sensors Mode-S transponder
AE01A4
ICAO 24-bit transponder address
Currently assigned to 86-0377 · LEARJET 35
- Hex
- AE01A4
- Octal
- 53400644
- Decimal
- 11,403,684
- Tail
- 86-0377
- Type
- LJ35
No current signal · last broadcast 6h ago
- Flights observed
- 88
- Distinct callsigns
- 20
- Country
- -
- Last broadcast
- 6h ago
Last known position
Callsign history 20 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| TRICK18 | - | 6 | 2026-04-15 |
| SWIFT91 | - | 6 | 2026-05-29 |
| SPAR756 | - | 6 | 2026-04-14 |
| SPAR960 | - | 4 | 2026-06-26 |
| SPAR896 | - | 4 | 2026-06-16 |
| SPAR804 | - | 4 | 2026-06-04 |
| SPAR753 | - | 4 | 2026-06-11 |
| SPAR748 | - | 4 | 2026-04-13 |
| SPAR719 | - | 4 | 2026-06-06 |
| SPAR588 | - | 4 | 2026-05-17 |
| SPAR511 | - | 4 | 2026-05-27 |
| SPAR391 | - | 4 | 2026-05-11 |
| TRICK45 | - | 3 | 2026-07-16 |
| TRICK13 | - | 3 | 2026-07-13 |
| SPAR866 | - | 3 | 2026-06-17 |
| SPAR780 | - | 3 | 2026-06-13 |
| SPAR744 | - | 3 | 2026-07-01 |
| COUGR37 | - | 3 | 2026-07-18 |
| COUGR18 | - | 3 | 2026-05-07 |
| SPAR431 | - | 2 | 2026-05-11 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-18 | COUGR37 | - | Jul 18, 01:30 UTC | Jul 18, 03:15 UTC | 1h 46m |
| 2026-07-17 | COUGR37 | - | Jul 17, 23:25 UTC | Jul 17, 23:39 UTC | 15m |
| 2026-07-17 | COUGR37 | - | Jul 17, 21:20 UTC | Jul 17, 22:20 UTC | 1h 0m |
| 2026-07-17 | COUGR24 | - | Jul 17, 17:30 UTC | Jul 17, 18:29 UTC | 1h 0m |
| 2026-07-17 | COUGR24 | - | Jul 17, 13:00 UTC | Jul 17, 15:05 UTC | 2h 5m |
| 2026-07-16 | TRICK45 | - | Jul 16, 18:50 UTC | Jul 16, 20:39 UTC | 1h 50m |
| 2026-07-16 | TRICK45 | - | Jul 16, 14:50 UTC | Jul 16, 16:15 UTC | 1h 25m |
| 2026-07-14 | COUGR21 | - | Jul 14, 17:15 UTC | Jul 14, 17:55 UTC | 40m |
| 2026-07-14 | COUGR21 | - | Jul 14, 13:05 UTC | Jul 14, 14:25 UTC | 1h 20m |
| 2026-07-13 | TRICK13 | BLV → BLV | Jul 13, 18:30 UTC | Jul 13, 20:35 UTC | 2h 5m |
| 2026-07-12 | COUGR26 | BLV → BLV | Jul 12, 15:01 UTC | Jul 12, 16:01 UTC | 1h 0m |
| 2026-07-07 | TRICK45 | - | Jul 7, 14:25 UTC | Jul 7, 15:10 UTC | 45m |
| 2026-07-06 | TRICK13 | - | Jul 6, 19:30 UTC | Jul 6, 21:45 UTC | 2h 15m |
| 2026-07-06 | TRICK13 | - | Jul 6, 15:00 UTC | Jul 6, 17:25 UTC | 2h 25m |
| 2026-07-01 | SPAR744 | - | Jul 1, 21:30 UTC | Jul 1, 23:00 UTC | 1h 30m |
| 2026-07-01 | SPAR744 | - | Jul 1, 19:10 UTC | Jul 1, 20:00 UTC | 50m |
| 2026-07-01 | SPAR744 | - | Jul 1, 15:45 UTC | Jul 1, 17:55 UTC | 2h 10m |
| 2026-06-26 | SPAR960 | - | Jun 26, 21:39 UTC | Jun 26, 23:30 UTC | 1h 50m |
| 2026-06-26 | SPAR960 | - | Jun 26, 18:20 UTC | Jun 26, 20:24 UTC | 2h 5m |
| 2026-06-26 | SPAR960 | - | Jun 26, 11:14 UTC | Jun 26, 13:45 UTC | 2h 30m |
