sensors Mode-S transponder
151DDF
ICAO 24-bit transponder address · allocated to Russia
Currently assigned to RA-73183 · AIRBUS A-320
- Hex
- 151DDF
- Octal
- 05216737
- Decimal
- 1,383,903
- Country
- RU
- Tail
- RA-73183
- Type
- A320
- Flights observed
- 99
- Distinct callsigns
- 20
- Country
- RU
- Last broadcast
- 1h ago
Last known position
Country allocation
The ICAO 24-bit address 151DDF 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
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | SBI2581 | DME → NSK | May 29, 21:40 UTC | May 30, 03:45 UTC | 6h 5m |
| 2026-05-29 | SBI1073 | DME → KUF | May 29, 13:10 UTC | May 29, 13:30 UTC | 20m |
| 2026-05-28 | SBI3746 | AYT → DME | May 28, 12:00 UTC | May 28, 13:50 UTC | 1h 50m |
| 2026-05-28 | SBI3745 | DME → AYT | May 28, 10:15 UTC | May 28, 10:40 UTC | 25m |
| 2026-05-27 | SBI2565 | DME → OMS | May 27, 21:00 UTC | May 27, 21:20 UTC | 20m |
| 2026-05-25 | SBI3034 | UUD → DME | May 25, 23:04 UTC | May 26, 05:05 UTC | 6h 0m |
| 2026-05-25 | SBI3749 | DME → IST | May 25, 11:10 UTC | May 25, 11:20 UTC | 10m |
| 2026-05-24 | SBI2630 | RGK → DME | May 24, 21:35 UTC | May 25, 04:35 UTC | 7h 0m |
| 2026-05-24 | SBI1007 | DME → LED | May 24, 16:20 UTC | May 24, 16:30 UTC | 10m |
| 2026-05-23 | SBI3034 | UUD → DME | May 23, 23:30 UTC | May 24, 08:10 UTC | 8h 40m |
| 2026-05-23 | SBI3034 | UUD → DME | May 23, 10:15 UTC | May 24, 08:10 UTC | 21h 56m |
| 2026-05-23 | SBI3032 | UUD → DME | May 23, 07:00 UTC | May 23, 07:15 UTC | 15m |
| 2026-05-22 | SBI3031 | DME → UUD | May 22, 18:05 UTC | May 23, 06:05 UTC | 12h 0m |
| 2026-05-22 | SBI3746 | AYT → DME | May 22, 12:05 UTC | May 22, 14:05 UTC | 2h 0m |
| 2026-05-22 | SBI3745 | DME → AYT | May 22, 09:55 UTC | May 22, 10:05 UTC | 10m |
| 2026-05-22 | SBI2606 | KEJ → DME | May 22, 00:25 UTC | May 22, 03:30 UTC | 3h 5m |
| 2026-05-21 | SBI2605 | DME → KEJ | May 21, 22:20 UTC | May 21, 23:00 UTC | 40m |
| 2026-05-21 | SBI3749 | DME → IST | May 21, 11:25 UTC | May 21, 11:40 UTC | 15m |
| 2026-05-20 | SBI3746 | AYT → DME | May 20, 12:05 UTC | May 20, 14:25 UTC | 2h 20m |
| 2026-05-19 | SBI3749 | DME → IST | May 19, 13:00 UTC | May 19, 13:10 UTC | 10m |
| 2026-05-17 | SBI2582 | NSK → DME | May 17, 22:50 UTC | May 18, 16:45 UTC | 17h 55m |
| 2026-05-16 | SBI2514 | OVB → DME | May 16, 14:16 UTC | May 16, 17:01 UTC | 2h 45m |
| 2026-05-15 | SBI3746 | AYT → DME | May 15, 12:00 UTC | May 16, 06:01 UTC | 18h 0m |
