sensors Mode-S transponder
A1E952
ICAO 24-bit transponder address · allocated to United States
Currently assigned to N222KB · EMBRAER EMB-505 Phenom 300 · operated by TVPX AIRCRAFT SOLUTIONS INC TRUSTEE
- Hex
- A1E952
- Octal
- 50364522
- Decimal
- 10,611,026
- Country
- US
- Tail
- N222KB
- Type
- E55P
- Flights observed
- 65
- Distinct callsigns
- 1
- Country
- US
- Last broadcast
- Jul 25, 18:40 UTC
Last known position
Country allocation
The ICAO 24-bit address A1E952 falls within the block assigned to United States (US) by ICAO Annex 10, Volume III. Every aircraft registered in United States 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 1 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| N222KB | - | 65 | 2026-07-25 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-25 | N222KB | - | Jul 25, 18:05 UTC | Jul 25, 18:40 UTC | 35m |
| 2026-07-24 | N222KB | - | Jul 24, 17:05 UTC | Jul 24, 17:45 UTC | 40m |
| 2026-07-22 | N222KB | - | Jul 22, 18:40 UTC | Jul 22, 19:20 UTC | 40m |
| 2026-07-20 | N222KB | - | Jul 20, 16:30 UTC | Jul 20, 17:10 UTC | 40m |
| 2026-07-18 | N222KB | - | Jul 18, 19:00 UTC | Jul 18, 19:30 UTC | 30m |
| 2026-07-18 | N222KB | - | Jul 18, 12:00 UTC | Jul 18, 12:25 UTC | 25m |
| 2026-07-17 | N222KB | - | Jul 17, 22:05 UTC | Jul 17, 22:29 UTC | 25m |
| 2026-07-17 | N222KB | - | Jul 17, 18:15 UTC | Jul 17, 20:04 UTC | 1h 50m |
| 2026-07-17 | N222KB | - | Jul 17, 15:49 UTC | Jul 17, 17:40 UTC | 1h 50m |
| 2026-07-13 | N222KB | - | Jul 13, 15:55 UTC | Jul 13, 17:50 UTC | 1h 55m |
| 2026-07-13 | N222KB | - | Jul 13, 13:40 UTC | Jul 13, 15:20 UTC | 1h 40m |
| 2026-07-10 | N222KB | - | Jul 10, 14:25 UTC | Jul 10, 15:15 UTC | 50m |
| 2026-07-08 | N222KB | - | Jul 8, 15:55 UTC | Jul 8, 16:35 UTC | 40m |
| 2026-06-28 | N222KB | - | Jun 28, 20:29 UTC | Jun 28, 21:14 UTC | 45m |
| 2026-06-28 | N222KB | - | Jun 28, 18:49 UTC | Jun 28, 19:34 UTC | 45m |
| 2026-06-28 | N222KB | - | Jun 28, 17:30 UTC | Jun 28, 18:05 UTC | 35m |
| 2026-06-27 | N222KB | - | Jun 27, 18:24 UTC | Jun 27, 19:15 UTC | 50m |
| 2026-06-24 | N222KB | - | Jun 24, 17:34 UTC | Jun 24, 19:39 UTC | 2h 5m |
| 2026-06-21 | N222KB | - | Jun 21, 13:00 UTC | Jun 21, 14:50 UTC | 1h 50m |
| 2026-06-18 | N222KB | - | Jun 18, 16:20 UTC | Jun 18, 17:15 UTC | 55m |
| 2026-06-18 | N222KB | - | Jun 18, 12:55 UTC | Jun 18, 13:35 UTC | 40m |
| 2026-06-16 | N222KB | - | Jun 16, 18:09 UTC | Jun 16, 18:45 UTC | 35m |
| 2026-06-16 | N222KB | - | Jun 16, 14:39 UTC | Jun 16, 15:00 UTC | 20m |
| 2026-06-16 | N222KB | - | Jun 16, 13:50 UTC | Jun 16, 14:00 UTC | 10m |
| 2026-06-16 | N222KB | - | Jun 16, 12:25 UTC | Jun 16, 13:15 UTC | 50m |
| 2026-06-14 | N222KB | - | Jun 14, 17:35 UTC | Jun 14, 18:20 UTC | 45m |
| 2026-06-13 | N222KB | - | Jun 13, 18:20 UTC | Jun 13, 18:30 UTC | 10m |
| 2026-06-13 | N222KB | - | Jun 13, 16:45 UTC | Jun 13, 17:20 UTC | 35m |
| 2026-06-09 | N222KB | - | Jun 9, 17:20 UTC | Jun 9, 18:05 UTC | 45m |
| 2026-06-09 | N222KB | - | Jun 9, 12:40 UTC | Jun 9, 13:15 UTC | 35m |
| 2026-06-03 | N222KB | - | Jun 3, 17:50 UTC | Jun 3, 18:25 UTC | 35m |
| 2026-06-03 | N222KB | - | Jun 3, 13:20 UTC | Jun 3, 13:55 UTC | 35m |
| 2026-05-29 | N222KB | - | May 29, 13:30 UTC | May 29, 18:20 UTC | 4h 50m |
| 2026-05-24 | N222KB | - | May 24, 17:35 UTC | May 24, 17:55 UTC | 20m |
| 2026-05-24 | N222KB | - | May 24, 13:05 UTC | May 24, 14:40 UTC | 1h 35m |
| 2026-05-23 | N222KB | - | May 23, 15:45 UTC | May 23, 17:40 UTC | 1h 55m |
| 2026-05-19 | N222KB | - | May 19, 15:25 UTC | May 19, 16:50 UTC | 1h 25m |
| 2026-05-17 | N222KB | - | May 17, 14:10 UTC | May 17, 15:20 UTC | 1h 10m |
| 2026-05-15 | N222KB | - | May 15, 15:05 UTC | May 15, 16:20 UTC | 1h 15m |
| 2026-05-12 | N222KB | - | May 12, 20:10 UTC | May 12, 20:25 UTC | 15m |
| 2026-05-12 | N222KB | - | May 12, 18:10 UTC | May 12, 18:20 UTC | 10m |
| 2026-05-12 | N222KB | - | May 12, 15:10 UTC | May 12, 15:25 UTC | 15m |
| 2026-05-11 | N222KB | - | May 11, 21:05 UTC | May 11, 21:21 UTC | 15m |
| 2026-05-11 | N222KB | - | May 11, 16:45 UTC | May 11, 17:00 UTC | 16m |
| 2026-05-11 | N222KB | - | May 11, 12:25 UTC | May 11, 12:50 UTC | 25m |
| 2026-05-07 | N222KB | - | May 7, 18:30 UTC | May 7, 20:20 UTC | 1h 50m |
| 2026-05-04 | N222KB | - | May 4, 17:35 UTC | May 4, 18:00 UTC | 25m |
| 2026-05-04 | N222KB | - | May 4, 13:30 UTC | May 4, 14:55 UTC | 1h 25m |
| 2026-04-29 | N222KB | - | Apr 29, 19:30 UTC | Apr 29, 20:00 UTC | 30m |
| 2026-04-29 | N222KB | - | Apr 29, 14:10 UTC | Apr 29, 14:55 UTC | 45m |
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 N222KB page for operator, model, and routing details .