Apparatus

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sensors Mode-S transponder

151D58

ICAO 24-bit transponder address · allocated to Russia

Currently assigned to RA-73048 · BOEING 737-500

Hex
151D58
Octal
05216530
Decimal
1,383,768
Country
RU
Tail
RA-73048
Type
B735
Broadcasting now · callsign UTA456 · 13,100 ft
Flights observed
206
Distinct callsigns
20
Country
RU
Last broadcast
6h ago

Current position

151D58 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 151D58 falls within the block assigned to Russia (RU) by ICAO Annex 10, Volume III. Every aircraft registered in Russia 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
UTA352 - 23 2026-07-17
UTA596 - 19 2026-07-17
UTA595 - 18 2026-07-17
UTA334 - 14 2026-07-14
UTA744 - 11 2026-07-12
UTA456 UTair Aviation 11 2026-07-07
UTA333 - 11 2026-07-14
UTA180 - 11 2026-07-13
UTA351 - 10 2026-07-17
UTA743 - 8 2026-07-12
UTA764 - 6 2026-07-11
UTA763 - 6 2026-07-11
UTA375 - 6 2026-07-03
UTA376 - 4 2026-07-03
UTA1376 - 4 2026-06-29
UTA455 UTair Aviation 3 2026-07-18
UTA398 - 3 2026-07-16
UTA397 - 3 2026-07-16
UTA179 - 3 2026-07-10
UTA768 - 2 2026-07-09

