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
- 140
- Distinct callsigns
- 20
- Country
- RU
- Last broadcast
- Jul 26, 19:30 UTC
Last known 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
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| SBI5257 | S7 Airlines (Siberia Airlines) | 13 | 2026-07-26 |
| SBI5219 | S7 Airlines (Siberia Airlines) | 13 | 2026-07-17 |
| SBI5555 | - | 11 | 2026-07-11 |
| SBI5258 | S7 Airlines (Siberia Airlines) | 11 | 2026-07-26 |
| SBI5238 | S7 Airlines (Siberia Airlines) | 11 | 2026-07-24 |
| SBI5237 | - | 11 | 2026-07-23 |
| SBI5005 | S7 Airlines (Siberia Airlines) | 9 | 2026-07-26 |
| SBI5220 | S7 Airlines (Siberia Airlines) | 8 | 2026-07-19 |
| SBI5551 | - | 7 | 2026-07-06 |
| SBI5223 | S7 Airlines (Siberia Airlines) | 6 | 2026-06-14 |
| SBI2506 | S7 Airlines (Siberia Airlines) | 6 | 2026-05-30 |
| SBI5552 | S7 Airlines (Siberia Airlines) | 5 | 2026-07-25 |
| SBI5006 | S7 Airlines (Siberia Airlines) | 5 | 2026-06-11 |
| SBI5556 | S7 Airlines (Siberia Airlines) | 4 | 2026-07-16 |
| SBI5224 | - | 4 | 2026-06-23 |
| SBI5003 | S7 Airlines (Siberia Airlines) | 4 | 2026-04-18 |
| SBI5209 | S7 Airlines (Siberia Airlines) | 2 | 2026-06-19 |
| SBI2507 | S7 Airlines (Siberia Airlines) | 2 | 2026-07-15 |
| SBI5372 | - | 1 | 2026-04-17 |
| SBI5262 | S7 Airlines (Siberia Airlines) | 1 | 2026-04-26 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-26 | SBI5257 | OVB → UUS | Jul 26, 19:00 UTC | Jul 26, 19:30 UTC | 30m |
| 2026-07-26 | SBI5005 | OVB → LED | Jul 26, 10:10 UTC | Jul 26, 10:20 UTC | 10m |
| 2026-07-26 | SBI5258 | UUS → OVB | Jul 26, 04:15 UTC | Jul 26, 04:25 UTC | 10m |
| 2026-07-25 | SBI5257 | OVB → UUS | Jul 25, 16:30 UTC | Jul 25, 17:00 UTC | 30m |
| 2026-07-25 | SBI5552 | DYU → OVB | Jul 25, 07:00 UTC | Jul 25, 13:35 UTC | 6h 35m |
| 2026-07-24 | SBI5257 | OVB → UUS | Jul 24, 16:20 UTC | Jul 25, 13:35 UTC | 21h 15m |
| 2026-07-24 | SBI5238 | KHV → OVB | Jul 24, 03:15 UTC | Jul 24, 03:25 UTC | 10m |
| 2026-07-23 | SBI5237 | - | Jul 23, 17:00 UTC | Jul 23, 17:30 UTC | 30m |
| 2026-07-22 | SBI5238 | KHV → OVB | Jul 22, 03:20 UTC | Jul 22, 17:10 UTC | 13h 50m |
| 2026-07-21 | SBI5238 | KHV → OVB | Jul 21, 17:55 UTC | Jul 22, 17:10 UTC | 23h 15m |
| 2026-07-20 | SBI5204 | - | Jul 20, 17:25 UTC | Jul 21, 05:15 UTC | 11h 49m |
| 2026-07-19 | SBI5220 | GDX → OVB | Jul 19, 17:05 UTC | Jul 20, 04:10 UTC | 11h 5m |
| 2026-07-18 | SBI5220 | GDX → OVB | Jul 18, 17:00 UTC | Jul 19, 04:05 UTC | 11h 5m |
| 2026-07-17 | SBI5219 | OVB → GDX | Jul 17, 16:55 UTC | Jul 18, 04:05 UTC | 11h 11m |
| 2026-07-16 | SBI5237 | - | Jul 16, 16:55 UTC | Jul 17, 03:34 UTC | 10h 40m |
| 2026-07-16 | SBI5556 | LBD → OVB | Jul 16, 07:05 UTC | Jul 16, 12:44 UTC | 5h 40m |