| 2026-05-14 | SBI3032 | UUD → DME | May 14, 01:10 UTC | May 14, 06:15 UTC | 5h 5m |
| 2026-05-13 | SBI3031 | DME → UUD | May 13, 19:30 UTC | May 13, 23:20 UTC | 3h 50m |
| 2026-05-13 | SBI3031 | DME → UUD | May 13, 18:20 UTC | May 13, 18:35 UTC | 15m |
| 2026-05-12 | SBI2572 | NUX → DME | May 12, 13:51 UTC | May 13, 05:55 UTC | 16h 5m |
| 2026-05-11 | SBI2629 | DME → RGK | May 11, 20:15 UTC | May 11, 21:30 UTC | 1h 15m |
| 2026-05-10 | SBI3017 | DME → IKT | May 10, 19:54 UTC | May 11, 05:35 UTC | 9h 40m |
| 2026-05-10 | SBI3746 | AYT → DME | May 10, 12:19 UTC | May 10, 14:14 UTC | 1h 55m |
| 2026-05-10 | SBI3745 | DME → AYT | May 10, 08:35 UTC | May 10, 11:05 UTC | 2h 30m |
| 2026-05-09 | SBI3745 | DME → AYT | May 9, 14:25 UTC | May 10, 11:05 UTC | 20h 40m |
| 2026-05-09 | SBI2594 | ABA → DME | May 9, 01:00 UTC | May 9, 14:40 UTC | 13h 40m |
| 2026-05-08 | SBI2582 | NSK → DME | May 8, 06:20 UTC | May 8, 23:00 UTC | 16h 40m |
| 2026-05-07 | SBI3032 | UUD → DME | May 7, 01:00 UTC | May 7, 03:20 UTC | 2h 20m |
| 2026-05-06 | SBI3031 | DME → UUD | May 6, 21:15 UTC | May 6, 21:45 UTC | 30m |
| 2026-05-06 | SBI3031 | DME → UUD | May 6, 18:00 UTC | May 6, 18:25 UTC | 25m |
| 2026-05-06 | SBI3032 | UUD → DME | May 6, 01:05 UTC | May 6, 03:30 UTC | 2h 25m |
| 2026-05-05 | SBI3031 | DME → UUD | May 5, 21:20 UTC | May 5, 23:15 UTC | 1h 55m |
| 2026-05-05 | SBI3034 | UUD → DME | May 5, 11:55 UTC | May 5, 12:15 UTC | 20m |
| 2026-05-05 | SBI3034 | UUD → DME | May 5, 02:35 UTC | May 5, 05:05 UTC | 2h 30m |
| 2026-05-04 | SBI3033 | DME → UUD | May 4, 06:20 UTC | May 5, 00:30 UTC | 18h 11m |
| 2026-05-03 | SBI5229 | OVB → IKT | May 3, 21:44 UTC | May 4, 03:15 UTC | 5h 30m |
| 2026-05-02 | SBI2582 | NSK → DME | May 2, 03:55 UTC | May 2, 22:30 UTC | 18h 35m |
| 2026-05-01 | SBI2582 | NSK → DME | May 1, 22:20 UTC | May 2, 20:10 UTC | 21h 51m |
| 2026-05-01 | SBI2582 | NSK → DME | May 1, 06:00 UTC | May 2, 05:20 UTC | 23h 20m |
| 2026-05-01 | SBI2581 | DME → NSK | May 1, 03:50 UTC | May 1, 23:20 UTC | 19h 30m |
| 2026-05-01 | SBI3018 | IKT → DME | May 1, 03:10 UTC | May 1, 23:20 UTC | 20h 10m |
| 2026-04-30 | SBI2566 | OMS → DME | Apr 30, 04:00 UTC | Apr 30, 04:10 UTC | 10m |
| 2026-04-29 | SBI2565 | DME → OMS | Apr 29, 21:10 UTC | Apr 30, 02:20 UTC | 5h 9m |
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-73183 page for operator, model, and routing details .