sensors Mode-S transponder
151E69
ICAO 24-bit transponder address · allocated to Russia
Currently assigned to RA-73321 · BOEING 737-800
- Hex
- 151E69
- Octal
- 05217151
- Decimal
- 1,384,041
- Country
- RU
- Tail
- RA-73321
- Type
- B738
- Flights observed
- 75
- Distinct callsigns
- 20
- Country
- RU
- Last broadcast
- 9h ago
Last known position
Country allocation
The ICAO 24-bit address 151E69 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 |
|---|---|---|---|
| NWS1016 | - | 18 | 2026-05-31 |
| NWS1015 | - | 13 | 2026-05-31 |
| NWS744 | - | 8 | 2026-05-25 |
| NWS743 | - | 5 | 2026-05-21 |
| NWS758 | - | 4 | 2026-05-30 |
| NWS245 | - | 3 | 2026-05-14 |
| NWS334 | - | 2 | 2026-06-01 |
| NWS1442 | - | 2 | 2026-04-18 |
| NWS1294 | - | 2 | 2026-05-28 |
| NWS059 | - | 2 | 2026-05-23 |
| NWS757 | - | 1 | 2026-06-02 |
| NWS754 | - | 1 | 2026-05-28 |
| NWS753 | - | 1 | 2026-05-28 |
| NWS732 | NordWind Airlines | 1 | 2026-06-02 |
| NWS702 | - | 1 | 2026-04-26 |
| NWS414 | - | 1 | 2026-05-02 |
| NWS413 | - | 1 | 2026-04-21 |
| NWS308 | - | 1 | 2026-05-10 |
| NWS285 | - | 1 | 2026-06-02 |
| NWS283 | - | 1 | 2026-05-20 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-02 | NWS757 | - | Jun 2, 22:15 UTC | Jun 2, 22:45 UTC | 30m |
| 2026-06-02 | NWS732 | KGD → KZN | Jun 2, 17:05 UTC | Jun 2, 18:35 UTC | 1h 30m |
| 2026-06-02 | NWS285 | - | Jun 2, 13:45 UTC | Jun 2, 15:05 UTC | 1h 20m |
| 2026-06-01 | NWS334 | - | Jun 1, 14:25 UTC | Jun 2, 09:20 UTC | 18h 55m |
| 2026-06-01 | NWS244 | - | Jun 1, 09:45 UTC | Jun 1, 10:45 UTC | 1h 0m |
| 2026-05-31 | NWS1016 | - | May 31, 17:35 UTC | May 31, 20:50 UTC | 3h 15m |
| 2026-05-31 | NWS1015 | - | May 31, 15:20 UTC | May 31, 15:45 UTC | 25m |
| 2026-05-31 | NWS1015 | - | May 31, 11:55 UTC | May 31, 12:20 UTC | 25m |
| 2026-05-30 | NWS758 | - | May 30, 09:50 UTC | May 30, 18:55 UTC | 9h 5m |
| 2026-05-29 | NWS758 | - | May 29, 18:45 UTC | May 30, 12:50 UTC | 18h 5m |
| 2026-05-29 | NWS758 | - | May 29, 17:10 UTC | May 30, 12:50 UTC | 19h 40m |
| 2026-05-29 | NWS1016 | - | May 29, 15:35 UTC | May 30, 12:50 UTC | 21h 15m |
| 2026-05-28 | NWS1294 | - | May 28, 18:10 UTC | May 28, 18:25 UTC | 15m |
| 2026-05-28 | NWS1294 | - | May 28, 15:20 UTC | May 28, 15:50 UTC | 30m |
| 2026-05-28 | NWS754 | - | May 28, 02:55 UTC | May 28, 05:45 UTC | 2h 50m |
| 2026-05-28 | NWS753 | - | May 28, 00:45 UTC | May 28, 01:20 UTC | 35m |
| 2026-05-27 | NWS1016 | - | May 27, 14:35 UTC | May 27, 16:10 UTC | 1h 35m |
| 2026-05-27 | NWS1015 | - | May 27, 12:20 UTC | May 27, 12:45 UTC | 25m |
