sensors Mode-S transponder
151E66
ICAO 24-bit transponder address · allocated to Russia
Currently assigned to RA-73318 · BOEING 737-800
- Hex
- 151E66
- Octal
- 05217146
- Decimal
- 1,384,038
- Country
- RU
- Tail
- RA-73318
- Type
- B738
- Flights observed
- 104
- Distinct callsigns
- 20
- Country
- RU
- Last broadcast
- 9h ago
Last known position
Country allocation
The ICAO 24-bit address 151E66 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 |
|---|---|---|---|
| NWS285 | - | 8 | 2026-07-02 |
| NWS493 | - | 6 | 2026-07-15 |
| NWS491 | - | 6 | 2026-07-12 |
| NWS105 | - | 5 | 2026-06-27 |
| NWS494 | - | 4 | 2026-07-15 |
| NWS492 | - | 4 | 2026-06-04 |
| NWS484 | - | 4 | 2026-06-02 |
| NWS334 | - | 4 | 2026-07-03 |
| NWS106 | - | 4 | 2026-07-06 |
| NWS866 | - | 3 | 2026-06-20 |
| NWS506 | - | 3 | 2026-05-18 |
| NWS483 | - | 3 | 2026-07-14 |
| NWS310 | - | 3 | 2026-06-29 |
| NWS309 | - | 3 | 2026-06-28 |
| NWS855 | - | 2 | 2026-05-12 |
| NWS851 | - | 2 | 2026-06-17 |
| NWS313 | - | 2 | 2026-06-11 |
| NWS286 | - | 2 | 2026-07-02 |
| NWS283 | - | 2 | 2026-05-06 |
| NWS247 | - | 2 | 2026-05-14 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-17 | NWS1282 | - | Jul 17, 20:10 UTC | Jul 17, 20:44 UTC | 35m |
| 2026-07-17 | NWS1278 | - | Jul 17, 05:39 UTC | Jul 17, 05:50 UTC | 10m |
| 2026-07-17 | NWS1283 | - | Jul 17, 03:14 UTC | Jul 17, 03:25 UTC | 10m |
| 2026-07-16 | NWS1284 | - | Jul 16, 19:45 UTC | Jul 16, 20:09 UTC | 25m |
| 2026-07-15 | NWS494 | - | Jul 15, 02:25 UTC | Jul 15, 02:45 UTC | 20m |
| 2026-07-15 | NWS493 | - | Jul 15, 00:00 UTC | Jul 15, 00:45 UTC | 45m |
| 2026-07-14 | NWS493 | - | Jul 14, 03:45 UTC | Jul 15, 00:45 UTC | 20h 59m |
| 2026-07-14 | NWS483 | - | Jul 14, 01:55 UTC | Jul 14, 02:10 UTC | 15m |
| 2026-07-12 | NWS739 | - | Jul 12, 23:55 UTC | Jul 13, 02:50 UTC | 2h 55m |
| 2026-07-12 | NWS491 | - | Jul 12, 00:01 UTC | Jul 12, 00:25 UTC | 25m |
| 2026-07-11 | NWS494 | - | Jul 11, 06:35 UTC | Jul 11, 07:25 UTC | 50m |
| 2026-07-11 | NWS493 | - | Jul 11, 04:25 UTC | Jul 11, 05:10 UTC | 45m |
| 2026-07-06 | NWS106 | - | Jul 6, 15:05 UTC | Jul 7, 05:00 UTC | 13h 55m |
| 2026-07-03 | NWS334 | - | Jul 3, 18:25 UTC | Jul 4, 11:50 UTC | 17h 25m |
| 2026-07-03 | NWS334 | - | Jul 3, 14:10 UTC | Jul 4, 11:50 UTC | 21h 40m |
| 2026-07-02 | NWS286 | - | Jul 2, 15:30 UTC | Jul 2, 16:50 UTC | 1h 20m |
| 2026-07-02 | NWS285 | - | Jul 2, 13:30 UTC | Jul 2, 14:15 UTC | 45m |
| 2026-06-29 | NWS310 | - | Jun 29, 02:45 UTC | Jun 29, 09:29 UTC | 6h 45m |
