sensors Mode-S transponder
151EC0
ICAO 24-bit transponder address · allocated to Russia
Currently assigned to RA-73408 · BOEING 737-800
- Hex
- 151EC0
- Octal
- 05217300
- Decimal
- 1,384,128
- Country
- RU
- Tail
- RA-73408
- Type
- B738
- Flights observed
- 75
- Distinct callsigns
- 20
- Country
- RU
- Last broadcast
- 5h ago
Last known position
Country allocation
The ICAO 24-bit address 151EC0 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 | SBI6245 | VVO → PVG | May 29, 06:25 UTC | May 30, 00:20 UTC | 17h 55m |
| 2026-05-27 | SBI6246 | PVG → VVO | May 27, 23:35 UTC | May 28, 06:35 UTC | 7h 0m |
| 2026-05-27 | SBI6245 | VVO → PVG | May 27, 04:14 UTC | May 27, 23:30 UTC | 19h 16m |
| 2026-05-23 | SBI5566 | TAS → OVB | May 23, 12:50 UTC | May 24, 06:00 UTC | 17h 11m |
| 2026-05-23 | SBI5566 | TAS → OVB | May 23, 07:30 UTC | May 24, 06:00 UTC | 22h 31m |
| 2026-05-22 | SBI5208 | VVO → OVB | May 22, 06:35 UTC | May 22, 07:10 UTC | 35m |
| 2026-05-20 | SBI5246 | NER → OVB | May 20, 19:30 UTC | May 21, 03:35 UTC | 8h 5m |
| 2026-05-20 | SBI5864 | AYT → OVB | May 20, 11:25 UTC | May 20, 14:05 UTC | 2h 40m |
| 2026-05-20 | SBI5863 | OVB → AYT | May 20, 09:15 UTC | May 20, 09:35 UTC | 20m |
| 2026-05-20 | SBI5863 | OVB → AYT | May 20, 06:40 UTC | May 20, 08:30 UTC | 1h 50m |
| 2026-05-19 | SBI5863 | OVB → AYT | May 19, 10:50 UTC | May 20, 08:30 UTC | 21h 41m |
| 2026-05-18 | SBI5864 | AYT → OVB | May 18, 12:15 UTC | May 19, 11:20 UTC | 23h 4m |
| 2026-05-18 | SBI5864 | AYT → OVB | May 18, 11:30 UTC | May 18, 14:00 UTC | 2h 30m |
| 2026-05-18 | SBI5863 | OVB → AYT | May 18, 09:25 UTC | May 18, 09:45 UTC | 20m |
| 2026-05-18 | SBI5863 | OVB → AYT | May 18, 06:50 UTC | May 18, 07:35 UTC | 45m |
| 2026-05-15 | SBI5576 | AZN → OVB | May 15, 12:50 UTC | May 16, 04:30 UTC | 15h 39m |
| 2026-05-15 | SBI5726 | PKX → OVB | May 15, 04:20 UTC | May 15, 04:55 UTC | 35m |
| 2026-05-13 | SBI5239 | OVB → IKT | May 13, 15:10 UTC | May 14, 01:30 UTC | 10h 20m |
| 2026-05-11 | SBI5103 | OVB → AER | May 11, 17:15 UTC | May 12, 08:10 UTC | 14h 55m |
| 2026-05-11 | SBI5103 | OVB → AER | May 11, 12:35 UTC | May 12, 08:10 UTC | 19h 36m |
| 2026-05-10 | SBI5864 | AYT → OVB | May 10, 11:15 UTC | May 10, 13:55 UTC | 2h 40m |
| 2026-05-10 | SBI5863 | OVB → AYT | May 10, 09:40 UTC | May 10, 10:05 UTC | 25m |
| 2026-05-10 | SBI5863 | OVB → AYT | May 10, 07:30 UTC | May 10, 08:54 UTC | 1h 25m |
