sensors Mode-S transponder
151D66
ICAO 24-bit transponder address · allocated to Russia
Currently assigned to RA-73062 · BOEING 737-500
- Hex
- 151D66
- Octal
- 05216546
- Decimal
- 1,383,782
- Country
- RU
- Tail
- RA-73062
- Type
- B735
- Flights observed
- 55
- Distinct callsigns
- 20
- Country
- RU
- Last broadcast
- 2d ago
Last known position
Country allocation
The ICAO 24-bit address 151D66 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 |
|---|---|---|---|
| UTA183 | UTair Aviation | 6 | 2026-05-24 |
| UTA9041 | UTair Aviation | 4 | 2026-06-01 |
| UTA184 | UTair Aviation | 4 | 2026-05-24 |
| UTA6432 | UTair Aviation | 3 | 2026-05-23 |
| UTA414 | UTair Aviation | 3 | 2026-05-14 |
| UTA186 | UTair Aviation | 3 | 2026-05-25 |
| UTA152 | UTair Aviation | 3 | 2026-05-18 |
| UTA6431 | UTair Aviation | 2 | 2026-05-23 |
| UTA478 | UTair Aviation | 2 | 2026-04-23 |
| UTA412 | UTair Aviation | 2 | 2026-05-13 |
| UTA410 | UTair Aviation | 2 | 2026-05-26 |
| UTA282 | UTair Aviation | 2 | 2026-05-13 |
| UTA281 | UTair Aviation | 2 | 2026-05-23 |
| UTA1404 | UTair Aviation | 2 | 2026-04-28 |
| UTA9240 | UTair Aviation | 1 | 2026-05-17 |
| UTA9042 | UTair Aviation | 1 | 2026-05-22 |
| UTA6578 | UTair Aviation | 1 | 2026-05-31 |
| UTA6499 | - | 1 | 2026-04-21 |
| UTA6472 | UTair Aviation | 1 | 2026-05-08 |
| UTA6437 | UTair Aviation | 1 | 2026-05-26 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-01 | UTA9041 | UFA → BTK | Jun 1, 17:35 UTC | Jun 2, 10:55 UTC | 17h 20m |
| 2026-06-01 | UTA9041 | UFA → BTK | Jun 1, 13:20 UTC | Jun 2, 10:55 UTC | 21h 35m |
| 2026-05-31 | UTA6578 | KGP → UFA | May 31, 16:20 UTC | Jun 1, 13:25 UTC | 21h 5m |
| 2026-05-31 | UTA445 | VKO → KGP | May 31, 10:35 UTC | May 31, 16:30 UTC | 5h 55m |
| 2026-05-29 | UTA151 | UFA → NJC | May 29, 12:45 UTC | May 30, 01:05 UTC | 12h 20m |
| 2026-05-29 | UTA1403 | SGC → UFA | May 29, 03:45 UTC | May 30, 01:05 UTC | 21h 20m |
| 2026-05-28 | UTA196 | NUX → SVX | May 28, 11:05 UTC | May 28, 11:15 UTC | 10m |
| 2026-05-28 | UTA111 | SGC → SVX | May 28, 03:30 UTC | May 28, 03:40 UTC | 10m |
| 2026-05-26 | UTA410 | KUF → SGC | May 26, 16:10 UTC | May 27, 13:50 UTC | 21h 40m |
| 2026-05-26 | UTA410 | KUF → SGC | May 26, 13:50 UTC | May 26, 16:50 UTC | 3h 0m |
| 2026-05-26 | UTA6437 | UFA → IJK | May 26, 02:35 UTC | May 26, 12:20 UTC | 9h 45m |
| 2026-05-25 | UTA186 | NUX → UFA | May 25, 13:00 UTC | May 26, 11:30 UTC | 22h 29m |
| 2026-05-25 | UTA186 | NUX → UFA | May 25, 08:20 UTC | May 26, 02:39 UTC | 18h 19m |
| 2026-05-25 | UTA186 | NUX → UFA | May 25, 04:25 UTC | May 26, 02:39 UTC | 22h 14m |
| 2026-05-24 | UTA184 | KZN → SGC | May 24, 21:10 UTC | May 25, 13:10 UTC | 16h 0m |
| 2026-05-24 | UTA183 | SGC → KZN | May 24, 18:55 UTC | May 24, 19:45 UTC | 50m |
| 2026-05-23 | UTA6432 | SGC → VKO | May 23, 23:45 UTC | May 24, 19:45 UTC | 20h 0m |
