sensors Mode-S transponder
155C31
ICAO 24-bit transponder address · allocated to Russia
Currently assigned to RA-89137 · SUKHOI Superjet 100-95
- Hex
- 155C31
- Octal
- 05256061
- Decimal
- 1,399,857
- Country
- RU
- Tail
- RA-89137
- Type
- SU95
- Flights observed
- 48
- Distinct callsigns
- 20
- Country
- RU
- Last broadcast
- 1d ago
Last known position
Country allocation
The ICAO 24-bit address 155C31 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 |
|---|---|---|---|
| RWZ1003 | Red Wings | 6 | 2026-05-27 |
| RWZ1004 | Red Wings | 3 | 2026-05-28 |
| RWZ901 | Red Wings | 2 | 2026-04-13 |
| RWZ566 | Red Wings | 2 | 2026-05-16 |
| RWZ4678 | Red Wings | 2 | 2026-05-21 |
| RWZ4677 | Red Wings | 2 | 2026-05-21 |
| RWZ4521 | - | 2 | 2026-04-13 |
| RWZ2029 | Red Wings | 2 | 2026-05-24 |
| RWZ1094 | Red Wings | 2 | 2026-05-27 |
| RWZ1091 | Red Wings | 2 | 2026-05-25 |
| RWZ565 | Red Wings | 1 | 2026-05-12 |
| RWZ560 | Red Wings | 1 | 2026-05-13 |
| RWZ4640 | Red Wings | 1 | 2026-05-29 |
| RWZ4639 | Red Wings | 1 | 2026-05-28 |
| RWZ4556 | - | 1 | 2026-05-23 |
| RWZ1502 | Red Wings | 1 | 2026-04-27 |
| RWZ1348 | Red Wings | 1 | 2026-05-24 |
| RWZ1304 | Red Wings | 1 | 2026-05-03 |
| RWZ1204 | Red Wings | 1 | 2026-05-26 |
| RWZ1203 | Red Wings | 1 | 2026-05-26 |
Recent flights last 48
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | RWZ4640 | IST → UFA | May 29, 01:10 UTC | May 29, 01:40 UTC | 30m |
| 2026-05-28 | RWZ4639 | UFA → IST | May 28, 23:25 UTC | May 28, 23:40 UTC | 15m |
| 2026-05-28 | RWZ1004 | TOF → SVX | May 28, 07:15 UTC | May 28, 07:35 UTC | 20m |
| 2026-05-27 | RWZ1094 | UUD → TOF | May 27, 23:55 UTC | May 28, 05:55 UTC | 6h 0m |
| 2026-05-27 | RWZ1003 | SVX → TOF | May 27, 22:25 UTC | May 27, 22:50 UTC | 25m |
| 2026-05-27 | RWZ1003 | SVX → TOF | May 27, 02:19 UTC | May 27, 22:50 UTC | 20h 30m |
| 2026-05-27 | RWZ1003 | SVX → TOF | May 27, 01:49 UTC | May 27, 22:50 UTC | 21h 0m |
| 2026-05-26 | RWZ1204 | BUS → SVX | May 26, 14:20 UTC | May 27, 02:19 UTC | 12h 0m |
| 2026-05-26 | RWZ1203 | SVX → BUS | May 26, 13:04 UTC | May 26, 13:19 UTC | 15m |
| 2026-05-26 | RWZ1092 | NOZ → SVX | May 26, 04:15 UTC | May 26, 04:39 UTC | 25m |
| 2026-05-25 | RWZ1038 | UUD → NOZ | May 25, 21:15 UTC | May 26, 02:39 UTC | 5h 25m |
| 2026-05-25 | RWZ1091 | SVX → NOZ | May 25, 05:00 UTC | May 25, 19:59 UTC | 14h 59m |
| 2026-05-24 | RWZ1348 | EVN → GOJ | May 24, 17:05 UTC | May 25, 05:25 UTC | 12h 20m |
| 2026-05-24 | RWZ2029 | SVX → GOJ | May 24, 02:15 UTC | May 24, 03:25 UTC | 1h 10m |
| 2026-05-23 | RWZ4556 | - | May 23, 20:00 UTC | May 23, 20:10 UTC | 10m |
| 2026-05-22 | RWZ1091 | SVX → NOZ | May 22, 21:20 UTC | May 22, 22:00 UTC | 40m |
