sensors Mode-S transponder
151D44
ICAO 24-bit transponder address · allocated to Russia
Currently assigned to RA-73028 · AIRBUS A-321neo
- Hex
- 151D44
- Octal
- 05216504
- Decimal
- 1,383,748
- Country
- RU
- Tail
- RA-73028
- Type
- A21N
- Flights observed
- 70
- Distinct callsigns
- 5
- Country
- RU
- Last broadcast
- 13h ago
Last known position
Country allocation
The ICAO 24-bit address 151D44 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 5 distinct
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | NWC9152 | - | May 29, 04:00 UTC | May 29, 12:00 UTC | 8h 0m |
| 2026-05-27 | NWC9152 | - | May 27, 08:00 UTC | May 27, 09:40 UTC | 1h 40m |
| 2026-05-25 | NWC9152 | - | May 25, 06:40 UTC | May 25, 16:15 UTC | 9h 35m |
| 2026-05-21 | NWC9152 | - | May 21, 04:20 UTC | May 21, 10:45 UTC | 6h 25m |
| 2026-05-20 | NWC9152 | - | May 20, 07:40 UTC | May 21, 04:25 UTC | 20h 45m |
| 2026-05-20 | NWC9152 | - | May 20, 04:15 UTC | May 20, 08:15 UTC | 4h 1m |
| 2026-05-16 | NWC9152 | - | May 16, 05:40 UTC | May 16, 12:40 UTC | 7h 1m |
| 2026-05-15 | NWC9152 | - | May 15, 11:05 UTC | May 16, 05:46 UTC | 18h 40m |
| 2026-05-15 | NWC9152 | - | May 15, 05:20 UTC | May 15, 12:30 UTC | 7h 10m |
| 2026-05-15 | NWC9151 | - | May 15, 04:05 UTC | May 15, 04:30 UTC | 25m |
| 2026-05-12 | NWC9152 | - | May 12, 03:00 UTC | May 12, 18:05 UTC | 15h 5m |
| 2026-05-11 | NWC9152 | - | May 11, 11:40 UTC | May 12, 04:10 UTC | 16h 30m |
| 2026-05-11 | NWC9152 | - | May 11, 05:20 UTC | May 12, 04:10 UTC | 22h 51m |
| 2026-05-11 | NWC9152 | - | May 11, 04:35 UTC | May 12, 03:00 UTC | 22h 25m |
| 2026-05-08 | NWC9152 | - | May 8, 03:30 UTC | May 8, 10:59 UTC | 7h 30m |
| 2026-05-06 | NWC9152 | - | May 6, 10:25 UTC | May 6, 10:35 UTC | 10m |
| 2026-05-06 | NWC9152 | - | May 6, 03:05 UTC | May 6, 09:25 UTC | 6h 20m |
| 2026-05-02 | NWN9152 | - | May 2, 04:20 UTC | May 2, 10:45 UTC | 6h 25m |
| 2026-05-01 | NWC9152 | - | May 1, 09:25 UTC | May 2, 05:20 UTC | 19h 55m |
| 2026-05-01 | NWC9152 | - | May 1, 03:05 UTC | May 1, 10:55 UTC | 7h 50m |
| 2026-04-30 | NWC9152 | - | Apr 30, 11:05 UTC | May 1, 10:55 UTC | 23h 50m |
| 2026-04-30 | NWC9152 | - | Apr 30, 10:55 UTC | May 1, 05:00 UTC | 18h 5m |
| 2026-04-30 | NWC9151 | - | Apr 30, 06:05 UTC | May 1, 05:00 UTC | 22h 55m |
| 2026-04-29 | NWC9152 | - | Apr 29, 18:40 UTC | Apr 30, 12:25 UTC | 17h 45m |
| 2026-04-29 | NWC9152 | - | Apr 29, 14:25 UTC | Apr 30, 12:25 UTC | 22h 0m |
| 2026-04-29 | NWC9158 | - | Apr 29, 12:45 UTC | Apr 30, 11:00 UTC | 22h 14m |
| 2026-04-29 | NWC9158 | - | Apr 29, 07:45 UTC | Apr 30, 06:45 UTC | 23h 0m |
| 2026-04-29 | NWC9158 | - | Apr 29, 02:15 UTC | Apr 29, 20:10 UTC | 17h 56m |
| 2026-04-28 | NWC9152 | - | Apr 28, 13:05 UTC | Apr 29, 12:45 UTC | 23h 40m |
| 2026-04-28 | NWC9152 | - | Apr 28, 12:10 UTC | Apr 29, 08:15 UTC | 20h 5m |
| 2026-04-28 | NWC9152 | - | Apr 28, 04:20 UTC | Apr 29, 02:20 UTC | 22h 0m |
| 2026-04-27 | NWC9152 | - | Apr 27, 05:15 UTC | Apr 27, 15:15 UTC | 10h 0m |
| 2026-04-24 | NWC9152 | - | Apr 24, 19:05 UTC | Apr 25, 15:00 UTC | 19h 55m |
| 2026-04-24 | NWC9152 | - | Apr 24, 17:55 UTC | Apr 25, 15:00 UTC | 21h 5m |
| 2026-04-24 | NWC9152 | - | Apr 24, 09:05 UTC | Apr 25, 04:50 UTC | 19h 45m |
| 2026-04-24 | NWC9152 | - | Apr 24, 03:00 UTC | Apr 24, 19:20 UTC | 16h 20m |
| 2026-04-23 | NWC9151 | - | Apr 23, 11:05 UTC | Apr 24, 09:30 UTC | 22h 25m |
| 2026-04-23 | NWC9152 | - | Apr 23, 09:50 UTC | Apr 24, 09:00 UTC | 23h 9m |
| 2026-04-23 | NWC9152 | - | Apr 23, 04:40 UTC | Apr 24, 03:00 UTC | 22h 20m |
| 2026-04-23 | NWC9152 | - | Apr 23, 02:50 UTC | Apr 23, 11:25 UTC | 8h 35m |
| 2026-04-22 | NWC9152 | - | Apr 22, 02:15 UTC | Apr 22, 10:20 UTC | 8h 5m |
| 2026-04-21 | NWC9152 | - | Apr 21, 13:05 UTC | Apr 22, 10:20 UTC | 21h 15m |
| 2026-04-21 | NWC9152 | - | Apr 21, 11:50 UTC | Apr 22, 10:20 UTC | 22h 30m |
| 2026-04-21 | NWC9152 | - | Apr 21, 05:05 UTC | Apr 22, 04:25 UTC | 23h 20m |
| 2026-04-21 | NWC9152 | - | Apr 21, 04:45 UTC | Apr 22, 02:25 UTC | 21h 40m |
| 2026-04-20 | NWC9152 | - | Apr 20, 09:20 UTC | Apr 21, 07:00 UTC | 21h 41m |
| 2026-04-20 | NWC9152 | - | Apr 20, 05:05 UTC | Apr 21, 05:00 UTC | 23h 55m |
| 2026-04-20 | NWC9152 | - | Apr 20, 04:40 UTC | Apr 20, 10:40 UTC | 6h 0m |
| 2026-04-18 | NWC9152 | - | Apr 18, 13:20 UTC | Apr 18, 13:40 UTC | 20m |
| 2026-04-18 | NWC9151 | - | Apr 18, 05:40 UTC | Apr 18, 05:55 UTC | 15m |
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-73028 page for operator, model, and routing details .