sensors Mode-S transponder

4B9DA1

ICAO 24-bit transponder address · allocated to Turkey

Currently assigned to TC-GMA · AIRBUS A-320

Hex
4B9DA1
Octal
22716641
Decimal
4,955,553
Country
TR
Tail
TC-GMA
Type
A320
Broadcasting now · callsign NMA171 · 16,050 ft
Flights observed
167
Distinct callsigns
20
Country
TR
Last broadcast
Jul 25, 15:25 UTC

Current position

4B9DA1 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 4B9DA1 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
HYM346 - 18 2026-07-15
HYM345 - 14 2026-07-15
HYM317 - 9 2026-07-13
OMS206 Omskavia Airline 8 2026-05-15
OMS506 Omskavia Airline 7 2026-05-28
OMS284 Omskavia Airline 7 2026-05-13
HYM318 - 7 2026-07-16
HYM316 - 7 2026-07-12
OMS538 Omskavia Airline 6 2026-05-24
OMS537 Omskavia Airline 6 2026-05-23
HYM412 - 6 2026-07-12
HYM411 - 6 2026-07-12
OMS564 Omskavia Airline 5 2026-05-26
OMS286 Omskavia Airline 5 2026-05-08
OMS214 Omskavia Airline 5 2026-05-13
HYM315 - 4 2026-07-11
OMS505 Omskavia Airline 3 2026-05-25
OMS997 - 2 2026-05-31
OMS522 Omskavia Airline 2 2026-05-28
OMS213 Omskavia Airline 2 2026-05-05

