sensors Mode-S transponder
AE4CFB
ICAO 24-bit transponder address
Currently assigned to 10-27027 · Alenia C-27J Spartan
- Hex
- AE4CFB
- Octal
- 53446373
- Decimal
- 11,422,971
- Tail
- 10-27027
- Type
- C27J
- Flights observed
- 48
- Distinct callsigns
- 4
- Country
- -
- Last broadcast
- 14h ago
Last known position
Callsign history 4 distinct
Recent flights last 48
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-17 | GECKO31 | - | Jul 17, 22:25 UTC | Jul 17, 23:14 UTC | 50m |
| 2026-07-17 | - | - | Jul 17, 20:04 UTC | Jul 17, 20:35 UTC | 30m |
| 2026-07-17 | GECKO31 | - | Jul 17, 16:44 UTC | Jul 17, 17:40 UTC | 55m |
| 2026-07-16 | GECKO31 | - | Jul 16, 22:10 UTC | Jul 16, 22:45 UTC | 35m |
| 2026-07-16 | GECKO31 | - | Jul 16, 19:05 UTC | Jul 16, 19:30 UTC | 25m |
| 2026-07-16 | GECKO31 | - | Jul 16, 16:40 UTC | Jul 16, 17:10 UTC | 30m |
| 2026-07-16 | GECKO31 | - | Jul 16, 13:34 UTC | Jul 16, 14:35 UTC | 1h 0m |
| 2026-07-15 | GECKO31 | - | Jul 15, 16:05 UTC | Jul 15, 16:15 UTC | 10m |
| 2026-07-15 | GECKO31 | - | Jul 15, 14:30 UTC | Jul 15, 14:55 UTC | 25m |
| 2026-07-15 | GECKO31 | - | Jul 15, 13:45 UTC | Jul 15, 13:50 UTC | 5m |
| 2026-07-13 | GECKO31 | - | Jul 13, 19:00 UTC | Jul 13, 21:10 UTC | 2h 10m |
| 2026-07-13 | GECKO31 | POB → HOP | Jul 13, 16:30 UTC | Jul 13, 18:15 UTC | 1h 45m |
| 2026-06-29 | DESERT7 | - | Jun 29, 20:49 UTC | Jun 29, 23:19 UTC | 2h 30m |
| 2026-06-29 | DESERT7 | - | Jun 29, 14:54 UTC | Jun 29, 19:24 UTC | 4h 30m |
| 2026-06-26 | DESERT7 | - | Jun 26, 14:50 UTC | Jun 26, 17:00 UTC | 2h 10m |
| 2026-06-25 | DESERT7 | - | Jun 25, 16:09 UTC | Jun 25, 16:20 UTC | 10m |
| 2026-06-25 | DESERT7 | - | Jun 25, 15:10 UTC | Jun 25, 15:34 UTC | 25m |
| 2026-06-24 | DESERT7 | - | Jun 24, 15:44 UTC | Jun 24, 18:29 UTC | 2h 45m |
| 2026-06-23 | DESERT7 | - | Jun 23, 15:44 UTC | Jun 23, 18:29 UTC | 2h 45m |
| 2026-06-22 | DESERT7 | - | Jun 22, 15:24 UTC | Jun 22, 18:09 UTC | 2h 45m |
| 2026-06-18 | DESERT7 | - | Jun 18, 18:00 UTC | Jun 18, 20:00 UTC | 2h 0m |
| 2026-06-18 | DESERT7 | - | Jun 18, 16:25 UTC | Jun 18, 17:21 UTC | 56m |
| 2026-06-18 | DESERT7 | - | Jun 18, 00:10 UTC | Jun 18, 01:40 UTC | 1h 30m |
| 2026-06-17 | DESERT7 | - | Jun 17, 19:20 UTC | Jun 17, 22:40 UTC | 3h 20m |
| 2026-06-16 | DESERT7 | - | Jun 16, 17:00 UTC | Jun 16, 19:40 UTC | 2h 40m |
| 2026-06-14 | DESERT7 | - | Jun 14, 18:50 UTC | Jun 14, 19:40 UTC | 50m |
| 2026-06-14 | DESERT7 | - | Jun 14, 16:00 UTC | Jun 14, 16:45 UTC | 45m |
| 2026-06-04 | DESERT7 | - | Jun 4, 14:40 UTC | Jun 4, 16:55 UTC | 2h 15m |
| 2026-06-03 | DESERT7 | COS → COS | Jun 3, 17:40 UTC | Jun 3, 20:05 UTC | 2h 25m |
| 2026-06-03 | DESERT7 | COS → COS | Jun 3, 14:25 UTC | Jun 3, 16:40 UTC | 2h 15m |
| 2026-05-31 | GECKO71 | - | May 31, 12:15 UTC | May 31, 17:25 UTC | 5h 10m |
| 2026-04-30 | GECKO71 | - | Apr 30, 21:20 UTC | Apr 30, 21:30 UTC | 10m |
| 2026-04-30 | GECKO71 | - | Apr 30, 18:30 UTC | Apr 30, 19:00 UTC | 30m |
| 2026-04-30 | - | - | Apr 30, 16:40 UTC | Apr 30, 17:15 UTC | 35m |
| 2026-04-30 | GECKO71 | - | Apr 30, 11:30 UTC | Apr 30, 11:40 UTC | 10m |
| 2026-04-30 | GECKO31 | - | Apr 30, 00:30 UTC | Apr 30, 00:55 UTC | 25m |
| 2026-04-28 | GECKO31 | - | Apr 28, 12:05 UTC | Apr 28, 14:35 UTC | 2h 30m |
| 2026-04-27 | GECKO77 | - | Apr 27, 18:10 UTC | Apr 27, 19:35 UTC | 1h 25m |
| 2026-04-27 | GECKO77 | - | Apr 27, 13:45 UTC | Apr 27, 15:00 UTC | 1h 15m |
| 2026-04-24 | GECKO77 | - | Apr 24, 12:00 UTC | Apr 24, 15:15 UTC | 3h 15m |
| 2026-04-23 | GECKO31 | - | Apr 23, 12:20 UTC | Apr 23, 16:00 UTC | 3h 40m |
| 2026-04-14 | GECKO31 | - | Apr 14, 18:55 UTC | Apr 14, 19:10 UTC | 15m |
| 2026-04-14 | GECKO31 | - | Apr 14, 17:25 UTC | Apr 14, 18:45 UTC | 1h 20m |
| 2026-04-14 | GECKO31 | - | Apr 14, 13:20 UTC | Apr 14, 13:55 UTC | 35m |
| 2026-04-14 | GECKO31 | - | Apr 14, 10:50 UTC | Apr 14, 12:35 UTC | 1h 45m |
| 2026-04-14 | GECKO31 | - | Apr 14, 10:40 UTC | Apr 14, 11:05 UTC | 25m |
| 2026-04-13 | GECKO71 | - | Apr 13, 15:50 UTC | Apr 13, 16:10 UTC | 20m |
| 2026-04-13 | GECKO71 | - | Apr 13, 15:10 UTC | Apr 13, 16:10 UTC | 1h 0m |
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 10-27027 page for operator, model, and routing details .