Apparatus

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sensors Mode-S transponder

151E52

ICAO 24-bit transponder address · allocated to Russia

Currently assigned to RA-73298 · BOEING 737-800

Hex
151E52
Octal
05217122
Decimal
1,384,018
Country
RU
Tail
RA-73298
Type
B738
No current signal · last broadcast 12h ago
Flights observed
66
Distinct callsigns
20
Country
RU
Last broadcast
12h ago

Last known position

Most recent position reported by Mode-S 151E52.

Country allocation

The ICAO 24-bit address 151E52 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
PBD840 Pobeda 8 2026-05-19
PBD839 Pobeda 7 2026-05-19
PBD856 - 6 2026-05-28
PBD855 Pobeda 4 2026-05-25
PBD993 - 2 2026-05-24
PBD859 - 2 2026-05-02
PBD769 - 2 2026-05-29
PBD735 - 2 2026-05-01
PBD729 - 2 2026-04-15
PBD6903 - 2 2026-05-09
PBD432 - 2 2026-04-26
PBD998 - 1 2026-05-17
PBD997 - 1 2026-05-23
PBD996 Pobeda 1 2026-04-27
PBD995 Pobeda 1 2026-05-20
PBD994 - 1 2026-05-27
PBD942 Pobeda 1 2026-05-07
PBD893 - 1 2026-04-19
PBD860 Pobeda 1 2026-05-02
PBD770 - 1 2026-05-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 PBD769 - May 29, 12:00 UTCMay 29, 12:25 UTC25m
2026-05-28 PBD856 - May 28, 10:45 UTCMay 29, 00:05 UTC13h 20m
2026-05-27 PBD994 - May 27, 13:45 UTCMay 28, 11:10 UTC21h 25m
2026-05-27 PBD769 - May 27, 12:10 UTCMay 27, 12:20 UTC10m
2026-05-25 PBD856 - May 25, 09:20 UTCMay 25, 09:50 UTC30m
2026-05-25 PBD855 VKO → VKO May 25, 08:00 UTCMay 25, 08:15 UTC15m
2026-05-24 PBD855 VKO → VKO May 24, 10:10 UTCMay 25, 08:15 UTC22h 5m
2026-05-24 PBD993 - May 24, 08:20 UTCMay 24, 08:30 UTC10m
2026-05-23 PBD997 - May 23, 10:10 UTCMay 23, 19:00 UTC8h 50m
2026-05-23 PBD993 - May 23, 07:55 UTCMay 23, 08:05 UTC10m
2026-05-21 PBD434 - May 21, 01:30 UTCMay 21, 02:10 UTC40m
2026-05-20 PBD995 VKO → IST May 20, 14:55 UTCMay 20, 15:05 UTC10m
2026-05-19 PBD840 AYT → AYT May 19, 11:40 UTCMay 19, 12:00 UTC20m
2026-05-19 PBD839 AYT → AYT May 19, 10:15 UTCMay 19, 10:25 UTC10m
2026-05-17 PBD840 AYT → AYT May 17, 16:01 UTCMay 17, 18:25 UTC2h 25m
2026-05-17 PBD839 AYT → AYT May 17, 14:35 UTCMay 17, 14:50 UTC15m
2026-05-17 PBD998 - May 17, 07:40 UTCMay 17, 08:00 UTC20m
2026-05-15 PBD744 - May 15, 03:15 UTCMay 15, 03:25 UTC10m
2026-05-13 PBD840 AYT → AYT May 13, 16:20 UTCMay 13, 23:05 UTC6h 45m
2026-05-12 PBD413 - May 12, 22:10 UTCMay 12, 23:20 UTC1h 10m
2026-05-12 PBD476 GSV → GSV May 12, 19:45 UTCMay 12, 20:15 UTC30m
2026-05-12 PBD770 - May 12, 10:15 UTCMay 12, 10:30 UTC15m