| 2026-05-09 | SBI5863 | OVB → AYT | May 9, 12:05 UTC | May 10, 08:54 UTC | 20h 50m |
| 2026-05-09 | SBI5863 | OVB → AYT | May 9, 11:50 UTC | May 10, 08:54 UTC | 21h 5m |
| 2026-05-09 | SBI5890 | IST → OVB | May 9, 08:05 UTC | May 10, 08:00 UTC | 23h 55m |
| 2026-05-09 | SBI5889 | OVB → IST | May 9, 06:50 UTC | May 9, 13:15 UTC | 6h 25m |
| 2026-05-06 | SBI5239 | OVB → IKT | May 6, 15:15 UTC | May 7, 01:50 UTC | 10h 34m |
| 2026-05-06 | SBI5726 | PKX → OVB | May 6, 00:55 UTC | May 6, 05:15 UTC | 4h 20m |
| 2026-05-05 | SBI5725 | - | May 5, 22:40 UTC | May 5, 22:50 UTC | 10m |
| 2026-05-05 | SBI5725 | - | May 5, 19:35 UTC | May 5, 20:05 UTC | 30m |
| 2026-05-04 | SBI5246 | NER → OVB | May 4, 10:45 UTC | May 5, 02:30 UTC | 15h 46m |
| 2026-05-03 | SBI5546 | OSS → OVB | May 3, 14:05 UTC | May 4, 10:55 UTC | 20h 50m |
| 2026-05-03 | SBI5546 | OSS → OVB | May 3, 13:50 UTC | May 4, 10:55 UTC | 21h 5m |
| 2026-05-03 | SBI5545 | OVB → OSS | May 3, 09:25 UTC | May 3, 14:15 UTC | 4h 50m |
| 2026-05-01 | SBI5264 | YKS → OVB | May 1, 19:10 UTC | May 2, 03:25 UTC | 8h 15m |
| 2026-05-01 | SBI5575 | OVB → AZN | May 1, 07:35 UTC | May 1, 12:50 UTC | 5h 15m |
| 2026-05-01 | SBI5726 | PKX → OVB | May 1, 01:15 UTC | May 1, 05:20 UTC | 4h 5m |
| 2026-04-30 | SBI5725 | - | Apr 30, 23:05 UTC | Apr 30, 23:20 UTC | 15m |
| 2026-04-30 | SBI5725 | - | Apr 30, 19:50 UTC | Apr 30, 20:25 UTC | 35m |
| 2026-04-29 | SBI5239 | OVB → IKT | Apr 29, 15:25 UTC | Apr 30, 02:35 UTC | 11h 9m |
| 2026-04-28 | SBI5204 | VVO → OVB | Apr 28, 17:05 UTC | Apr 29, 05:35 UTC | 12h 30m |
| 2026-04-27 | SBI5105 | OVB → AER | Apr 27, 10:45 UTC | Apr 27, 11:35 UTC | 50m |
| 2026-04-26 | SBI5204 | VVO → OVB | Apr 26, 16:40 UTC | Apr 27, 05:10 UTC | 12h 30m |
| 2026-04-26 | SBI5565 | OVB → TAS | Apr 26, 07:15 UTC | Apr 26, 13:25 UTC | 6h 10m |
| 2026-04-25 | SBI5245 | OVB → NER | Apr 25, 18:10 UTC | Apr 26, 02:30 UTC | 8h 20m |
| 2026-04-25 | SBI5565 | OVB → TAS | Apr 25, 07:35 UTC | Apr 25, 13:20 UTC | 5h 45m |
| 2026-04-24 | SBI5211 | OVB → BQS | Apr 24, 19:30 UTC | Apr 25, 05:00 UTC | 9h 30m |
| 2026-04-24 | SBI5864 | AYT → OVB | Apr 24, 11:40 UTC | Apr 24, 14:00 UTC | 2h 20m |
| 2026-04-24 | SBI5863 | OVB → AYT | Apr 24, 07:05 UTC | Apr 24, 09:15 UTC | 2h 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-73408 page for operator, model, and routing details .