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 CAI28KT DUS → AYT Jul 25, 11:55 UTCJul 25, 15:25 UTC3h 30m
2026-07-25 CAI6ZN AYT → DUS Jul 25, 07:05 UTCJul 25, 10:25 UTC3h 20m
2026-07-24 CAI107 DUS → AYT Jul 24, 10:25 UTCJul 24, 13:35 UTC3h 10m
2026-07-24 CAI108 AYT → DUS Jul 24, 05:25 UTCJul 24, 08:55 UTC3h 30m
2026-07-23 CAI86CM - Jul 23, 08:05 UTCJul 23, 10:20 UTC2h 15m
2026-07-23 CAI5TP AYT → LNZ Jul 23, 04:10 UTCJul 23, 06:55 UTC2h 45m
2026-07-22 CAI48Z FDH → AYT Jul 22, 16:10 UTCJul 22, 18:45 UTC2h 35m
2026-07-22 CAI46SZ - Jul 22, 11:20 UTCJul 22, 14:35 UTC3h 15m
2026-07-21 CAI47CF LNZ → AYT Jul 21, 09:30 UTCJul 21, 12:00 UTC2h 30m
2026-07-21 CAI5TP AYT → LNZ Jul 21, 05:45 UTCJul 21, 08:25 UTC2h 40m
2026-07-20 CAI34HR - Jul 20, 08:10 UTCJul 20, 10:30 UTC2h 20m
2026-07-20 CAI3VT - Jul 20, 04:25 UTCJul 20, 06:50 UTC2h 25m
2026-07-18 CAI33EG DUS → AYT Jul 18, 18:30 UTCJul 18, 21:35 UTC3h 5m
2026-07-18 CAI6VB - Jul 18, 13:30 UTCJul 18, 17:05 UTC3h 35m
2026-07-18 CAI6JC WAW → AYT Jul 18, 09:20 UTCJul 18, 11:55 UTC2h 35m
2026-07-18 CAI4H AYT → BRS Jul 18, 05:05 UTCJul 18, 07:40 UTC2h 35m
2026-07-17 CAI2XN LEJ → AYT Jul 17, 12:55 UTCJul 17, 15:40 UTC2h 45m
2026-07-17 CAI5A AYT → EIN Jul 17, 08:30 UTCJul 17, 11:30 UTC3h 0m
2026-07-16 HYM032 - Jul 16, 04:30 UTCJul 16, 05:30 UTC1h 0m
2026-07-16 HYM318 - Jul 16, 00:40 UTCJul 16, 02:05 UTC1h 25m
2026-07-15 HYM346 - Jul 15, 05:50 UTCJul 15, 22:55 UTC17h 5m
2026-07-15 HYM346 - Jul 15, 02:20 UTCJul 15, 22:55 UTC20h 35m
2026-07-15 HYM345 - Jul 15, 01:25 UTCJul 15, 22:55 UTC21h 30m
2026-07-14 HYM346 - Jul 14, 16:20 UTCJul 14, 18:40 UTC2h 20m
2026-07-14 HYM345 - Jul 14, 12:30 UTCJul 14, 14:25 UTC1h 55m
2026-07-14 HYM318 - Jul 14, 01:05 UTCJul 14, 02:25 UTC1h 20m
2026-07-13 HYM317 - Jul 13, 21:50 UTCJul 13, 23:05 UTC1h 15m
2026-07-13 HYM346 - Jul 13, 08:15 UTCJul 13, 10:30 UTC2h 15m
2026-07-13 HYM345 - Jul 13, 00:55 UTCJul 13, 06:30 UTC5h 35m
2026-07-12 HYM412 - Jul 12, 17:35 UTCJul 12, 23:45 UTC6h 10m
2026-07-12 HYM411 - Jul 12, 13:15 UTCJul 12, 16:10 UTC2h 55m
2026-07-12 HYM346 - Jul 12, 09:00 UTCJul 12, 11:10 UTC2h 10m
2026-07-12 HYM345 - Jul 12, 04:55 UTCJul 12, 07:05 UTC2h 10m
2026-07-12 HYM316 - Jul 12, 00:40 UTCJul 12, 02:01 UTC1h 20m
2026-07-11 HYM315 - Jul 11, 21:50 UTCJul 11, 23:15 UTC1h 25m
2026-07-11 HYM412 - Jul 11, 17:25 UTCJul 11, 19:45 UTC2h 20m
2026-07-11 HYM411 - Jul 11, 12:50 UTCJul 11, 15:50 UTC3h 0m
2026-07-11 HYM318 - Jul 11, 00:20 UTCJul 11, 01:45 UTC1h 25m
2026-07-10 HYM317 - Jul 10, 21:25 UTCJul 10, 22:50 UTC1h 25m
2026-07-10 HYM346 - Jul 10, 10:55 UTCJul 10, 13:10 UTC2h 15m
2026-07-10 HYM345 - Jul 10, 00:45 UTCJul 10, 06:50 UTC6h 5m
2026-07-09 HYM412 - Jul 9, 17:20 UTCJul 9, 23:10 UTC5h 50m
2026-07-09 HYM411 - Jul 9, 12:55 UTCJul 9, 15:50 UTC2h 55m
2026-07-09 HYM346 - Jul 9, 00:25 UTCJul 9, 11:30 UTC11h 5m
2026-07-08 HYM317 - Jul 8, 21:15 UTCJul 8, 22:40 UTC1h 25m
2026-07-08 HYM316 - Jul 8, 00:25 UTCJul 8, 22:40 UTC22h 15m
2026-07-07 HYM422 - Jul 7, 15:10 UTCJul 7, 22:50 UTC7h 40m
2026-07-07 HYM421 - Jul 7, 12:45 UTCJul 7, 13:40 UTC55m
2026-07-07 HYM346 - Jul 7, 08:50 UTCJul 7, 11:10 UTC2h 20m
2026-07-07 HYM345 - Jul 7, 01:10 UTCJul 7, 06:50 UTC5h 40m

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-GMA page for operator, model, and routing details .

Mode-S 4B9DA1 frequently asked

What is Mode-S code 4B9DA1?
4B9DA1 is an ICAO 24-bit transponder address. Allocated to Turkey. Assigned to TC-GMA.
Where is Mode-S 4B9DA1 registered?
Mode-S code 4B9DA1 is allocated to Turkey (TR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4B9DA1 broadcasting right now?
Yes. Mode-S 4B9DA1 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4B9DA1, octal 22716641, decimal 4,955,553.
What flights does 4B9DA1 operate?
Mode-S 4B9DA1 has broadcast 20 distinct callsigns, including HYM346, HYM345, HYM317, OMS206, OMS506.