Apparatus

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sensors Mode-S transponder

4A0441

ICAO 24-bit transponder address · allocated to Romania

Currently assigned to YR-ABA · AIRBUS A-319

Hex
4A0441
Octal
22402101
Decimal
4,850,753
Country
RO
Tail
YR-ABA
Type
A319
No current signal · last broadcast 13d ago
Flights observed
424
Distinct callsigns
20
Country
RO
Last broadcast
13d ago

Last known position

Most recent position reported by Mode-S 4A0441.

Country allocation

The ICAO 24-bit address 4A0441 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
VOE8RC Volotea 15 2026-06-28
VOE6KX - 15 2026-06-28
VOE56DL - 15 2026-06-29
VOE1784 - 15 2026-06-29
VOE9ZA - 11 2026-06-30
VOE1779 - 11 2026-06-30
VOE77BW - 9 2026-06-28
VOE1JR Volotea 9 2026-06-28
VOE1664 - 8 2026-06-28
VOE9VQ Volotea 7 2026-07-24
VOE9JA Volotea 7 2026-07-25
VOE9BA Volotea 7 2026-06-29
VOE93DP Volotea 7 2026-06-29
VOE83MR Volotea 7 2026-07-25
VOE3NG - 7 2026-06-28
VOE3BC Volotea 7 2026-07-26
VOE2XY Volotea 7 2026-07-24
VOE1RY Volotea 7 2026-07-26
VOE9FT - 6 2026-06-26
VOE7WZ Volotea 6 2026-06-30

