sensors Mode-S transponder
151EC5
ICAO 24-bit transponder address · allocated to Russia
Currently assigned to RA-73413 · AIRBUS A-321
- Hex
- 151EC5
- Octal
- 05217305
- Decimal
- 1,384,133
- Country
- RU
- Tail
- RA-73413
- Type
- A321
- Flights observed
- 56
- Distinct callsigns
- 20
- Country
- RU
- Last broadcast
- 6h ago
Current position
Country allocation
The ICAO 24-bit address 151EC5 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 | SBI5224 | HTA → OVB | May 29, 19:00 UTC | May 30, 01:45 UTC | 6h 45m |
| 2026-05-29 | SBI5005 | OVB → LED | May 29, 09:20 UTC | May 29, 14:15 UTC | 4h 55m |
| 2026-05-28 | SBI5238 | KHV → OVB | May 28, 16:45 UTC | May 29, 03:45 UTC | 11h 0m |
| 2026-05-28 | SBI5551 | OVB → DYU | May 28, 07:10 UTC | May 28, 13:50 UTC | 6h 40m |
| 2026-05-27 | SBI5219 | OVB → GDX | May 27, 16:50 UTC | May 28, 04:20 UTC | 11h 30m |
| 2026-05-27 | SBI2506 | OVB → DME | May 27, 07:05 UTC | May 27, 08:10 UTC | 1h 5m |
| 2026-05-26 | SBI5237 | OVB → KHV | May 26, 16:55 UTC | May 27, 03:45 UTC | 10h 50m |
| 2026-05-25 | SBI5258 | UUS → OVB | May 25, 16:25 UTC | May 26, 04:35 UTC | 12h 10m |
| 2026-05-25 | SBI5552 | DYU → OVB | May 25, 13:25 UTC | May 25, 13:50 UTC | 25m |
| 2026-05-24 | SBI5552 | DYU → OVB | May 24, 17:20 UTC | May 25, 13:50 UTC | 20h 30m |
| 2026-05-24 | SBI5237 | OVB → KHV | May 24, 16:45 UTC | May 25, 13:50 UTC | 21h 5m |
| 2026-05-24 | SBI2507 | DME → OVB | May 24, 07:35 UTC | May 24, 14:00 UTC | 6h 25m |
| 2026-05-23 | SBI5238 | KHV → OVB | May 23, 17:00 UTC | May 24, 03:30 UTC | 10h 30m |
| 2026-05-08 | SBI5006 | LED → OVB | May 8, 16:20 UTC | May 8, 16:30 UTC | 10m |
| 2026-05-07 | SBI5237 | OVB → KHV | May 7, 17:20 UTC | May 8, 16:30 UTC | 23h 10m |
| 2026-05-05 | SBI5005 | OVB → LED | May 5, 16:35 UTC | May 6, 10:35 UTC | 18h 0m |
| 2026-05-05 | SBI5555 | OVB → LBD | May 5, 07:30 UTC | May 5, 08:05 UTC | 35m |
| 2026-05-04 | SBI5257 | OVB → UUS | May 4, 16:20 UTC | May 5, 04:35 UTC | 12h 16m |
| 2026-05-04 | SBI5552 | DYU → OVB | May 4, 13:35 UTC | May 4, 14:05 UTC | 30m |
| 2026-05-03 | SBI5219 | OVB → GDX | May 3, 16:55 UTC | May 4, 04:05 UTC | 11h 10m |
| 2026-05-03 | SBI2506 | OVB → DME | May 3, 05:25 UTC | May 3, 05:35 UTC | 10m |
| 2026-05-02 | SBI5552 | DYU → OVB | May 2, 07:15 UTC | May 2, 14:00 UTC | 6h 45m |
| 2026-05-01 | SBI5258 | UUS → OVB | May 1, 16:15 UTC | May 2, 04:05 UTC | 11h 50m |