| 2026-07-15 | SBI5237 | - | Jul 15, 17:05 UTC | Jul 16, 03:30 UTC | 10h 25m |
| 2026-07-15 | SBI2507 | DME → OVB | Jul 15, 13:10 UTC | Jul 15, 13:20 UTC | 10m |
| 2026-07-14 | SBI5258 | - | Jul 14, 17:10 UTC | Jul 15, 04:45 UTC | 11h 34m |
| 2026-07-14 | SBI5556 | LBD → OVB | Jul 14, 07:30 UTC | Jul 14, 13:00 UTC | 5h 30m |
| 2026-07-13 | SBI5257 | OVB → UUS | Jul 13, 16:15 UTC | Jul 14, 04:00 UTC | 11h 45m |
| 2026-07-12 | SBI5005 | - | Jul 12, 11:20 UTC | Jul 12, 11:50 UTC | 30m |
| 2026-07-11 | SBI5555 | - | Jul 11, 07:10 UTC | Jul 11, 12:40 UTC | 5h 30m |
| 2026-07-10 | SBI5258 | - | Jul 10, 16:40 UTC | Jul 11, 04:15 UTC | 11h 35m |
| 2026-07-08 | SBI5257 | OVB → UUS | Jul 8, 18:05 UTC | Jul 9, 05:35 UTC | 11h 30m |
| 2026-07-07 | SBI5258 | - | Jul 7, 16:25 UTC | Jul 8, 03:55 UTC | 11h 30m |
| 2026-07-06 | SBI5555 | - | Jul 6, 17:20 UTC | Jul 7, 12:50 UTC | 19h 30m |
| 2026-07-06 | SBI5257 | OVB → UUS | Jul 6, 14:00 UTC | Jul 7, 12:50 UTC | 22h 50m |
| 2026-07-06 | SBI5551 | - | Jul 6, 07:05 UTC | Jul 6, 17:40 UTC | 10h 35m |
| 2026-07-05 | SBI5219 | OVB → GDX | Jul 5, 17:05 UTC | Jul 6, 04:20 UTC | 11h 15m |
| 2026-07-04 | SBI5220 | - | Jul 4, 17:10 UTC | Jul 5, 04:20 UTC | 11h 10m |
| 2026-07-04 | SBI5551 | - | Jul 4, 07:05 UTC | Jul 4, 13:45 UTC | 6h 40m |
| 2026-07-03 | SBI5219 | OVB → GDX | Jul 3, 17:05 UTC | Jul 4, 04:35 UTC | 11h 30m |
| 2026-07-02 | SBI5241 | - | Jul 2, 21:40 UTC | Jul 3, 04:25 UTC | 6h 45m |
| 2026-07-02 | SBI5555 | - | Jul 2, 07:30 UTC | Jul 2, 13:15 UTC | 5h 45m |
| 2026-07-01 | SBI5210 | - | Jul 1, 18:20 UTC | Jul 2, 03:20 UTC | 9h 0m |
| 2026-06-30 | SBI5211 | - | Jun 30, 20:00 UTC | Jul 1, 05:10 UTC | 9h 10m |
| 2026-06-30 | SBI5555 | - | Jun 30, 07:10 UTC | Jun 30, 12:55 UTC | 5h 45m |
| 2026-06-29 | SBI5257 | OVB → UUS | Jun 29, 16:29 UTC | Jun 30, 04:25 UTC | 11h 56m |
| 2026-06-28 | SBI5220 | - | Jun 28, 17:19 UTC | Jun 29, 04:09 UTC | 10h 50m |
| 2026-06-27 | SBI5005 | - | Jun 27, 09:40 UTC | Jun 27, 14:05 UTC | 4h 25m |
| 2026-06-26 | SBI5237 | OVB → KHV | Jun 26, 16:44 UTC | Jun 27, 03:15 UTC | 10h 30m |
| 2026-06-25 | SBI5219 | OVB → GDX | Jun 25, 16:55 UTC | Jun 26, 04:10 UTC | 11h 15m |
| 2026-06-24 | SBI5219 | OVB → GDX | Jun 24, 16:54 UTC | Jun 25, 04:25 UTC | 11h 30m |
| 2026-06-23 | SBI5224 | - | Jun 23, 07:25 UTC | Jun 24, 01:49 UTC | 18h 25m |
| 2026-06-22 | SBI5258 | - | Jun 22, 16:34 UTC | Jun 23, 04:14 UTC | 11h 40m |
| 2026-06-22 | SBI5551 | - | Jun 22, 07:04 UTC | Jun 22, 14:05 UTC | 7h 0m |
| 2026-06-21 | SBI5257 | OVB → UUS | Jun 21, 16:25 UTC | Jun 22, 03:54 UTC | 11h 30m |
| 2026-06-20 | SBI5238 | - | Jun 20, 16:55 UTC | Jun 21, 03:05 UTC | 10h 10m |
| 2026-06-20 | SBI5555 | OVB → LBD | Jun 20, 07:24 UTC | Jun 20, 12:54 UTC | 5h 30m |
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 .