 UTC20m
2026-07-18 NTR233 - Jul 18, 01:30 UTCJul 18, 02:14 UTC45m
2026-07-18 NTR232 - Jul 18, 00:00 UTCJul 18, 00:45 UTC45m
2026-07-17 NTR912 - Jul 17, 22:05 UTCJul 17, 22:25 UTC20m
2026-07-17 NTR912 - Jul 17, 20:20 UTCJul 17, 20:40 UTC20m
2026-07-17 NTR163 - Jul 17, 18:19 UTCJul 17, 18:34 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 F-ORMT page for operator, model, and routing details .

Mode-S 3A4593 frequently asked

What is Mode-S code 3A4593?
3A4593 is an ICAO 24-bit transponder address. Allocated to France. Assigned to F-ORMT.
Where is Mode-S 3A4593 registered?
Mode-S code 3A4593 is allocated to France (FR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 3A4593 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 22:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 3A4593, octal 16442623, decimal 3,818,899.
What flights does 3A4593 operate?
Mode-S 3A4593 has broadcast 20 distinct callsigns, including NTR957, NTR722, NTR342, NTR964, NTR162.