| 2026-05-21 | RWZ4678 | EVN → KZN | May 21, 17:40 UTC | May 21, 18:10 UTC | 30m |
| 2026-05-21 | RWZ4677 | KZN → EVN | May 21, 16:01 UTC | May 21, 16:15 UTC | 15m |
| 2026-05-19 | RWZ1067 | SVX → KZN | May 19, 17:40 UTC | May 19, 18:35 UTC | 55m |
| 2026-05-18 | RWZ1007 | SVX → MMK | May 18, 09:55 UTC | May 18, 12:15 UTC | 2h 20m |
| 2026-05-16 | RWZ566 | TBS → ZIA | May 16, 18:50 UTC | May 16, 19:50 UTC | 1h 0m |
| 2026-05-13 | RWZ560 | TBS → ZIA | May 13, 11:55 UTC | May 13, 12:10 UTC | 15m |
| 2026-05-12 | RWZ566 | TBS → ZIA | May 12, 18:35 UTC | May 12, 19:25 UTC | 50m |
| 2026-05-12 | RWZ565 | ZIA → TBS | May 12, 16:45 UTC | May 12, 16:55 UTC | 10m |
| 2026-05-11 | RWZ2029 | SVX → GOJ | May 11, 04:25 UTC | May 11, 22:35 UTC | 18h 10m |
| 2026-05-10 | RWZ1016 | ABA → SVX | May 10, 23:39 UTC | May 11, 00:40 UTC | 1h 0m |
| 2026-05-10 | RWZ1015 | SVX → ABA | May 10, 21:00 UTC | May 10, 21:44 UTC | 45m |
| 2026-05-03 | RWZ1304 | NUX → KUF | May 3, 17:10 UTC | May 4, 11:50 UTC | 18h 40m |
| 2026-05-02 | RWZ1004 | TOF → SVX | May 2, 06:45 UTC | May 2, 07:15 UTC | 30m |
| 2026-05-02 | RWZ1094 | UUD → TOF | May 2, 03:05 UTC | May 2, 05:15 UTC | 2h 10m |
| 2026-05-01 | RWZ1093 | TOF → UUD | May 1, 23:40 UTC | May 2, 00:05 UTC | 25m |
| 2026-05-01 | RWZ1003 | SVX → TOF | May 1, 21:40 UTC | May 1, 22:20 UTC | 40m |
| 2026-05-01 | RWZ1003 | SVX → TOF | May 1, 01:50 UTC | May 1, 22:20 UTC | 20h 30m |
| 2026-04-30 | RWZ1054 | RGK → SVX | Apr 30, 17:40 UTC | Apr 30, 17:50 UTC | 10m |
| 2026-04-27 | RWZ1502 | TBS → KZN | Apr 27, 10:10 UTC | Apr 27, 11:15 UTC | 1h 5m |
| 2026-04-26 | RWZ4678 | EVN → KZN | Apr 26, 14:15 UTC | Apr 27, 06:55 UTC | 16h 40m |
| 2026-04-26 | RWZ4677 | KZN → EVN | Apr 26, 07:15 UTC | Apr 26, 12:45 UTC | 5h 30m |
| 2026-04-23 | RWZ1061 | - | Apr 23, 23:40 UTC | Apr 24, 01:10 UTC | 1h 30m |
| 2026-04-23 | RWZ1041 | SVX → KEJ | Apr 23, 21:40 UTC | Apr 23, 22:10 UTC | 30m |
| 2026-04-15 | RWZ1076 | - | Apr 15, 00:15 UTC | Apr 15, 00:25 UTC | 10m |
| 2026-04-14 | RWZ1004 | - | Apr 14, 07:15 UTC | Apr 14, 07:35 UTC | 20m |
| 2026-04-14 | RWZ1060 | - | Apr 14, 05:25 UTC | Apr 14, 06:00 UTC | 35m |
| 2026-04-13 | RWZ1059 | - | Apr 13, 23:25 UTC | Apr 13, 23:40 UTC | 15m |
| 2026-04-13 | RWZ1003 | - | Apr 13, 21:50 UTC | Apr 13, 22:20 UTC | 30m |
| 2026-04-13 | RWZ4521 | - | Apr 13, 12:25 UTC | Apr 13, 12:35 UTC | 10m |
| 2026-04-13 | RWZ4521 | - | Apr 13, 10:05 UTC | Apr 13, 10:45 UTC | 40m |
| 2026-04-13 | RWZ901 | SVX → UFA | Apr 13, 07:35 UTC | Apr 13, 08:00 UTC | 25m |
| 2026-04-13 | RWZ901 | SVX → UFA | Apr 13, 06:00 UTC | Apr 13, 06:10 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-89137 page for operator, model, and routing details .