Apparatus

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sensors Mode-S transponder

151EB9

ICAO 24-bit transponder address · allocated to Russia

Currently assigned to RA-73401 · AIRBUS A-320

Hex
151EB9
Octal
05217271
Decimal
1,384,121
Country
RU
Tail
RA-73401
Type
A320
No current signal · last broadcast 1d ago
Flights observed
153
Distinct callsigns
20
Country
RU
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 151EB9.

Country allocation

The ICAO 24-bit address 151EB9 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
SBI3745 S7 Airlines (Siberia Airlines) 12 2026-05-19
SBI3749 S7 Airlines (Siberia Airlines) 11 2026-06-02
SBI3032 S7 Airlines (Siberia Airlines) 11 2026-05-30
SBI3746 S7 Airlines (Siberia Airlines) 8 2026-05-24
SBI2582 S7 Airlines (Siberia Airlines) 8 2026-06-02
SBI3021 S7 Airlines (Siberia Airlines) 7 2026-05-17
SBI5591 S7 Airlines (Siberia Airlines) 5 2026-05-28
SBI5115 S7 Airlines (Siberia Airlines) 5 2026-06-11
SBI3022 S7 Airlines (Siberia Airlines) 5 2026-05-07
SBI3018 S7 Airlines (Siberia Airlines) 5 2026-05-25
SBI2606 S7 Airlines (Siberia Airlines) 5 2026-05-01
SBI3017 S7 Airlines (Siberia Airlines) 4 2026-05-15
SBI2605 S7 Airlines (Siberia Airlines) 4 2026-05-31
SBI5304 S7 Airlines (Siberia Airlines) 3 2026-06-07
SBI3750 S7 Airlines (Siberia Airlines) 3 2026-06-02
SBI3031 S7 Airlines (Siberia Airlines) 3 2026-05-29
SBI2593 S7 Airlines (Siberia Airlines) 3 2026-05-22
SBI2170 S7 Airlines (Siberia Airlines) 3 2026-05-16
SBI6311 - 2 2026-04-20
SBI5592 S7 Airlines (Siberia Airlines) 2 2026-05-28

