sensors Mode-S transponder

4B9910

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-FHP · AIRBUS A-320

Hex
4B9910
Octal
22714420
Decimal
4,954,384
Country
TR
Tail
TC-FHP
Type
A320
No current signal · last broadcast 5h ago
Flights observed
258
Distinct callsigns
20
Country
TR
Last broadcast
5h ago

Last known position

Most recent position reported by Mode-S 4B9910.

Country allocation

The ICAO 24-bit address 4B9910 falls within the block assigned to Turkey (TR) by ICAO Annex 10, Volume III. Every aircraft registered in Turkey 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
FHY728 - 11 2026-06-22
FHY727 Freebird Airlines 10 2026-06-21
FHY754 - 8 2026-07-09
FHY753 - 8 2026-07-09
FHY1897 - 8 2026-07-10
FHY770 - 6 2026-06-28
FHY769 - 6 2026-06-28
FHY471 - 6 2026-07-11
FHY732 - 5 2026-07-06
FHY731 - 5 2026-07-05
FHY1898 - 5 2026-07-04
FHY1552 - 5 2026-06-27
FHY1551 - 5 2026-06-27
FHY1548 - 5 2026-07-01
FHY1547 - 5 2026-07-01
FHY1203 Freebird Airlines 5 2026-05-15
FHY808 - 4 2026-07-12
FHY783 Freebird Airlines 4 2026-07-03
FHY752 - 4 2026-07-12
FHY751 - 4 2026-07-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 FHY716 - Jul 14, 10:15 UTCJul 14, 12:25 UTC2h 10m
2026-07-14 FHY715 - Jul 14, 06:45 UTCJul 14, 09:00 UTC2h 15m
2026-07-14 FHY1258 HAJ → AYT Jul 14, 01:10 UTCJul 14, 04:15 UTC3h 5m
2026-07-13 FHY1257 AYT → HAJ Jul 13, 20:05 UTCJul 13, 23:25 UTC3h 20m
2026-07-13 FHY1274 HAM → AYT Jul 13, 12:30 UTCJul 13, 15:50 UTC3h 20m
2026-07-13 FHY1273 - Jul 13, 07:10 UTCJul 13, 10:25 UTC3h 15m
2026-07-12 FHY214 - Jul 12, 18:40 UTCJul 12, 20:55 UTC2h 15m
2026-07-12 FHY213 AYT → BRQ Jul 12, 14:50 UTCJul 12, 17:20 UTC2h 30m
2026-07-12 FHY752 WAW → AYT Jul 12, 08:15 UTCJul 12, 10:45 UTC2h 30m
2026-07-12 FHY751 - Jul 12, 04:25 UTCJul 12, 07:01 UTC2h 35m
2026-07-12 FHY808 - Jul 12, 01:45 UTCJul 12, 03:10 UTC1h 25m
2026-07-11 FHY809 - Jul 11, 21:20 UTCJul 11, 22:20 UTC1h 0m
2026-07-11 FHY471 - Jul 11, 15:20 UTCJul 11, 18:15 UTC2h 55m
2026-07-11 FHY471 - Jul 11, 13:50 UTCJul 11, 14:15 UTC25m
2026-07-11 FHY471 - Jul 11, 09:30 UTCJul 11, 12:50 UTC3h 20m
2026-07-11 FHY471P - Jul 11, 07:20 UTCJul 11, 08:05 UTC45m
2026-07-10 FHY1897 - Jul 10, 22:05 UTCJul 11, 03:05 UTC5h 0m
2026-07-10 FHY718 - Jul 10, 17:45 UTCJul 10, 19:45 UTC2h 0m
2026-07-10 FHY717 - Jul 10, 14:25 UTCJul 10, 16:45 UTC2h 20m
2026-07-10 FHY646 BUD → AYT Jul 10, 07:25 UTCJul 10, 09:30 UTC2h 5m
2026-07-10 FHY645 - Jul 10, 03:40 UTCJul 10, 05:50 UTC2h 10m