2026-05-11 PBD856 - May 11, 09:20 UTCMay 11, 10:20 UTC1h 0m
2026-05-10 PBD840 AYT → AYT May 10, 12:34 UTCMay 11, 08:05 UTC19h 30m
2026-05-10 PBD840 AYT → AYT May 10, 11:25 UTCMay 11, 08:05 UTC20h 40m
2026-05-10 PBD839 AYT → AYT May 10, 06:20 UTCMay 10, 10:19 UTC4h 0m
2026-05-09 PBD839 AYT → AYT May 9, 14:20 UTCMay 10, 10:19 UTC20h 0m
2026-05-09 PBD6903 SVO → SVO May 9, 13:10 UTCMay 9, 13:40 UTC30m
2026-05-07 PBD942 IST → IST May 7, 22:30 UTCMay 7, 22:40 UTC10m
2026-05-05 PBD530 KGD → LED May 5, 12:35 UTCMay 5, 13:40 UTC1h 5m
2026-05-04 PBD529 LED → KGD May 4, 23:40 UTCMay 5, 11:15 UTC11h 35m
2026-05-02 PBD860 AYT → AYT May 2, 14:05 UTCMay 2, 15:50 UTC1h 45m
2026-05-02 PBD859 - May 2, 10:15 UTCMay 2, 12:45 UTC2h 30m
2026-05-01 PBD859 - May 1, 16:05 UTCMay 2, 12:45 UTC20h 40m
2026-05-01 PBD735 - May 1, 15:00 UTCMay 1, 15:15 UTC15m
2026-05-01 PBD735 - May 1, 06:40 UTCMay 1, 14:15 UTC7h 35m
2026-04-30 PBD210 LED → VKO Apr 30, 14:50 UTCApr 30, 16:15 UTC1h 25m
2026-04-29 PBD840 AYT → AYT Apr 29, 12:15 UTCApr 29, 14:45 UTC2h 30m
2026-04-29 PBD839 AYT → AYT Apr 29, 10:35 UTCApr 29, 11:00 UTC25m
2026-04-27 PBD996 IST → IST Apr 27, 22:40 UTCApr 27, 22:50 UTC10m
2026-04-27 PBD856 - Apr 27, 12:45 UTCApr 27, 13:50 UTC1h 5m
2026-04-26 PBD432 - Apr 26, 18:40 UTCApr 27, 11:35 UTC16h 55m
2026-04-26 PBD840 AYT → AYT Apr 26, 11:00 UTCApr 26, 16:30 UTC5h 30m
2026-04-26 PBD839 AYT → AYT Apr 26, 09:20 UTCApr 26, 09:45 UTC25m
2026-04-25 PBD840 AYT → AYT Apr 25, 10:55 UTCApr 25, 18:00 UTC7h 5m
2026-04-25 PBD839 AYT → AYT Apr 25, 09:30 UTCApr 25, 09:50 UTC20m
2026-04-24 PBD432 - Apr 24, 17:25 UTCApr 24, 18:00 UTC35m
2026-04-24 PBD856 - Apr 24, 10:30 UTCApr 24, 15:10 UTC4h 40m
2026-04-24 PBD855 VKO → VKO Apr 24, 09:15 UTCApr 24, 09:30 UTC15m
2026-04-23 PBD414 - Apr 23, 11:10 UTCApr 24, 02:35 UTC15h 24m

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-73298 page for operator, model, and routing details .

Mode-S 151E52 frequently asked

What is Mode-S code 151E52?
151E52 is an ICAO 24-bit transponder address. Allocated to Russia. Assigned to RA-73298.
Where is Mode-S 151E52 registered?
Mode-S code 151E52 is allocated to Russia (RU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 151E52 broadcasting right now?
No active broadcast right now. Last signal was 12h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 151E52, octal 05217122, decimal 1,384,018.
What flights does 151E52 operate?
Mode-S 151E52 has broadcast 20 distinct callsigns, including PBD840, PBD839, PBD856, PBD855, PBD993.