| 2026-04-30 | SBI5223 | OVB → HTA | Apr 30, 19:00 UTC | May 1, 01:40 UTC | 6h 40m |
| 2026-04-30 | SBI5005 | OVB → LED | Apr 30, 09:55 UTC | Apr 30, 16:35 UTC | 6h 40m |
| 2026-04-29 | SBI5219 | OVB → GDX | Apr 29, 17:01 UTC | Apr 30, 04:10 UTC | 11h 9m |
| 2026-04-28 | SBI5219 | OVB → GDX | Apr 28, 16:55 UTC | Apr 29, 04:20 UTC | 11h 25m |
| 2026-04-28 | SBI5556 | LBD → OVB | Apr 28, 12:10 UTC | Apr 28, 12:40 UTC | 30m |
| 2026-04-27 | S75223 | OVB → HTA | Apr 27, 19:00 UTC | Apr 28, 01:45 UTC | 6h 45m |
| 2026-04-26 | SBI5262 | YKS → OVB | Apr 26, 17:00 UTC | Apr 27, 01:40 UTC | 8h 40m |
| 2026-04-26 | SBI2506 | OVB → DME | Apr 26, 05:25 UTC | Apr 26, 08:10 UTC | 2h 45m |
| 2026-04-25 | SBI5237 | OVB → KHV | Apr 25, 16:50 UTC | Apr 26, 03:25 UTC | 10h 35m |
| 2026-04-24 | SBI5258 | UUS → OVB | Apr 24, 16:20 UTC | Apr 25, 04:15 UTC | 11h 55m |
| 2026-04-24 | SBI2506 | OVB → DME | Apr 24, 05:25 UTC | Apr 24, 08:10 UTC | 2h 45m |
| 2026-04-23 | SBI5238 | KHV → OVB | Apr 23, 16:55 UTC | Apr 24, 03:25 UTC | 10h 30m |
| 2026-04-23 | SBI5555 | OVB → LBD | Apr 23, 07:01 UTC | Apr 23, 12:40 UTC | 5h 40m |
| 2026-04-22 | SBI5219 | - | Apr 22, 16:50 UTC | Apr 23, 04:10 UTC | 11h 20m |
| 2026-04-22 | SBI2506 | OVB → DME | Apr 22, 05:20 UTC | Apr 22, 05:35 UTC | 15m |
| 2026-04-21 | SBI5556 | - | Apr 21, 12:15 UTC | Apr 21, 12:45 UTC | 30m |
| 2026-04-20 | SBI5220 | GDX → OVB | Apr 20, 16:55 UTC | Apr 21, 04:20 UTC | 11h 25m |
| 2026-04-20 | SBI5551 | OVB → DYU | Apr 20, 07:00 UTC | Apr 20, 13:55 UTC | 6h 55m |
| 2026-04-19 | SBI5258 | UUS → OVB | Apr 19, 16:30 UTC | Apr 20, 04:25 UTC | 11h 54m |
| 2026-04-18 | SBI5238 | KHV → OVB | Apr 18, 17:30 UTC | Apr 19, 04:10 UTC | 10h 40m |
| 2026-04-18 | SBI5003 | OVB → LED | Apr 18, 08:00 UTC | Apr 18, 08:40 UTC | 40m |
| 2026-04-18 | SBI5003 | OVB → LED | Apr 18, 05:25 UTC | Apr 18, 05:35 UTC | 10m |
| 2026-04-17 | SBI5372 | - | Apr 17, 09:45 UTC | Apr 17, 11:15 UTC | 1h 30m |
| 2026-04-17 | SBI5238 | KHV → OVB | Apr 17, 03:20 UTC | Apr 17, 03:30 UTC | 10m |
| 2026-04-17 | SBI5238 | KHV → OVB | Apr 17, 02:55 UTC | Apr 17, 03:15 UTC | 20m |
| 2026-04-16 | SBI5237 | - | Apr 16, 16:55 UTC | Apr 16, 17:10 UTC | 15m |
| 2026-04-16 | SBI5258 | UUS → OVB | Apr 16, 04:20 UTC | Apr 16, 04:29 UTC | 10m |
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-73413 page for operator, model, and routing details .