Apparatus

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sensors Mode-S transponder

151DD5

ICAO 24-bit transponder address · allocated to Russia

Currently assigned to RA-73173 · AIRBUS A-320

Hex
151DD5
Octal
05216725
Decimal
1,383,893
Country
RU
Tail
RA-73173
Type
A320
No current signal · last broadcast 16h ago
Flights observed
170
Distinct callsigns
20
Country
RU
Last broadcast
16h ago

Last known position

Most recent position reported by Mode-S 151DD5.

Country allocation

The ICAO 24-bit address 151DD5 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
AFL1431 Aeroflot Russian Airlines 5 2026-06-08
AFL2146 Aeroflot Russian Airlines 4 2026-04-16
AFL1458 Aeroflot Russian Airlines 4 2026-06-10
AFL657 - 3 2026-06-26
AFL2172 - 3 2026-06-26
AFL1891 Aeroflot Russian Airlines 3 2026-04-20
AFL1870 Aeroflot Russian Airlines 3 2026-07-08
AFL1850 Aeroflot Russian Airlines 3 2026-06-09
AFL1829 - 3 2026-07-11
AFL1459 Aeroflot Russian Airlines 3 2026-06-11
AFL1430 Aeroflot Russian Airlines 3 2026-05-27
AFL1359 - 3 2026-07-13
AFL796 Aeroflot Russian Airlines 2 2026-05-08
AFL791 Aeroflot Russian Airlines 2 2026-05-08
AFL612 Aeroflot Russian Airlines 2 2026-05-16
AFL603 Aeroflot Russian Airlines 2 2026-06-14
AFL2955 Aeroflot Russian Airlines 2 2026-05-07
AFL2165 - 2 2026-07-02
AFL2164 - 2 2026-07-02
AFL2163 - 2 2026-07-05

