Apparatus

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sensors Mode-S transponder

4A068A

ICAO 24-bit transponder address · allocated to Romania

Currently assigned to YR-ATJ · ATR-72-600

Hex
4A068A
Octal
22403212
Decimal
4,851,338
Country
RO
Tail
YR-ATJ
Type
AT76
Broadcasting now · callsign ROT628V · 9,675 ft
Flights observed
749
Distinct callsigns
20
Country
RO
Last broadcast
53m ago

Current position

4A068A is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 4A068A falls within the block assigned to Romania (RO) by ICAO Annex 10, Volume III. Every aircraft registered in Romania 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
ROT809H - 41 2026-07-11
ROT810W - 36 2026-07-12
ROT262R - 25 2026-07-11
ROT261N - 25 2026-07-11
ROT238X - 24 2026-07-10
ROT237A - 24 2026-07-10
ROT707B - 21 2026-07-05
ROT618W - 20 2026-07-01
ROT617X - 20 2026-07-01
ROT604P - 19 2026-07-09
ROT603W - 19 2026-07-09
ROT708F - 18 2026-06-27
ROT703E - 16 2026-07-12
ROT627N Tarom 16 2026-07-14
ROT602K - 15 2026-07-13
ROT601A - 15 2026-07-13
ROT644N - 14 2026-07-14
ROT628V - 14 2026-07-13
ROT643C - 13 2026-07-14
ROT209L - 13 2026-07-09