| 2026-05-25 | NWS744 | - | May 25, 15:05 UTC | May 26, 07:34 UTC | 16h 29m |
| 2026-05-25 | NWS1015 | - | May 25, 12:45 UTC | May 25, 12:55 UTC | 10m |
| 2026-05-25 | NWS1015 | - | May 25, 11:35 UTC | May 25, 11:50 UTC | 15m |
| 2026-05-24 | NWS1015 | - | May 24, 13:40 UTC | May 24, 20:30 UTC | 6h 50m |
| 2026-05-23 | NWS059 | - | May 23, 18:20 UTC | May 24, 14:15 UTC | 19h 55m |
| 2026-05-22 | NWS1016 | - | May 22, 15:30 UTC | May 22, 19:05 UTC | 3h 35m |
| 2026-05-22 | NWS1015 | - | May 22, 13:35 UTC | May 22, 13:50 UTC | 15m |
| 2026-05-21 | NWS744 | - | May 21, 23:40 UTC | May 22, 12:55 UTC | 13h 15m |
| 2026-05-21 | NWS743 | - | May 21, 21:05 UTC | May 21, 21:30 UTC | 25m |
| 2026-05-20 | NWS283 | - | May 20, 14:15 UTC | May 20, 19:20 UTC | 5h 5m |
| 2026-05-18 | NWS334 | - | May 18, 13:50 UTC | May 19, 04:10 UTC | 14h 19m |
| 2026-05-17 | NWS1016 | - | May 17, 19:30 UTC | May 18, 18:05 UTC | 22h 35m |
| 2026-05-17 | NWS1015 | - | May 17, 15:40 UTC | May 17, 16:01 UTC | 20m |
| 2026-05-16 | NWS1015 | - | May 16, 22:45 UTC | May 17, 14:55 UTC | 16h 10m |
| 2026-05-14 | NWS245 | - | May 14, 09:35 UTC | May 14, 09:55 UTC | 20m |
| 2026-05-13 | NWS1016 | - | May 13, 12:20 UTC | May 13, 19:45 UTC | 7h 25m |
| 2026-05-12 | NWS1016 | - | May 12, 22:31 UTC | May 13, 19:45 UTC | 21h 15m |
| 2026-05-11 | NWS1016 | - | May 11, 17:00 UTC | May 11, 17:15 UTC | 15m |
| 2026-05-11 | NWS1016 | - | May 11, 16:00 UTC | May 11, 16:55 UTC | 55m |
| 2026-05-10 | NWS268 | - | May 10, 14:54 UTC | May 10, 15:09 UTC | 15m |
| 2026-05-10 | NWS308 | - | May 10, 01:14 UTC | May 10, 09:55 UTC | 8h 40m |
| 2026-05-08 | NWS1016 | - | May 8, 19:00 UTC | May 8, 20:10 UTC | 1h 10m |
| 2026-05-08 | NWS1016 | - | May 8, 18:10 UTC | May 8, 18:20 UTC | 10m |
| 2026-05-08 | NWS1015 | - | May 8, 12:30 UTC | May 8, 15:30 UTC | 3h 0m |
| 2026-05-06 | NWS1016 | - | May 6, 16:55 UTC | May 6, 20:30 UTC | 3h 34m |
| 2026-05-05 | NWS744 | - | May 5, 21:20 UTC | May 6, 02:20 UTC | 5h 0m |
| 2026-05-05 | NWS744 | - | May 5, 19:30 UTC | May 5, 19:35 UTC | 5m |
| 2026-05-05 | NWS743 | - | May 5, 16:00 UTC | May 5, 16:40 UTC | 40m |
| 2026-05-04 | NWS1016 | - | May 4, 18:50 UTC | May 5, 16:40 UTC | 21h 50m |
| 2026-05-04 | NWS1016 | - | May 4, 05:25 UTC | May 4, 19:35 UTC | 14h 11m |
| 2026-05-03 | NWS253 | - | May 3, 19:10 UTC | May 4, 12:15 UTC | 17h 5m |
| 2026-05-03 | NWS243 | LED → LED | May 3, 10:25 UTC | May 3, 10:45 UTC | 20m |
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-73321 page for operator, model, and routing details .