2026-07-09 FHY754 - Jul 9, 22:35 UTCJul 10, 00:45 UTC2h 10m
2026-07-09 FHY753 - Jul 9, 18:25 UTCJul 9, 20:50 UTC2h 25m
2026-07-09 PGT5078 - Jul 9, 10:45 UTCJul 9, 14:00 UTC3h 15m
2026-07-09 PGT459L - Jul 9, 05:40 UTCJul 9, 09:25 UTC3h 45m
2026-07-08 FHY1258 - Jul 8, 08:25 UTCJul 8, 11:20 UTC2h 55m
2026-07-08 FHY1257 - Jul 8, 03:30 UTCJul 8, 07:00 UTC3h 30m
2026-07-07 FHY754 KRK → AYT Jul 7, 22:20 UTCJul 8, 00:35 UTC2h 15m
2026-07-07 FHY753 - Jul 7, 18:20 UTCJul 7, 20:45 UTC2h 25m
2026-07-07 FHY1258 HAJ → AYT Jul 7, 01:10 UTCJul 7, 04:15 UTC3h 5m
2026-07-06 FHY1257 - Jul 6, 20:05 UTCJul 6, 23:25 UTC3h 20m
2026-07-06 FHY732 - Jul 6, 01:40 UTCJul 6, 05:05 UTC3h 25m
2026-07-05 FHY731 - Jul 5, 20:35 UTCJul 6, 00:20 UTC3h 45m
2026-07-05 FHY4270 - Jul 5, 11:05 UTCJul 5, 13:05 UTC2h 0m
2026-07-05 FHY4271 - Jul 5, 08:05 UTCJul 5, 09:40 UTC1h 35m
2026-07-04 FHY1898 - Jul 4, 22:25 UTCJul 5, 03:05 UTC4h 40m
2026-07-04 FHY410 - Jul 4, 17:45 UTCJul 4, 21:00 UTC3h 15m
2026-07-04 FHY409 AYT → CPH Jul 4, 12:40 UTCJul 4, 16:25 UTC3h 45m
2026-07-04 FHY732 TLL → AYT Jul 4, 01:50 UTCJul 4, 05:40 UTC3h 50m
2026-07-03 FHY731 - Jul 3, 20:55 UTCJul 4, 00:35 UTC3h 40m
2026-07-03 FHY786 BTS → AYT Jul 3, 16:45 UTCJul 3, 19:00 UTC2h 15m
2026-07-03 FHY783 AYT → BTS Jul 3, 05:15 UTCJul 3, 07:40 UTC2h 25m
2026-07-03 FHY1898 - Jul 3, 01:20 UTCJul 3, 02:50 UTC1h 30m
2026-07-02 FHY1897 - Jul 2, 22:10 UTCJul 2, 23:35 UTC1h 25m
2026-07-01 FHY754 - Jul 1, 22:50 UTCJul 2, 01:15 UTC2h 25m
2026-07-01 FHY753 - Jul 1, 19:15 UTCJul 1, 21:30 UTC2h 15m
2026-07-01 FHY1548 - Jul 1, 09:50 UTCJul 1, 12:45 UTC2h 55m
2026-07-01 FHY1547 - Jul 1, 05:05 UTCJul 1, 07:55 UTC2h 50m
2026-06-30 FHY646 - Jun 30, 07:20 UTCJun 30, 09:30 UTC2h 10m
2026-06-30 FHY645 - Jun 30, 03:30 UTCJun 30, 05:35 UTC2h 5m

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 TC-FHP page for operator, model, and routing details .

Mode-S 4B9910 frequently asked

What is Mode-S code 4B9910?
4B9910 is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-FHP.
Where is Mode-S 4B9910 registered?
Mode-S code 4B9910 is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4B9910 broadcasting right now?
No active broadcast right now. Last signal was 5h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4B9910, octal 22714420, decimal 4,954,384.
What flights does 4B9910 operate?
Mode-S 4B9910 has broadcast 20 distinct callsigns, including FHY728, FHY727, FHY754, FHY753, FHY1897.