Apparatus

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sensors Mode-S transponder

151E8C

ICAO 24-bit transponder address · allocated to Russia

Currently assigned to RA-73356 · BOEING 757-200

Hex
151E8C
Octal
05217214
Decimal
1,384,076
Country
RU
Tail
RA-73356
Type
B752
No current signal · last broadcast 1d ago
Flights observed
82
Distinct callsigns
20
Country
RU
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 151E8C.

Country allocation

The ICAO 24-bit address 151E8C 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
TUP9650 - 6 2026-07-11
TUP9644 - 6 2026-07-10
TUP9681 - 5 2026-07-12
TUP9634 - 5 2026-06-17
TUP9632 - 5 2026-06-07
TUP9646 - 4 2026-05-06
TUP9639 - 4 2026-07-01
TUP9622 - 4 2026-07-06
TUP6452 - 4 2026-04-16
TUP9631 - 3 2026-05-31
TUP9626 - 3 2026-05-07
TUP9612 - 3 2026-06-08
TUP9611 - 3 2026-07-14
TUP6482 Aviastar-TU 3 2026-05-28
TUP9633 - 2 2026-06-09
TUP9630 - 2 2026-04-29
TUP9620 - 2 2026-06-18
TUP9618 - 2 2026-06-11
TUP9616 - 2 2026-06-03
TUP6454 - 2 2026-05-30