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 VOE72CA PMI → NTE Jul 26, 22:00 UTCJul 26, 22:15 UTC15m
2026-07-26 VOE77PD NTE → PMI Jul 26, 19:45 UTCJul 26, 21:10 UTC1h 25m
2026-07-26 VOE7SM MPL → NTE Jul 26, 16:35 UTCJul 26, 17:35 UTC1h 0m
2026-07-26 VOE6XB NTE → MPL Jul 26, 14:50 UTCJul 26, 15:45 UTC55m
2026-07-26 VOE87LH BCN → NTE Jul 26, 12:25 UTCJul 26, 13:45 UTC1h 20m
2026-07-26 VOE99PL NTE → BCN Jul 26, 09:10 UTCJul 26, 10:20 UTC1h 10m
2026-07-26 VOE1RY PMI → NTE Jul 26, 06:50 UTCJul 26, 08:15 UTC1h 25m
2026-07-26 VOE3BC OLB → VRN Jul 26, 04:20 UTCJul 26, 05:50 UTC1h 30m
2026-07-25 VOE9HF - Jul 25, 19:20 UTCJul 25, 21:45 UTC2h 25m
2026-07-25 VOE59CW NTE → DBV Jul 25, 16:30 UTCJul 25, 18:30 UTC2h 0m
2026-07-25 VOE83MR ALC → NTE Jul 25, 14:15 UTCJul 25, 15:35 UTC1h 20m
2026-07-25 VOE3UA - Jul 25, 10:45 UTCJul 25, 12:25 UTC1h 40m
2026-07-25 VOE2QG ALC → LYS Jul 25, 07:50 UTCJul 25, 09:20 UTC1h 30m
2026-07-25 VOE9JA NTE → ALC Jul 25, 05:15 UTCJul 25, 06:55 UTC1h 40m
2026-07-24 VOE9VQ AJA → NTE Jul 24, 19:25 UTCJul 24, 20:55 UTC1h 30m
2026-07-24 VOE2XY NTE → AJA Jul 24, 16:25 UTCJul 24, 17:45 UTC1h 20m
2026-07-24 VOE50EQ OPO → NTE Jul 24, 14:15 UTCJul 24, 15:25 UTC1h 10m
2026-07-24 VOE65XR NTE → OPO Jul 24, 11:50 UTCJul 24, 13:15 UTC1h 25m
2026-07-24 VOE8NP TFS → LIL Jul 24, 08:10 UTCJul 24, 10:35 UTC2h 25m
2026-07-24 VOE2218 NTE → CTA Jul 24, 04:35 UTCJul 24, 06:35 UTC2h 0m
2026-07-23 VOE4SV - Jul 23, 17:45 UTCJul 23, 20:15 UTC2h 30m
2026-07-23 VOE2288 - Jul 23, 14:30 UTCJul 23, 16:30 UTC2h 0m
2026-07-23 VOE7ZP NCE → NTE Jul 23, 11:30 UTCJul 23, 12:40 UTC1h 10m
2026-07-23 VOE9TN NTE → NCE Jul 23, 09:10 UTCJul 23, 10:20 UTC1h 10m
2026-07-23 VOE2NK NTE → BIA Jul 23, 07:00 UTCJul 23, 08:00 UTC1h 0m
2026-07-23 VOE2EM NTE → MPL Jul 23, 05:05 UTCJul 23, 05:55 UTC50m
2026-07-22 VOE2RN - Jul 22, 18:50 UTCJul 22, 20:35 UTC1h 45m
2026-07-22 VOE58UJ - Jul 22, 16:25 UTCJul 22, 17:45 UTC1h 20m
2026-07-22 VOE94ZZ FSC → NTE Jul 22, 14:00 UTCJul 22, 15:35 UTC1h 35m
2026-07-22 VOE97NL - Jul 22, 11:30 UTCJul 22, 12:45 UTC1h 15m
2026-07-22 VOE2244 NTE → SPU Jul 22, 04:40 UTCJul 22, 05:25 UTC45m
2026-07-21 VOE6UE NAP → NTE Jul 21, 18:55 UTCJul 21, 21:00 UTC2h 5m
2026-07-21 VOE6SQ - Jul 21, 14:55 UTCJul 21, 16:35 UTC1h 40m
2026-07-21 VOE83MR - Jul 21, 12:05 UTCJul 21, 13:35 UTC1h 30m
2026-07-21 VOE9JA - Jul 21, 09:35 UTCJul 21, 11:10 UTC1h 35m
2026-07-21 VOE1RY PMI → NTE Jul 21, 07:15 UTCJul 21, 08:35 UTC1h 20m
2026-07-21 VOE3BC OLB → VRN Jul 21, 04:55 UTCJul 21, 06:40 UTC1h 45m
2026-07-20 VOE9VQ AJA → NTE Jul 20, 18:25 UTCJul 20, 20:05 UTC1h 40m
2026-07-20 VOE2XY - Jul 20, 16:25 UTCJul 20, 17:40 UTC1h 15m
2026-07-20 VOE8GK - Jul 20, 12:55 UTCJul 20, 14:35 UTC1h 40m
2026-07-20 VOE97SH - Jul 20, 10:15 UTCJul 20, 11:45 UTC1h 30m
2026-07-20 VOE5LG - Jul 20, 07:40 UTCJul 20, 09:20 UTC1h 40m
2026-07-20 VOE68CK - Jul 20, 05:30 UTCJul 20, 06:55 UTC1h 25m
2026-07-19 VOE72CA PMI → NTE Jul 19, 19:45 UTCJul 19, 21:05 UTC1h 20m
2026-07-19 VOE77PD NTE → PMI Jul 19, 17:20 UTCJul 19, 18:35 UTC1h 15m
2026-07-19 VOE7SM - Jul 19, 15:05 UTCJul 19, 16:05 UTC1h 0m
2026-07-19 VOE6XB - Jul 19, 13:20 UTCJul 19, 14:10 UTC50m
2026-07-19 VOE87LH - Jul 19, 11:20 UTCJul 19, 12:20 UTC1h 0m
2026-07-19 VOE99PL NTE → BCN Jul 19, 08:55 UTCJul 19, 10:10 UTC1h 15m
2026-07-19 VOE1RY - Jul 19, 06:50 UTCJul 19, 08:05 UTC1h 15m

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

Mode-S 4A0441 frequently asked

What is Mode-S code 4A0441?
4A0441 is an ICAO 24-bit transponder address. Allocated to Romania. Assigned to YR-ABA.
Where is Mode-S 4A0441 registered?
Mode-S code 4A0441 is allocated to Romania (RO). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4A0441 broadcasting right now?
No active broadcast right now. Last signal was 13d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4A0441, octal 22402101, decimal 4,850,753.
What flights does 4A0441 operate?
Mode-S 4A0441 has broadcast 20 distinct callsigns, including VOE8RC, VOE6KX, VOE56DL, VOE1784, VOE9ZA.