sensors Mode-S transponder
140AB4
ICAO 24-bit transponder address · allocated to Russia
Currently assigned to RA-02740 · EMBRAER ERJ-190-100
- Hex
- 140AB4
- Octal
- 05005264
- Decimal
- 1,313,460
- Country
- RU
- Tail
- RA-02740
- Type
- E190
- Flights observed
- 57
- Distinct callsigns
- 20
- Country
- RU
- Last broadcast
- 6h ago
Last known position
Country allocation
The ICAO 24-bit address 140AB4 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 |
|---|---|---|---|
| KAR347 | Kar-Air | 8 | 2026-06-02 |
| KAR395 | Kar-Air | 5 | 2026-06-01 |
| KAR984 | Kar-Air | 4 | 2026-05-21 |
| KAR436 | Kar-Air | 4 | 2026-05-13 |
| KAR394 | Kar-Air | 4 | 2026-05-10 |
| KAR269 | Kar-Air | 4 | 2026-05-06 |
| KAR519 | Kar-Air | 3 | 2026-05-12 |
| KAR432 | Kar-Air | 3 | 2026-05-12 |
| KAR1294 | - | 3 | 2026-05-23 |
| KAR983 | Kar-Air | 2 | 2026-05-04 |
| KAR857 | Kar-Air | 2 | 2026-05-21 |
| KAR435 | Kar-Air | 2 | 2026-05-15 |
| KAR393 | Kar-Air | 2 | 2026-05-10 |
| KAR104 | Kar-Air | 2 | 2026-05-17 |
| KAR9801 | - | 1 | 2026-05-26 |
| KAR858 | Kar-Air | 1 | 2026-05-21 |
| KAR520 | Kar-Air | 1 | 2026-05-08 |
| KAR396 | Kar-Air | 1 | 2026-05-29 |
| KAR348 | Kar-Air | 1 | 2026-04-26 |
| KAR256 | Kar-Air | 1 | 2026-04-17 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-02 | KAR347 | LED → KRO | Jun 2, 10:15 UTC | Jun 2, 21:45 UTC | 11h 30m |
| 2026-06-01 | KAR347 | LED → KRO | Jun 1, 23:55 UTC | Jun 2, 21:45 UTC | 21h 50m |
| 2026-06-01 | KAR395 | LED → IWA | Jun 1, 05:25 UTC | Jun 1, 06:10 UTC | 45m |
| 2026-05-30 | KAR347 | LED → KRO | May 30, 06:20 UTC | May 31, 00:35 UTC | 18h 15m |
| 2026-05-29 | KAR396 | IWA → LED | May 29, 18:00 UTC | May 30, 06:30 UTC | 12h 30m |
| 2026-05-29 | KAR395 | LED → IWA | May 29, 15:30 UTC | May 29, 16:25 UTC | 55m |
| 2026-05-26 | KAR347 | LED → KRO | May 26, 20:00 UTC | May 26, 21:44 UTC | 1h 45m |
| 2026-05-26 | KAR9801 | - | May 26, 00:54 UTC | May 26, 15:00 UTC | 14h 5m |
| 2026-05-24 | KAR1293 | SVO → SUI | May 24, 10:55 UTC | May 24, 11:30 UTC | 35m |
| 2026-05-23 | KAR1294 | - | May 23, 09:40 UTC | May 23, 10:20 UTC | 40m |
| 2026-05-21 | KAR984 | KGD → IWA | May 21, 12:00 UTC | May 21, 13:35 UTC | 1h 35m |
| 2026-05-21 | KAR858 | GSV → KGD | May 21, 09:50 UTC | May 21, 10:30 UTC | 40m |
| 2026-05-21 | KAR857 | KGD → GSV | May 21, 06:15 UTC | May 21, 06:25 UTC | 10m |
| 2026-05-20 | KAR857 | KGD → GSV | May 20, 22:30 UTC | May 21, 00:45 UTC | 2h 15m |
| 2026-05-20 | KAR103 | - | May 20, 19:00 UTC | May 20, 21:10 UTC | 2h 10m |
| 2026-05-18 | KAR1294 | - | May 18, 20:15 UTC | May 19, 14:20 UTC | 18h 5m |
| 2026-05-17 | KAR1294 | - | May 17, 17:15 UTC | May 17, 17:50 UTC | 35m |
| 2026-05-17 | KAR104 | KGD → SVO | May 17, 08:25 UTC | May 17, 10:25 UTC | 2h 0m |