| 2026-05-23 | UTA6432 | SGC → VKO | May 23, 23:10 UTC | May 24, 19:45 UTC | 20h 35m |
| 2026-05-23 | UTA6431 | VKO → SGC | May 23, 19:55 UTC | May 23, 21:30 UTC | 1h 35m |
| 2026-05-23 | UTA281 | SVX → KUF | May 23, 07:50 UTC | May 23, 11:25 UTC | 3h 35m |
| 2026-05-22 | UTA9042 | BTK → UFA | May 22, 16:45 UTC | May 22, 19:25 UTC | 2h 40m |
| 2026-05-20 | UTA9041 | UFA → BTK | May 20, 16:55 UTC | May 21, 10:45 UTC | 17h 50m |
| 2026-05-20 | UTA9041 | UFA → BTK | May 20, 12:30 UTC | May 21, 10:45 UTC | 22h 15m |
| 2026-05-18 | UTA152 | NJC → UFA | May 18, 06:35 UTC | May 18, 17:40 UTC | 11h 5m |
| 2026-05-17 | UTA9240 | UFA → TLK | May 17, 08:20 UTC | May 18, 06:45 UTC | 22h 25m |
| 2026-05-16 | UTA152 | NJC → UFA | May 16, 16:45 UTC | May 17, 08:25 UTC | 15h 40m |
| 2026-05-16 | UTA152 | NJC → UFA | May 16, 12:35 UTC | May 17, 08:25 UTC | 19h 50m |
| 2026-05-15 | UTA184 | KZN → SGC | May 15, 20:50 UTC | May 16, 16:55 UTC | 20h 6m |
| 2026-05-15 | UTA183 | SGC → KZN | May 15, 03:45 UTC | May 15, 19:00 UTC | 15h 14m |
| 2026-05-14 | UTA183 | SGC → KZN | May 14, 22:15 UTC | May 15, 19:00 UTC | 20h 44m |
| 2026-05-14 | UTA183 | SGC → KZN | May 14, 19:55 UTC | May 15, 19:00 UTC | 23h 4m |
| 2026-05-14 | UTA414 | KUF → SGC | May 14, 19:15 UTC | May 15, 09:55 UTC | 14h 40m |
| 2026-05-14 | UTA414 | KUF → SGC | May 14, 05:10 UTC | May 14, 23:00 UTC | 17h 50m |
| 2026-05-14 | UTA414 | KUF → SGC | May 14, 02:25 UTC | May 14, 23:00 UTC | 20h 35m |
| 2026-05-13 | UTA412 | KUF → SGC | May 13, 21:40 UTC | May 14, 20:05 UTC | 22h 25m |
| 2026-05-13 | UTA412 | KUF → SGC | May 13, 18:45 UTC | May 14, 05:15 UTC | 10h 30m |
| 2026-05-13 | UTA282 | KUF → SVX | May 13, 08:35 UTC | May 13, 11:40 UTC | 3h 5m |
| 2026-05-11 | UTA184 | KZN → SGC | May 11, 19:05 UTC | May 11, 19:35 UTC | 30m |
| 2026-05-11 | UTA183 | SGC → KZN | May 11, 16:35 UTC | May 11, 17:05 UTC | 31m |
| 2026-05-10 | UTA282 | KUF → SVX | May 10, 07:30 UTC | May 10, 10:30 UTC | 3h 0m |
| 2026-05-08 | UTA6472 | TLK → OMS | May 8, 21:45 UTC | May 9, 07:05 UTC | 9h 20m |
| 2026-04-29 | UTA1405 | SGC → UFA | Apr 29, 00:25 UTC | Apr 29, 10:20 UTC | 9h 56m |
| 2026-04-28 | UTA1404 | UFA → SGC | Apr 28, 02:15 UTC | Apr 29, 00:30 UTC | 22h 15m |
| 2026-04-27 | UTA1404 | UFA → SGC | Apr 27, 23:35 UTC | Apr 28, 02:20 UTC | 2h 45m |
| 2026-04-26 | UTA6432 | SGC → VKO | Apr 26, 03:00 UTC | Apr 26, 04:25 UTC | 1h 25m |
| 2026-04-26 | UTA6431 | VKO → SGC | Apr 26, 00:20 UTC | Apr 26, 01:55 UTC | 1h 35m |
| 2026-04-25 | UTA281 | SVX → KUF | Apr 25, 11:50 UTC | Apr 25, 14:05 UTC | 2h 15m |
| 2026-04-24 | UTA184 | KZN → SGC | Apr 24, 20:55 UTC | Apr 24, 21:40 UTC | 45m |
| 2026-04-24 | UTA183 | SGC → KZN | Apr 24, 18:30 UTC | Apr 24, 19:00 UTC | 30m |
| 2026-04-24 | UTA112 | SVX → SGC | Apr 24, 14:20 UTC | Apr 24, 14:30 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-73062 page for operator, model, and routing details .