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-16 TUP9643 - Jul 16, 17:54 UTCJul 16, 18:15 UTC20m
2026-07-16 TUP9674 - Jul 16, 09:55 UTCJul 16, 11:34 UTC1h 40m
2026-07-14 TUP9611 - Jul 14, 07:55 UTCJul 14, 14:40 UTC6h 45m
2026-07-12 TUP9681 - Jul 12, 22:05 UTCJul 12, 22:15 UTC10m
2026-07-11 TUP9650 - Jul 11, 14:45 UTCJul 11, 16:25 UTC1h 40m
2026-07-10 TUP9644 - Jul 10, 11:25 UTCJul 10, 12:55 UTC1h 30m
2026-07-06 TUP9622 - Jul 6, 02:55 UTCJul 6, 10:20 UTC7h 25m
2026-07-05 TUP9622 - Jul 5, 13:30 UTCJul 6, 10:20 UTC20h 50m
2026-07-04 TUP9650 - Jul 4, 22:25 UTCJul 5, 14:15 UTC15h 50m
2026-07-03 00000000 - Jul 3, 16:25 UTCJul 3, 18:15 UTC1h 50m
2026-07-01 TUP9639 - Jul 1, 20:40 UTCJul 1, 21:05 UTC25m
2026-07-01 TUP9628 - Jul 1, 02:40 UTCJul 1, 04:05 UTC1h 25m
2026-06-24 TUP9639 - Jun 24, 17:40 UTCJun 24, 17:50 UTC10m
2026-06-19 TUP9644 - Jun 19, 10:54 UTCJun 19, 19:49 UTC8h 55m
2026-06-18 TUP9644 - Jun 18, 19:25 UTCJun 19, 12:25 UTC16h 59m
2026-06-18 TUP9620 SVO → SVO Jun 18, 12:30 UTCJun 18, 12:45 UTC15m
2026-06-18 TUP9620 - Jun 18, 10:05 UTCJun 18, 11:40 UTC1h 35m
2026-06-18 TUP9619 SVO → SVO Jun 18, 00:55 UTCJun 18, 01:10 UTC15m
2026-06-17 TUP9634 - Jun 17, 13:20 UTCJun 17, 14:55 UTC1h 35m
2026-06-15 TUP9622 - Jun 15, 08:35 UTCJun 15, 10:50 UTC2h 15m
2026-06-13 TUP9639 - Jun 13, 17:45 UTCJun 13, 21:45 UTC4h 0m
2026-06-11 TUP9650 - Jun 11, 21:10 UTCJun 12, 16:05 UTC18h 56m
2026-06-11 TUP9618 - Jun 11, 02:10 UTCJun 11, 12:25 UTC10h 15m
2026-06-11 TUP9617 - Jun 11, 01:10 UTCJun 11, 01:20 UTC10m
2026-06-10 TUP9634 - Jun 10, 15:35 UTCJun 10, 16:10 UTC35m
2026-06-09 TUP9634 - Jun 9, 21:35 UTCJun 10, 14:45 UTC17h 10m
2026-06-09 TUP9633 - Jun 9, 18:30 UTCJun 9, 18:40 UTC10m
2026-06-08 TUP9612 - Jun 8, 23:35 UTCJun 9, 14:10 UTC14h 35m
2026-06-07 TUP9632 - Jun 7, 19:05 UTCJun 8, 14:20 UTC19h 15m
2026-06-07 TUP9632 - Jun 7, 18:00 UTCJun 8, 14:20 UTC20h 20m
2026-06-03 TUP9616 - Jun 3, 01:30 UTCJun 3, 17:40 UTC16h 10m
2026-06-02 TUP9616 - Jun 2, 16:25 UTCJun 3, 10:55 UTC18h 30m
2026-06-02 TUP9650 - Jun 2, 14:25 UTCJun 3, 10:55 UTC20h 30m
2026-06-01 TUP9650 - Jun 1, 19:35 UTCJun 2, 17:20 UTC21h 45m
2026-05-31 TUP9631 - May 31, 17:50 UTCMay 31, 18:00 UTC10m
2026-05-30 TUP9631 - May 30, 21:05 UTCMay 31, 18:00 UTC20h 55m
2026-05-30 TUP6454 - May 30, 20:35 UTCMay 31, 18:00 UTC21h 25m
2026-05-30 TUP6454 - May 30, 17:25 UTCMay 30, 21:05 UTC3h 40m
2026-05-28 TUP6482 NBC → NBC May 28, 21:25 UTCMay 28, 21:35 UTC10m
2026-05-28 TUP6482 NBC → NBC May 28, 17:25 UTCMay 28, 20:35 UTC3h 10m
2026-05-27 TUP6482 NBC → NBC May 27, 23:05 UTCMay 28, 20:35 UTC21h 30m
2026-05-26 TUP9611 - May 26, 00:44 UTCMay 26, 01:10 UTC25m
2026-05-25 TUP9611 SVO → SVO May 25, 23:49 UTCMay 26, 00:09 UTC20m
2026-05-23 TUP9632 - May 23, 12:50 UTCMay 23, 13:20 UTC30m
2026-05-22 TUP9632 - May 22, 17:20 UTCMay 23, 13:20 UTC19h 59m
2026-05-22 TUP9631 - May 22, 16:35 UTCMay 23, 13:20 UTC20h 44m
2026-05-22 TUP9618 - May 22, 01:20 UTCMay 22, 10:35 UTC9h 15m
2026-05-17 TUP9681 - May 17, 18:25 UTCMay 18, 02:45 UTC8h 20m
2026-05-13 TUP9632 - May 13, 22:10 UTCMay 14, 14:15 UTC16h 5m
2026-05-13 TUP9612 - May 13, 08:40 UTCMay 13, 22:35 UTC13h 55m

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-73356 page for operator, model, and routing details .

Mode-S 151E8C frequently asked

What is Mode-S code 151E8C?
151E8C is an ICAO 24-bit transponder address. Allocated to Russia. Assigned to RA-73356.
Where is Mode-S 151E8C registered?
Mode-S code 151E8C is allocated to Russia (RU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 151E8C 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 151E8C, octal 05217214, decimal 1,384,076.
What flights does 151E8C operate?
Mode-S 151E8C has broadcast 20 distinct callsigns, including TUP9650, TUP9644, TUP9681, TUP9634, TUP9632.