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-18 UTA455 VKO → NOJ Jul 18, 07:55 UTCJul 18, 09:10 UTC1h 15m
2026-07-17 UTA352 - Jul 17, 18:55 UTCJul 18, 06:05 UTC11h 11m
2026-07-17 UTA351 - Jul 17, 18:05 UTCJul 17, 18:19 UTC15m
2026-07-17 UTA596 - Jul 17, 12:04 UTCJul 17, 14:20 UTC2h 15m
2026-07-17 UTA595 - Jul 17, 08:10 UTCJul 17, 10:40 UTC2h 30m
2026-07-16 UTA352 - Jul 16, 18:19 UTCJul 17, 05:39 UTC11h 20m
2026-07-16 UTA398 - Jul 16, 12:44 UTCJul 16, 15:49 UTC3h 5m
2026-07-16 UTA397 - Jul 16, 07:45 UTCJul 16, 11:15 UTC3h 30m
2026-07-15 UTA576 - Jul 15, 14:45 UTCJul 15, 17:35 UTC2h 50m
2026-07-15 UTA575 - Jul 15, 08:05 UTCJul 15, 11:20 UTC3h 15m
2026-07-14 UTA352 - Jul 14, 17:55 UTCJul 15, 05:35 UTC11h 39m
2026-07-14 UTA334 - Jul 14, 09:15 UTCJul 14, 11:25 UTC2h 10m
2026-07-14 UTA333 - Jul 14, 05:40 UTCJul 14, 07:40 UTC2h 0m
2026-07-13 UTA180 - Jul 13, 13:05 UTCJul 13, 18:10 UTC5h 5m
2026-07-12 UTA180 - Jul 12, 13:25 UTCJul 12, 19:01 UTC5h 35m
2026-07-12 UTA744 - Jul 12, 11:01 UTCJul 12, 11:20 UTC20m
2026-07-12 UTA744 - Jul 12, 08:15 UTCJul 12, 10:05 UTC1h 50m
2026-07-12 UTA743 - Jul 12, 03:25 UTCJul 12, 06:01 UTC2h 35m
2026-07-11 UTA764 - Jul 11, 19:10 UTCJul 11, 22:01 UTC2h 50m
2026-07-11 UTA763 - Jul 11, 14:15 UTCJul 11, 17:20 UTC3h 5m
2026-07-11 UTA744 - Jul 11, 08:10 UTCJul 11, 10:45 UTC2h 35m
2026-07-11 UTA743 - Jul 11, 03:10 UTCJul 11, 06:01 UTC2h 50m
2026-07-10 UTA180 - Jul 10, 17:35 UTCJul 10, 18:00 UTC25m
2026-07-10 UTA179 - Jul 10, 13:00 UTCJul 10, 17:00 UTC4h 0m
2026-07-10 UTA334 - Jul 10, 11:00 UTCJul 10, 11:20 UTC20m
2026-07-10 UTA334 - Jul 10, 09:05 UTCJul 10, 10:10 UTC1h 5m
2026-07-10 UTA333 - Jul 10, 05:25 UTCJul 10, 07:20 UTC1h 55m
2026-07-09 UTA768 - Jul 9, 22:35 UTCJul 9, 23:05 UTC30m
2026-07-09 UTA767 VKO → LLK Jul 9, 14:50 UTCJul 9, 20:35 UTC5h 45m
2026-07-09 UTA744 - Jul 9, 07:55 UTCJul 9, 10:55 UTC3h 0m
2026-07-09 UTA743 - Jul 9, 03:00 UTCJul 9, 05:35 UTC2h 35m
2026-07-08 UTA180 - Jul 8, 17:45 UTCJul 8, 18:10 UTC25m
2026-07-08 UTA179 - Jul 8, 13:05 UTCJul 8, 17:00 UTC3h 55m
2026-07-08 UTA6316 - Jul 8, 10:05 UTCJul 8, 10:35 UTC30m
2026-07-08 UTA6315 - Jul 8, 02:20 UTCJul 8, 09:20 UTC7h 0m
2026-07-07 UTA456 NOJ → VKO Jul 7, 16:30 UTCJul 7, 17:05 UTC35m
2026-07-07 UTA456 NOJ → VKO Jul 7, 08:30 UTCJul 7, 15:00 UTC6h 30m
2026-07-07 UTA352 - Jul 7, 05:30 UTCJul 7, 05:50 UTC20m
2026-07-06 UTA351 - Jul 6, 20:50 UTCJul 7, 04:35 UTC7h 45m
2026-07-06 UTA398 - Jul 6, 15:30 UTCJul 6, 18:20 UTC2h 50m
2026-07-06 UTA397 - Jul 6, 10:35 UTCJul 6, 13:50 UTC3h 15m
2026-07-06 UTA334 - Jul 6, 06:50 UTCJul 6, 09:05 UTC2h 15m
2026-07-06 UTA333 - Jul 6, 03:10 UTCJul 6, 05:05 UTC1h 55m
2026-07-05 UTA180 - Jul 5, 13:05 UTCJul 5, 18:20 UTC5h 15m
2026-07-05 UTA744 - Jul 5, 08:15 UTCJul 5, 11:30 UTC3h 15m
2026-07-05 UTA743 - Jul 5, 03:00 UTCJul 5, 05:40 UTC2h 40m
2026-07-04 UTA764 - Jul 4, 19:15 UTCJul 4, 22:05 UTC2h 50m
2026-07-04 UTA763 - Jul 4, 14:25 UTCJul 4, 17:25 UTC3h 0m
2026-07-04 UTA559F - Jul 4, 05:15 UTCJul 4, 11:25 UTC6h 10m
2026-07-03 UTA376 - Jul 3, 23:05 UTCJul 4, 00:45 UTC1h 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 RA-73048 page for operator, model, and routing details .

Mode-S 151D58 frequently asked

What is Mode-S code 151D58?
151D58 is an ICAO 24-bit transponder address. Allocated to Russia. Assigned to RA-73048.
Where is Mode-S 151D58 registered?
Mode-S code 151D58 is allocated to Russia (RU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 151D58 broadcasting right now?
Yes. Mode-S 151D58 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 151D58, octal 05216530, decimal 1,383,768.
What flights does 151D58 operate?
Mode-S 151D58 has broadcast 20 distinct callsigns, including UTA352, UTA596, UTA595, UTA334, UTA744.