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 ROT627N OTP → OMR Jul 14, 15:45 UTCJul 14, 16:30 UTC45m
2026-07-14 ROT644N - Jul 14, 14:00 UTCJul 14, 14:45 UTC45m
2026-07-14 ROT643C - Jul 14, 12:10 UTCJul 14, 13:00 UTC50m
2026-07-14 ROT203P - Jul 14, 08:45 UTCJul 14, 09:20 UTC35m
2026-07-14 ROT622A - Jul 14, 06:35 UTCJul 14, 07:35 UTC1h 0m
2026-07-14 ROT621R - Jul 14, 04:50 UTCJul 14, 06:00 UTC1h 10m
2026-07-13 ROT266Y - Jul 13, 20:30 UTCJul 13, 21:35 UTC1h 5m
2026-07-13 ROT265R - Jul 13, 17:55 UTCJul 13, 19:10 UTC1h 15m
2026-07-13 ROT628V - Jul 13, 15:35 UTCJul 13, 16:35 UTC1h 0m
2026-07-13 ROT627N OTP → OMR Jul 13, 13:55 UTCJul 13, 15:00 UTC1h 5m
2026-07-13 ROT226J - Jul 13, 10:35 UTCJul 13, 12:55 UTC2h 20m
2026-07-13 ROT225P - Jul 13, 07:01 UTCJul 13, 09:35 UTC2h 35m
2026-07-13 ROT602K - Jul 13, 04:55 UTCJul 13, 05:45 UTC50m
2026-07-13 ROT601A - Jul 13, 03:10 UTCJul 13, 04:05 UTC55m
2026-07-12 ROT266Y - Jul 12, 20:30 UTCJul 12, 21:40 UTC1h 10m
2026-07-12 ROT265R - Jul 12, 18:10 UTCJul 12, 19:20 UTC1h 10m
2026-07-12 ROT264Y IST → OTP Jul 12, 15:55 UTCJul 12, 17:05 UTC1h 10m
2026-07-12 ROT263R OTP → IST Jul 12, 13:20 UTCJul 12, 14:35 UTC1h 15m
2026-07-12 ROT704A - Jul 12, 11:30 UTCJul 12, 12:20 UTC50m
2026-07-12 ROT703E - Jul 12, 09:30 UTCJul 12, 10:15 UTC45m
2026-07-12 ROT602K - Jul 12, 06:10 UTCJul 12, 07:01 UTC50m
2026-07-12 ROT601A - Jul 12, 04:30 UTCJul 12, 05:30 UTC1h 0m
2026-07-12 ROT810W - Jul 12, 02:50 UTCJul 12, 03:25 UTC35m
2026-07-11 ROT809H - Jul 11, 19:35 UTCJul 11, 20:20 UTC45m
2026-07-11 ROT628V OMR → OTP Jul 11, 16:50 UTCJul 11, 17:50 UTC1h 0m
2026-07-11 ROT627N OTP → OMR Jul 11, 14:55 UTCJul 11, 16:10 UTC1h 15m
2026-07-11 ROT276H SKG → OTP Jul 11, 12:30 UTCJul 11, 13:50 UTC1h 20m
2026-07-11 ROT275B - Jul 11, 10:20 UTCJul 11, 11:40 UTC1h 20m
2026-07-11 ROT262R - Jul 11, 07:20 UTCJul 11, 08:25 UTC1h 5m
2026-07-11 ROT261N - Jul 11, 04:45 UTCJul 11, 06:01 UTC1h 15m
2026-07-11 ROT810W - Jul 11, 02:40 UTCJul 11, 03:20 UTC40m
2026-07-10 ROT809H - Jul 10, 19:35 UTCJul 10, 20:15 UTC40m
2026-07-10 ROT238X - Jul 10, 16:20 UTCJul 10, 17:40 UTC1h 20m
2026-07-10 ROT237A - Jul 10, 14:05 UTCJul 10, 15:40 UTC1h 35m
2026-07-10 ROT226J PRG → OTP Jul 10, 10:50 UTCJul 10, 13:05 UTC2h 15m
2026-07-10 ROT225P - Jul 10, 07:15 UTCJul 10, 10:00 UTC2h 45m
2026-07-10 ROT642V - Jul 10, 05:20 UTCJul 10, 06:00 UTC40m
2026-07-10 ROT641X - Jul 10, 03:50 UTCJul 10, 04:30 UTC40m
2026-07-09 ROT209L - Jul 9, 20:35 UTCJul 9, 21:15 UTC40m
2026-07-09 ROT298Y SOF → OTP Jul 9, 18:55 UTCJul 9, 19:45 UTC50m
2026-07-09 ROT297H OTP → SOF Jul 9, 16:55 UTCJul 9, 17:35 UTC40m
2026-07-09 ROT276H - Jul 9, 14:20 UTCJul 9, 15:40 UTC1h 20m
2026-07-09 ROT275B - Jul 9, 12:10 UTCJul 9, 13:35 UTC1h 25m
2026-07-09 ROT604P - Jul 9, 10:10 UTCJul 9, 11:00 UTC50m
2026-07-09 ROT603W - Jul 9, 08:25 UTCJul 9, 09:20 UTC55m
2026-07-09 ROT702D - Jul 9, 06:25 UTCJul 9, 07:10 UTC45m
2026-07-09 ROT701W - Jul 9, 04:40 UTCJul 9, 05:25 UTC45m
2026-07-09 ROT810W - Jul 9, 02:30 UTCJul 9, 03:15 UTC45m
2026-07-08 ROT809H - Jul 8, 19:40 UTCJul 8, 20:20 UTC40m
2026-07-08 ROT264Y IST → OTP Jul 8, 17:10 UTCJul 8, 18:20 UTC1h 10m

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 YR-ATJ page for operator, model, and routing details .

Mode-S 4A068A frequently asked

What is Mode-S code 4A068A?
4A068A is an ICAO 24-bit transponder address. Allocated to Romania. Assigned to YR-ATJ.
Where is Mode-S 4A068A registered?
Mode-S code 4A068A is allocated to Romania (RO). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4A068A broadcasting right now?
Yes. Mode-S 4A068A is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4A068A, octal 22403212, decimal 4,851,338.
What flights does 4A068A operate?
Mode-S 4A068A has broadcast 20 distinct callsigns, including ROT809H, ROT810W, ROT262R, ROT261N, ROT238X.