| 2026-06-28 | NWS309 | - | Jun 28, 22:49 UTC | Jun 29, 01:10 UTC | 2h 20m |
| 2026-06-27 | NWS106 | - | Jun 27, 14:49 UTC | Jun 27, 16:35 UTC | 1h 45m |
| 2026-06-27 | NWS105 | - | Jun 27, 12:39 UTC | Jun 27, 13:20 UTC | 40m |
| 2026-06-27 | NWS105 | SVO → SVO | Jun 27, 11:14 UTC | Jun 27, 11:39 UTC | 25m |
| 2026-06-24 | NWS285 | - | Jun 24, 18:15 UTC | Jun 24, 18:44 UTC | 30m |
| 2026-06-23 | NWS732 | KGD → KZN | Jun 23, 17:50 UTC | Jun 23, 19:10 UTC | 1h 20m |
| 2026-06-23 | NWS731 | KZN → KGD | Jun 23, 15:30 UTC | Jun 23, 16:24 UTC | 55m |
| 2026-06-23 | NWS243 | LED → LED | Jun 23, 10:10 UTC | Jun 23, 10:39 UTC | 30m |
| 2026-06-20 | NWS866 | - | Jun 20, 16:05 UTC | Jun 20, 18:29 UTC | 2h 25m |
| 2026-06-19 | NWS866 | - | Jun 19, 18:25 UTC | Jun 20, 17:29 UTC | 23h 5m |
| 2026-06-17 | NWS851 | - | Jun 17, 16:50 UTC | Jun 17, 18:35 UTC | 1h 45m |
| 2026-06-16 | NWS852 | - | Jun 16, 23:50 UTC | Jun 17, 14:45 UTC | 14h 55m |
| 2026-06-16 | NWS866 | - | Jun 16, 18:39 UTC | Jun 16, 19:10 UTC | 30m |
| 2026-06-15 | NWS856 | - | Jun 15, 01:59 UTC | Jun 15, 02:10 UTC | 10m |
| 2026-06-13 | NWS285 | - | Jun 13, 18:55 UTC | Jun 13, 20:10 UTC | 1h 15m |
| 2026-06-13 | NWS341 | - | Jun 13, 11:05 UTC | Jun 13, 11:25 UTC | 20m |
| 2026-06-13 | NWS310 | - | Jun 13, 05:55 UTC | Jun 13, 08:55 UTC | 3h 0m |
| 2026-06-13 | NWS309 | - | Jun 13, 01:45 UTC | Jun 13, 04:15 UTC | 2h 29m |
| 2026-06-12 | NWS243 | - | Jun 12, 08:15 UTC | Jun 13, 04:15 UTC | 19h 59m |
| 2026-06-11 | NWS313 | - | Jun 11, 19:45 UTC | Jun 11, 22:30 UTC | 2h 45m |
| 2026-06-11 | NWS286 | - | Jun 11, 15:35 UTC | Jun 11, 16:40 UTC | 1h 5m |
| 2026-06-10 | NWS285 | - | Jun 10, 19:35 UTC | Jun 11, 14:10 UTC | 18h 35m |
| 2026-06-10 | NWS313 | - | Jun 10, 09:35 UTC | Jun 10, 19:50 UTC | 10h 15m |
| 2026-06-09 | NWS744 | - | Jun 9, 00:30 UTC | Jun 9, 08:30 UTC | 8h 0m |
| 2026-06-08 | NWS106 | - | Jun 8, 16:30 UTC | Jun 8, 17:45 UTC | 1h 15m |
| 2026-06-08 | NWS105 | - | Jun 8, 13:40 UTC | Jun 8, 14:25 UTC | 45m |
| 2026-06-07 | NWS285 | - | Jun 7, 13:45 UTC | Jun 7, 18:45 UTC | 5h 0m |
| 2026-06-06 | NWS334 | - | Jun 6, 11:19 UTC | Jun 6, 11:35 UTC | 15m |
| 2026-06-04 | NWS492 | - | Jun 4, 02:00 UTC | Jun 4, 06:10 UTC | 4h 10m |
| 2026-06-03 | NWS491 | - | Jun 3, 08:50 UTC | Jun 4, 00:25 UTC | 15h 35m |
| 2026-06-02 | NWS484 | - | Jun 2, 02:40 UTC | Jun 2, 03:10 UTC | 30m |
| 2026-06-01 | NWS494 | - | Jun 1, 04:45 UTC | Jun 1, 16:05 UTC | 11h 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-73318 page for operator, model, and routing details .