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-11 SBI5115 OVB → KRR Jun 11, 11:10 UTCJun 11, 11:55 UTC45m
2026-06-10 SBI5246 NER → OVB Jun 10, 18:10 UTCJun 11, 02:40 UTC8h 30m
2026-06-10 SBI5151 OVB → MCX Jun 10, 09:55 UTCJun 10, 10:40 UTC45m
2026-06-09 SBI5241 OVB → MJZ Jun 9, 22:05 UTCJun 10, 04:40 UTC6h 35m
2026-06-09 SBI5115 OVB → KRR Jun 9, 07:15 UTCJun 9, 08:15 UTC1h 0m
2026-06-08 SBI5727 OVB → XIY Jun 8, 16:55 UTCJun 9, 02:35 UTC9h 40m
2026-06-08 SBI5566 TAS → OVB Jun 8, 07:30 UTCJun 8, 13:25 UTC5h 55m
2026-06-07 SBI5304 NSK → OVB Jun 7, 22:00 UTCJun 8, 04:00 UTC6h 0m
2026-06-05 SBI2505 DME → OVB Jun 5, 21:45 UTCJun 6, 10:45 UTC13h 0m
2026-06-04 SBI5303 OVB → NSK Jun 4, 23:35 UTCJun 5, 05:35 UTC6h 0m
2026-06-04 SBI2050 AER → DME Jun 4, 10:40 UTCJun 4, 11:20 UTC40m
2026-06-04 SBI3276 UKK → DME Jun 4, 00:25 UTCJun 4, 03:25 UTC3h 0m
2026-06-03 SBI2050 AER → DME Jun 3, 11:05 UTCJun 3, 23:05 UTC12h 0m
2026-06-02 SBI2565 DME → OMS Jun 2, 20:50 UTCJun 3, 11:55 UTC15h 5m
2026-06-02 SBI3750 IST → DME Jun 2, 13:55 UTCJun 2, 18:05 UTC4h 10m
2026-06-02 SBI3749 DME → IST Jun 2, 10:50 UTCJun 2, 12:05 UTC1h 15m
2026-06-02 SBI2582 NSK → DME Jun 2, 06:00 UTCJun 2, 06:15 UTC15m
2026-06-01 SBI2582 NSK → DME Jun 1, 21:20 UTCJun 2, 05:25 UTC8h 5m
2026-06-01 SBI2581 DME → NSK Jun 1, 00:20 UTCJun 1, 22:25 UTC22h 5m
2026-05-31 SBI2605 DME → KEJ May 31, 13:45 UTCMay 31, 23:05 UTC9h 20m
2026-05-31 SBI3749 DME → IST May 31, 00:45 UTCMay 31, 11:50 UTC11h 5m
2026-05-30 SBI3032 UUD → DME May 30, 05:40 UTCMay 30, 23:10 UTC17h 30m
2026-05-30 SBI3032 UUD → DME May 30, 02:45 UTCMay 30, 23:10 UTC20h 25m
2026-05-29 SBI3032 UUD → DME May 29, 20:55 UTCMay 30, 16:55 UTC20h 0m
2026-05-29 SBI3032 UUD → DME May 29, 18:55 UTCMay 30, 16:55 UTC22h 0m
2026-05-29 SBI3032 UUD → DME May 29, 08:20 UTCMay 30, 07:05 UTC22h 45m
2026-05-29 SBI3031 DME → UUD May 29, 06:20 UTCMay 30, 06:00 UTC23h 40m
2026-05-28 SBI5241 OVB → MJZ May 28, 21:20 UTCMay 29, 04:15 UTC6h 55m
2026-05-28 SBI5592 EVN → OVB May 28, 12:05 UTCMay 28, 12:30 UTC25m
2026-05-28 SBI5591 OVB → EVN May 28, 09:45 UTCMay 28, 10:15 UTC30m
2026-05-27 SBI5244 MJZ → OVB May 27, 20:35 UTCMay 28, 03:20 UTC6h 45m
2026-05-27 SBI5116 KRR → OVB May 27, 11:15 UTCMay 27, 11:35 UTC20m
2026-05-27 SBI5115 OVB → KRR May 27, 08:30 UTCMay 27, 09:00 UTC30m
2026-05-26 SBI5246 NER → OVB May 26, 18:05 UTCMay 27, 02:39 UTC8h 35m
2026-05-26 SBI5592 EVN → OVB May 26, 12:00 UTCMay 26, 12:24 UTC25m
2026-05-26 SBI5591 OVB → EVN May 26, 09:40 UTCMay 26, 10:10 UTC30m
2026-05-25 SBI5304 NSK → OVB May 25, 22:05 UTCMay 26, 04:10 UTC6h 5m
2026-05-25 SBI2511 DME → OVB May 25, 17:05 UTCMay 25, 18:20 UTC1h 15m
2026-05-25 SBI3018 IKT → DME May 25, 07:00 UTCMay 25, 07:15 UTC15m
2026-05-24 SBI3018 IKT → DME May 24, 18:50 UTCMay 25, 03:45 UTC8h 55m
2026-05-24 SBI3746 AYT → DME May 24, 12:05 UTCMay 24, 14:05 UTC2h 0m
2026-05-23 SBI3750 IST → DME May 23, 15:15 UTCMay 23, 20:45 UTC5h 31m
2026-05-23 SBI3749 DME → IST May 23, 11:45 UTCMay 23, 11:55 UTC10m
2026-05-23 SBI2594 ABA → DME May 23, 00:40 UTCMay 23, 03:10 UTC2h 29m
2026-05-22 SBI2593 DME → ABA May 22, 22:25 UTCMay 22, 22:40 UTC15m
2026-05-22 SBI2593 DME → ABA May 22, 19:00 UTCMay 22, 19:10 UTC10m
2026-05-22 SBI1136 UFA → DME May 22, 10:55 UTCMay 22, 11:20 UTC25m
2026-05-20 SBI2630 RGK → DME May 20, 20:15 UTCMay 21, 04:50 UTC8h 35m
2026-05-20 SBI3032 UUD → DME May 20, 02:40 UTCMay 20, 21:50 UTC19h 11m
2026-05-19 SBI3032 UUD → DME May 19, 21:25 UTCMay 20, 20:15 UTC22h 51m

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-73401 page for operator, model, and routing details .

Mode-S 151EB9 frequently asked

What is Mode-S code 151EB9?
151EB9 is an ICAO 24-bit transponder address. Allocated to Russia. Assigned to RA-73401.
Where is Mode-S 151EB9 registered?
Mode-S code 151EB9 is allocated to Russia (RU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 151EB9 broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 151EB9, octal 05217271, decimal 1,384,121.
What flights does 151EB9 operate?
Mode-S 151EB9 has broadcast 20 distinct callsigns, including SBI3745, SBI3749, SBI3032, SBI3746, SBI2582.