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 AFL1545 - Jul 14, 10:15 UTCJul 14, 10:35 UTC20m
2026-07-14 AFL1544 SVO → SVO Jul 14, 07:05 UTCJul 14, 07:30 UTC25m
2026-07-14 AFL1763 - Jul 14, 03:05 UTCJul 14, 03:20 UTC15m
2026-07-13 AFL1359 GSV → GSV Jul 13, 16:35 UTCJul 13, 16:45 UTC10m
2026-07-12 AFL1531 - Jul 12, 02:01 UTCJul 12, 04:55 UTC2h 55m
2026-07-11 AFL1829 - Jul 11, 14:10 UTCJul 11, 14:25 UTC15m
2026-07-11 AFL1828 SVO → SVO Jul 11, 09:55 UTCJul 11, 10:40 UTC45m
2026-07-10 AFL1494 - Jul 10, 20:40 UTCJul 11, 01:50 UTC5h 10m
2026-07-09 AFL1678 SVO → SVO Jul 9, 05:05 UTCJul 9, 06:05 UTC1h 0m
2026-07-08 AFL1870 SVO → TAS Jul 8, 17:40 UTCJul 8, 18:10 UTC30m
2026-07-06 AFL1246 - Jul 6, 16:05 UTCJul 6, 16:20 UTC15m
2026-07-05 AFL2163 - Jul 5, 20:10 UTCJul 5, 20:45 UTC35m
2026-07-05 AFL2163 - Jul 5, 16:20 UTCJul 5, 18:10 UTC1h 50m
2026-07-05 AFL761 - Jul 5, 03:30 UTCJul 5, 14:35 UTC11h 5m
2026-07-05 AFL2162 - Jul 5, 01:15 UTCJul 5, 01:45 UTC30m
2026-07-04 AFL2162 SVO → SVO Jul 4, 21:15 UTCJul 4, 22:15 UTC1h 0m
2026-07-04 AFL1829 - Jul 4, 14:25 UTCJul 4, 14:45 UTC20m
2026-07-02 AFL2165 - Jul 2, 17:30 UTCJul 2, 19:20 UTC1h 50m
2026-07-02 AFL785 - Jul 2, 04:30 UTCJul 2, 14:55 UTC10h 25m
2026-07-02 AFL2164 - Jul 2, 02:25 UTCJul 2, 02:55 UTC30m
2026-07-01 AFL1246 SVO → SVO Jul 1, 15:05 UTCJul 1, 15:25 UTC20m
2026-06-30 AFL2165 - Jun 30, 17:35 UTCJun 30, 19:25 UTC1h 50m
2026-06-30 AFL753 - Jun 30, 04:25 UTCJun 30, 15:35 UTC11h 10m
2026-06-30 AFL2164 - Jun 30, 02:15 UTCJun 30, 02:45 UTC30m
2026-06-27 AFL1314 SVO → SVO Jun 27, 16:55 UTCJun 27, 17:20 UTC25m
2026-06-27 AFL1058 SVO → SVO Jun 27, 08:14 UTCJun 27, 08:39 UTC25m
2026-06-26 AFL657 - Jun 26, 10:50 UTCJun 26, 11:20 UTC30m
2026-06-26 AFL2172 - Jun 26, 08:34 UTCJun 26, 09:00 UTC25m
2026-06-25 AFL1341 - Jun 25, 15:59 UTCJun 25, 16:35 UTC35m
2026-06-23 AFL1005 - Jun 23, 14:29 UTCJun 24, 02:15 UTC11h 45m
2026-06-23 AFL1004 - Jun 23, 04:45 UTCJun 23, 12:55 UTC8h 10m
2026-06-22 AFL1688 - Jun 22, 12:10 UTCJun 22, 12:40 UTC30m
2026-06-21 AFL1870 SVO → TAS Jun 21, 17:54 UTCJun 21, 18:10 UTC15m
2026-06-21 AFL1855 SVO → SVO Jun 21, 14:54 UTCJun 21, 14:59 UTC5m
2026-06-19 AFL1327 MMK → SVO Jun 19, 19:25 UTCJun 19, 19:34 UTC10m
2026-06-19 AFL1326 SVO → MMK Jun 19, 15:14 UTCJun 19, 15:29 UTC15m
2026-06-19 AFL019 LED → SVO Jun 19, 12:25 UTCJun 19, 13:39 UTC1h 15m
2026-06-19 AFL1219 - Jun 19, 06:24 UTCJun 19, 06:39 UTC15m
2026-06-18 AFL1775 - Jun 18, 18:35 UTCJun 18, 19:30 UTC55m
2026-06-17 AFL1870 SVO → TAS Jun 17, 17:05 UTCJun 17, 18:30 UTC1h 25m
2026-06-17 AFL1313 MRV → SVO Jun 17, 14:00 UTCJun 17, 14:55 UTC55m
2026-06-14 AFL603 EVN → LED Jun 14, 23:25 UTCJun 14, 23:54 UTC30m
2026-06-12 AFL603 EVN → LED Jun 12, 22:25 UTCJun 12, 23:20 UTC55m
2026-06-12 AFL602 LED → EVN Jun 12, 20:55 UTCJun 12, 21:05 UTC10m
2026-06-12 AFL2954 LED → KRR Jun 12, 05:25 UTCJun 12, 05:45 UTC20m
2026-06-12 AFL022 SVO → LED Jun 12, 02:40 UTCJun 12, 03:20 UTC40m
2026-06-11 AFL1286 SVO → VOG Jun 11, 16:35 UTCJun 11, 16:55 UTC20m
2026-06-11 AFL1459 NOZ → SVO Jun 11, 01:00 UTCJun 11, 01:35 UTC35m
2026-06-10 AFL1458 SVO → NOZ Jun 10, 23:10 UTCJun 10, 23:45 UTC35m
2026-06-10 AFL1768 SVO → PEE Jun 10, 12:30 UTCJun 10, 12:50 UTC20m

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-73173 page for operator, model, and routing details .

Mode-S 151DD5 frequently asked

What is Mode-S code 151DD5?
151DD5 is an ICAO 24-bit transponder address. Allocated to Russia. Assigned to RA-73173.
Where is Mode-S 151DD5 registered?
Mode-S code 151DD5 is allocated to Russia (RU). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 151DD5 broadcasting right now?
No active broadcast right now. Last signal was 16h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 151DD5, octal 05216725, decimal 1,383,893.
What flights does 151DD5 operate?
Mode-S 151DD5 has broadcast 20 distinct callsigns, including AFL1431, AFL2146, AFL1458, AFL657, AFL2172.