| 2026-05-15 | KAR104 | KGD → SVO | May 15, 22:50 UTC | May 16, 07:55 UTC | 9h 6m |
| 2026-05-15 | KAR395 | LED → IWA | May 15, 15:40 UTC | May 15, 16:00 UTC | 20m |
| 2026-05-15 | KAR435 | AER → OSW | May 15, 06:10 UTC | May 15, 10:55 UTC | 4h 45m |
| 2026-05-13 | KAR436 | OSW → AER | May 13, 13:10 UTC | May 14, 05:45 UTC | 16h 35m |
| 2026-05-13 | KAR436 | OSW → AER | May 13, 04:50 UTC | May 14, 01:45 UTC | 20h 55m |
| 2026-05-12 | KAR519 | AER → KRO | May 12, 21:20 UTC | May 13, 21:00 UTC | 23h 40m |
| 2026-05-12 | KAR432 | REN → AER | May 12, 06:25 UTC | May 12, 16:40 UTC | 10h 15m |
| 2026-05-10 | KAR394 | IWA → LED | May 10, 09:15 UTC | May 10, 14:49 UTC | 5h 35m |
| 2026-05-10 | KAR393 | LED → IWA | May 10, 07:10 UTC | May 10, 07:55 UTC | 45m |
| 2026-05-09 | KAR519 | AER → KRO | May 9, 22:55 UTC | May 10, 05:20 UTC | 6h 25m |
| 2026-05-08 | KAR520 | KRO → AER | May 8, 16:15 UTC | May 9, 10:05 UTC | 17h 50m |
| 2026-05-06 | KAR269 | LED → OSW | May 6, 18:15 UTC | May 6, 19:55 UTC | 1h 40m |
| 2026-05-05 | KAR269 | LED → OSW | May 5, 21:40 UTC | May 6, 19:55 UTC | 22h 14m |
| 2026-05-04 | KAR347 | LED → KRO | May 4, 21:20 UTC | May 4, 21:30 UTC | 10m |
| 2026-05-04 | KAR984 | KGD → IWA | May 4, 13:15 UTC | May 4, 14:30 UTC | 1h 15m |
| 2026-05-04 | KAR983 | IWA → KGD | May 4, 10:40 UTC | May 4, 11:35 UTC | 55m |
| 2026-05-03 | KAR269 | LED → OSW | May 3, 21:24 UTC | May 3, 21:44 UTC | 20m |
| 2026-05-03 | KAR393 | LED → IWA | May 3, 11:00 UTC | May 3, 11:45 UTC | 45m |
| 2026-05-02 | KAR519 | AER → KRO | May 2, 22:10 UTC | May 2, 22:20 UTC | 10m |
| 2026-04-29 | KAR436 | OSW → AER | Apr 29, 12:50 UTC | Apr 30, 02:20 UTC | 13h 29m |
| 2026-04-28 | KAR432 | REN → AER | Apr 28, 16:00 UTC | Apr 29, 12:55 UTC | 20h 55m |
| 2026-04-27 | KAR347 | LED → KRO | Apr 27, 22:05 UTC | Apr 28, 16:20 UTC | 18h 15m |
| 2026-04-27 | KAR394 | IWA → LED | Apr 27, 17:05 UTC | Apr 28, 16:20 UTC | 23h 15m |
| 2026-04-27 | KAR394 | IWA → LED | Apr 27, 16:40 UTC | Apr 27, 22:50 UTC | 6h 10m |
| 2026-04-27 | KAR984 | KGD → IWA | Apr 27, 13:10 UTC | Apr 27, 15:10 UTC | 2h 0m |
| 2026-04-27 | KAR395 | LED → IWA | Apr 27, 07:25 UTC | Apr 27, 07:50 UTC | 25m |
| 2026-04-26 | KAR269 | LED → OSW | Apr 26, 16:40 UTC | Apr 27, 04:20 UTC | 11h 40m |
| 2026-04-26 | KAR2454 | LED → AER | Apr 26, 11:00 UTC | Apr 26, 13:55 UTC | 2h 55m |
| 2026-04-26 | KAR348 | KRO → LED | Apr 26, 01:50 UTC | Apr 26, 06:00 UTC | 4h 10m |
| 2026-04-22 | KAR436 | OSW → AER | Apr 22, 11:05 UTC | Apr 22, 17:10 UTC | 6h 5m |
| 2026-04-20 | KAR394 | - | Apr 20, 16:55 UTC | Apr 20, 17:50 UTC | 55m |
| 2026-04-20 | KAR395 | LED → IWA | Apr 20, 07:15 UTC | Apr 20, 15:30 UTC | 8h 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-02740 page for operator, model, and routing details .