sensors Mode-S transponder

4C16A9

ICAO 24-bit transponder address · allocated to Serbia

Currently assigned to YU-FVJ · DASSAULT Falcon 2000

Hex
4C16A9
Octal
23013251
Decimal
4,986,537
Country
RS
Tail
YU-FVJ
Type
F2TH
No current signal · last broadcast Jul 26, 11:30 UTC
Flights observed
132
Distinct callsigns
2
Country
RS
Last broadcast
Jul 26, 11:30 UTC

Last known position

Most recent position reported by Mode-S 4C16A9.

Country allocation

The ICAO 24-bit address 4C16A9 falls within the block assigned to Serbia (RS) by ICAO Annex 10, Volume III. Every aircraft registered in Serbia 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 2 distinct

Callsign Airline Flights Last seen
PNC1A - 128 2026-07-26
PNC001A - 4 2026-06-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 PNC1A - Jul 26, 10:00 UTCJul 26, 11:30 UTC1h 30m
2026-07-25 PNC1A - Jul 25, 15:35 UTCJul 25, 16:30 UTC55m
2026-07-25 PNC1A - Jul 25, 11:20 UTCJul 25, 14:00 UTC2h 40m
2026-07-24 PNC1A - Jul 24, 15:10 UTCJul 24, 17:50 UTC2h 40m
2026-07-24 PNC1A - Jul 24, 12:45 UTCJul 24, 13:45 UTC1h 0m
2026-07-24 PNC1A GVA → ATH Jul 24, 06:50 UTCJul 24, 08:55 UTC2h 5m
2026-07-23 PNC1A - Jul 23, 12:10 UTCJul 23, 14:25 UTC2h 15m
2026-07-23 PNC1A - Jul 23, 10:15 UTCJul 23, 10:30 UTC15m
2026-07-22 PNC1A - Jul 22, 15:25 UTCJul 22, 17:50 UTC2h 25m
2026-07-22 PNC1A - Jul 22, 12:40 UTCJul 22, 13:45 UTC1h 5m
2026-07-20 PNC1A - Jul 20, 14:20 UTCJul 20, 15:05 UTC45m
2026-07-20 PNC1A - Jul 20, 12:05 UTCJul 20, 14:15 UTC2h 10m
2026-07-19 PNC1A - Jul 19, 13:40 UTCJul 19, 15:25 UTC1h 45m
2026-07-19 PNC1A ZRH → AYT Jul 19, 10:10 UTCJul 19, 12:55 UTC2h 45m
2026-07-19 PNC1A - Jul 19, 07:10 UTCJul 19, 07:55 UTC45m
2026-07-18 PNC1A - Jul 18, 06:55 UTCJul 18, 08:35 UTC1h 40m
2026-07-18 PNC1A - Jul 18, 03:45 UTCJul 18, 04:40 UTC55m
2026-07-17 PNC1A - Jul 17, 12:35 UTCJul 17, 14:55 UTC2h 20m
2026-07-17 PNC1A ZRH → GVA Jul 17, 08:45 UTCJul 17, 09:10 UTC25m
2026-07-17 PNC1A EFL → ZRH Jul 17, 05:45 UTCJul 17, 07:55 UTC2h 10m
2026-07-17 PNC1A - Jul 17, 03:20 UTCJul 17, 04:25 UTC1h 5m
2026-07-16 PNC1A - Jul 16, 14:05 UTCJul 16, 14:20 UTC15m
2026-07-15 PNC1A EMA → SKG Jul 15, 09:50 UTCJul 15, 12:30 UTC2h 40m
2026-07-15 PNC1A BRS → EMA Jul 15, 07:20 UTCJul 15, 07:55 UTC35m
2026-07-14 PNC1A - Jul 14, 14:20 UTCJul 14, 15:45 UTC1h 25m
2026-07-14 PNC1A LCA → ZRH Jul 14, 09:50 UTCJul 14, 13:40 UTC3h 50m
2026-07-13 PNC1A - Jul 13, 19:10 UTCJul 13, 21:00 UTC1h 50m
2026-07-13 PNC1A - Jul 13, 17:25 UTCJul 13, 18:10 UTC45m
2026-07-11 PNC1A - Jul 11, 12:20 UTCJul 11, 13:10 UTC50m
2026-07-11 PNC1A - Jul 11, 09:25 UTCJul 11, 11:25 UTC2h 0m
2026-07-11 PNC1A - Jul 11, 06:40 UTCJul 11, 07:15 UTC35m
2026-07-10 PNC1A - Jul 10, 11:40 UTCJul 10, 14:00 UTC2h 20m
2026-07-10 PNC1A - Jul 10, 09:30 UTCJul 10, 10:35 UTC1h 5m
2026-07-09 PNC1A - Jul 9, 08:20 UTCJul 9, 10:10 UTC1h 50m
2026-07-09 PNC1A - Jul 9, 05:05 UTCJul 9, 06:20 UTC1h 15m
2026-07-06 PNC1A - Jul 6, 07:55 UTCJul 6, 09:05 UTC1h 10m
2026-07-06 PNC1A - Jul 6, 05:35 UTCJul 6, 07:15 UTC1h 40m
2026-07-05 PNC1A - Jul 5, 17:20 UTCJul 5, 18:30 UTC1h 10m
2026-07-05 PNC1A - Jul 5, 13:25 UTCJul 5, 15:40 UTC2h 15m
2026-07-04 PNC1A - Jul 4, 12:50 UTCJul 4, 14:30 UTC1h 40m
2026-07-04 PNC1A - Jul 4, 09:50 UTCJul 4, 12:00 UTC2h 10m
2026-07-03 PNC1A - Jul 3, 15:45 UTCJul 3, 17:55 UTC2h 10m
2026-07-03 PNC1A - Jul 3, 09:40 UTCJul 3, 13:00 UTC3h 20m
2026-07-03 PNC1A BEG → GVA Jul 3, 05:40 UTCJul 3, 07:25 UTC1h 45m
2026-07-01 PNC1A - Jul 1, 16:25 UTCJul 1, 16:50 UTC25m
2026-07-01 PNC1A - Jul 1, 13:25 UTCJul 1, 14:55 UTC1h 30m
2026-07-01 PNC1A - Jul 1, 09:20 UTCJul 1, 11:30 UTC2h 10m
2026-06-30 PNC1A ATH → SKG Jun 30, 11:40 UTCJun 30, 12:15 UTC35m
2026-06-30 PNC1A BCN → ATH Jun 30, 07:30 UTCJun 30, 10:00 UTC2h 30m
2026-06-29 PNC1A - Jun 29, 13:00 UTCJun 29, 13:59 UTC1h 0m

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 YU-FVJ page for operator, model, and routing details .

Mode-S 4C16A9 frequently asked

What is Mode-S code 4C16A9?
4C16A9 is an ICAO 24-bit transponder address. Allocated to Serbia. Assigned to YU-FVJ.
Where is Mode-S 4C16A9 registered?
Mode-S code 4C16A9 is allocated to Serbia (RS). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4C16A9 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 11:30 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4C16A9, octal 23013251, decimal 4,986,537.
What flights does 4C16A9 operate?
Mode-S 4C16A9 has broadcast 2 distinct callsigns, including PNC1A, PNC001A.