| 2026-06-25 | SPAR960 | - | Jun 25, 17:25 UTC | Jun 25, 18:55 UTC | 1h 30m |
| 2026-06-23 | TRICK17 | - | Jun 23, 14:29 UTC | Jun 23, 16:39 UTC | 2h 10m |
| 2026-06-17 | SPAR866 | - | Jun 17, 21:15 UTC | Jun 17, 22:10 UTC | 55m |
| 2026-06-17 | SPAR866 | - | Jun 17, 17:50 UTC | Jun 17, 19:35 UTC | 1h 45m |
| 2026-06-17 | SPAR866 | - | Jun 17, 14:20 UTC | Jun 17, 16:45 UTC | 2h 25m |
| 2026-06-16 | SPAR896 | - | Jun 16, 22:35 UTC | Jun 17, 00:20 UTC | 1h 45m |
| 2026-06-16 | SPAR896 | - | Jun 16, 20:45 UTC | Jun 16, 21:50 UTC | 1h 5m |
| 2026-06-16 | SPAR896 | - | Jun 16, 16:00 UTC | Jun 16, 17:15 UTC | 1h 15m |
| 2026-06-15 | SPAR896 | - | Jun 15, 18:25 UTC | Jun 15, 19:45 UTC | 1h 20m |
| 2026-06-13 | SPAR780 | - | Jun 13, 01:55 UTC | Jun 13, 03:45 UTC | 1h 50m |
| 2026-06-12 | SPAR780 | FFO → ADW | Jun 12, 19:40 UTC | Jun 12, 21:15 UTC | 1h 35m |
| 2026-06-12 | SPAR780 | - | Jun 12, 17:30 UTC | Jun 12, 18:20 UTC | 50m |
| 2026-06-11 | COUGR25 | - | Jun 11, 23:00 UTC | Jun 11, 23:25 UTC | 25m |
| 2026-06-11 | COUGR25 | - | Jun 11, 21:20 UTC | Jun 11, 21:35 UTC | 15m |
| 2026-06-11 | COUGR42 | - | Jun 11, 17:50 UTC | Jun 11, 19:05 UTC | 1h 15m |
| 2026-06-11 | SPAR753 | - | Jun 11, 13:30 UTC | Jun 11, 15:20 UTC | 1h 50m |
| 2026-06-09 | SPAR753 | - | Jun 9, 22:15 UTC | Jun 9, 23:05 UTC | 50m |
| 2026-06-09 | SPAR753 | - | Jun 9, 19:20 UTC | Jun 9, 21:00 UTC | 1h 40m |
| 2026-06-09 | SPAR753 | - | Jun 9, 16:45 UTC | Jun 9, 17:40 UTC | 55m |
| 2026-06-06 | SPAR719 | - | Jun 6, 14:59 UTC | Jun 6, 17:05 UTC | 2h 5m |
| 2026-06-05 | SPAR719 | - | Jun 5, 18:30 UTC | Jun 5, 19:50 UTC | 1h 20m |
| 2026-06-05 | SPAR719 | - | Jun 5, 15:30 UTC | Jun 5, 17:35 UTC | 2h 5m |
| 2026-06-05 | SPAR719 | - | Jun 5, 11:50 UTC | Jun 5, 13:45 UTC | 1h 55m |
| 2026-06-04 | SPAR804 | - | Jun 4, 14:35 UTC | Jun 4, 16:05 UTC | 1h 30m |
| 2026-06-03 | SPAR804 | - | Jun 3, 19:15 UTC | Jun 3, 22:30 UTC | 3h 15m |
| 2026-06-03 | SPAR804 | - | Jun 3, 11:30 UTC | Jun 3, 14:30 UTC | 3h 0m |
| 2026-06-02 | SPAR804 | - | Jun 2, 15:50 UTC | Jun 2, 17:30 UTC | 1h 40m |
| 2026-05-29 | SWIFT91 | - | May 29, 16:40 UTC | May 29, 19:15 UTC | 2h 35m |
| 2026-05-29 | SWIFT91 | - | May 29, 12:50 UTC | May 29, 15:40 UTC | 2h 50m |
| 2026-05-28 | SWIFT91 | - | May 28, 20:30 UTC | May 28, 21:05 UTC | 35m |
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 86-0377 page for operator, model, and routing details .
Mode-S AE01A4 frequently asked
What is Mode-S code AE01A4?
AE01A4 is an ICAO 24-bit transponder address. Assigned to 86-0377.
Is AE01A4 broadcasting right now?
No active broadcast right now. Last signal was 6h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AE01A4, octal 53400644, decimal 11,403,684.