sensors Mode-S transponder
151DDE
ICAO 24-bit transponder address · allocated to Russia
Currently assigned to RA-73182 · BOEING 737-800
- Hex
- 151DDE
- Octal
- 05216736
- Decimal
- 1,383,902
- Country
- RU
- Tail
- RA-73182
- Type
- B738
- Flights observed
- 101
- Distinct callsigns
- 20
- Country
- RU
- Last broadcast
- 4h ago
Last known position
Country allocation
The ICAO 24-bit address 151DDE 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
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | SBI3034 | UUD → DME | May 29, 19:45 UTC | May 30, 07:25 UTC | 11h 40m |
| 2026-05-29 | SBI2169 | DME → MRV | May 29, 11:15 UTC | May 29, 11:25 UTC | 10m |
| 2026-05-28 | SBI3041 | DME → BTK | May 28, 21:55 UTC | May 29, 07:45 UTC | 9h 50m |
| 2026-05-28 | SBI3041 | DME → BTK | May 28, 21:15 UTC | May 28, 21:25 UTC | 10m |
| 2026-05-28 | SBI3748 | AYT → DME | May 28, 14:20 UTC | May 28, 16:10 UTC | 1h 50m |
| 2026-05-28 | SBI3747 | DME → AYT | May 28, 12:35 UTC | May 28, 13:10 UTC | 35m |
| 2026-05-26 | SBI2572 | NUX → DME | May 26, 23:25 UTC | May 27, 06:44 UTC | 7h 20m |
| 2026-05-26 | SBI2571 | DME → NUX | May 26, 02:55 UTC | May 27, 01:09 UTC | 22h 15m |
| 2026-05-25 | SBI3017 | DME → IKT | May 25, 19:00 UTC | May 26, 03:45 UTC | 8h 44m |
| 2026-05-25 | SBI3017 | DME → IKT | May 25, 07:50 UTC | May 26, 03:45 UTC | 19h 54m |
| 2026-05-24 | SBI2511 | DME → OVB | May 24, 17:05 UTC | May 25, 03:45 UTC | 10h 40m |
| 2026-05-23 | SBI3746 | AYT → DME | May 23, 11:55 UTC | May 23, 13:50 UTC | 1h 55m |
| 2026-05-23 | SBI3745 | DME → AYT | May 23, 10:00 UTC | May 23, 10:15 UTC | 15m |
| 2026-05-22 | SBI2565 | DME → OMS | May 22, 22:10 UTC | May 23, 02:15 UTC | 4h 5m |
| 2026-05-22 | SBI1008 | LED → DME | May 22, 17:55 UTC | May 22, 19:15 UTC | 1h 20m |
| 2026-05-22 | SBI3042 | BTK → DME | May 22, 08:05 UTC | May 22, 09:10 UTC | 1h 5m |
| 2026-05-17 | SBI2571 | DME → NUX | May 17, 17:01 UTC | May 18, 04:40 UTC | 11h 40m |
| 2026-05-17 | SBI3032 | UUD → DME | May 17, 02:25 UTC | May 18, 00:30 UTC | 22h 5m |
| 2026-05-16 | SBI3031 | DME → UUD | May 16, 18:10 UTC | May 16, 18:25 UTC | 15m |
| 2026-05-15 | SBI2582 | NSK → DME | May 15, 23:40 UTC | May 16, 13:31 UTC | 13h 51m |
| 2026-05-15 | SBI2606 | KEJ → DME | May 15, 00:15 UTC | May 15, 00:50 UTC | 35m |
| 2026-05-14 | SBI2605 | DME → KEJ | May 14, 22:15 UTC | May 14, 22:55 UTC | 40m |
| 2026-05-14 | SBI2606 | KEJ → DME | May 14, 04:05 UTC | May 14, 04:25 UTC | 20m |
| 2026-05-14 | SBI2606 | KEJ → DME | May 14, 00:15 UTC | May 14, 00:50 UTC | 35m |
| 2026-05-13 | SBI1214 | KGD → DME | May 13, 16:15 UTC | May 13, 23:05 UTC | 6h 50m |
| 2026-05-13 | SBI3018 | IKT → DME | May 13, 03:10 UTC | May 13, 14:45 UTC | 11h 35m |
| 2026-05-13 | SBI3018 | IKT → DME | May 13, 01:45 UTC | May 13, 01:55 UTC | 10m |
| 2026-05-12 | SBI3017 | DME → IKT | May 12, 23:50 UTC | May 13, 00:00 UTC | 10m |
| 2026-05-12 | SBI3017 | DME → IKT | May 12, 03:35 UTC | May 12, 22:45 UTC | 19h 10m |
| 2026-05-12 | SBI3017 | DME → IKT | May 12, 03:00 UTC | May 12, 22:45 UTC | 19h 45m |
| 2026-05-11 | SBI3017 | DME → IKT | May 11, 22:05 UTC | May 12, 20:15 UTC | 22h 10m |
| 2026-05-11 | SBI3017 | DME → IKT | May 11, 19:20 UTC | May 12, 03:45 UTC | 8h 25m |
| 2026-05-11 | SBI3017 | DME → IKT | May 11, 05:35 UTC | May 12, 03:45 UTC | 22h 11m |
| 2026-05-11 | SBI2572 | NUX → DME | May 11, 04:20 UTC | May 12, 03:30 UTC | 23h 10m |
| 2026-05-11 | SBI2572 | NUX → DME | May 11, 00:19 UTC | May 11, 22:35 UTC | 22h 15m |
| 2026-05-09 | SBI2565 | DME → OMS | May 9, 05:00 UTC | May 9, 22:05 UTC | 17h 5m |
| 2026-05-08 | SBI6401 | KJA → BTK | May 8, 17:15 UTC | May 8, 17:25 UTC | 10m |
| 2026-05-08 | SBI3034 | UUD → DME | May 8, 02:39 UTC | May 8, 13:55 UTC | 11h 15m |
| 2026-05-07 | SBI3033 | DME → UUD | May 7, 22:59 UTC | May 8, 00:49 UTC | 1h 50m |
| 2026-05-06 | SBI1214 | KGD → DME | May 6, 17:10 UTC | May 6, 17:20 UTC | 10m |
| 2026-05-06 | SBI3034 | UUD → DME | May 6, 02:30 UTC | May 6, 07:40 UTC | 5h 10m |
| 2026-05-05 | SBI1214 | KGD → DME | May 5, 15:55 UTC | May 5, 23:10 UTC | 7h 15m |
| 2026-05-05 | SBI1213 | DME → MRV | May 5, 00:40 UTC | May 5, 14:15 UTC | 13h 35m |
| 2026-05-04 | SBI2593 | DME → ABA | May 4, 20:10 UTC | May 4, 22:40 UTC | 2h 30m |
| 2026-05-03 | SBI3034 | UUD → DME | May 3, 02:25 UTC | May 3, 02:50 UTC | 25m |
| 2026-05-02 | SBI3022 | IKT → DME | May 2, 05:00 UTC | May 2, 23:15 UTC | 18h 15m |
| 2026-05-02 | SBI3022 | IKT → DME | May 2, 01:35 UTC | May 2, 23:15 UTC | 21h 40m |
| 2026-05-02 | SBI3022 | IKT → DME | May 2, 01:20 UTC | May 2, 23:15 UTC | 21h 56m |
| 2026-05-01 | SBI3022 | IKT → DME | May 1, 17:00 UTC | May 2, 08:15 UTC | 15h 15m |
| 2026-05-01 | SBI3021 | DME → IKT | May 1, 15:00 UTC | May 1, 15:10 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-73182 page for operator, model, and routing details .