sensors Mode-S transponder
AE03F9
ICAO 24-bit transponder address
Currently assigned to 84-00173 · BEECH 200 Super King Air
- Hex
- AE03F9
- Octal
- 53401771
- Decimal
- 11,404,281
- Tail
- 84-00173
- Type
- BE20
No current signal · last broadcast 3d ago
- Flights observed
- 69
- Distinct callsigns
- 20
- Country
- -
- Last broadcast
- 3d ago
Last known position
Callsign history 20 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| DUKE47 | - | 10 | 2026-06-11 |
| DUKE29 | - | 8 | 2026-05-07 |
| DUKE89 | - | 6 | 2026-06-18 |
| DUKE12 | - | 6 | 2026-04-22 |
| DUKE28 | - | 5 | 2026-04-14 |
| DUKE10 | - | 5 | 2026-04-16 |
| DUKE77 | - | 3 | 2026-05-13 |
| DUKE75 | - | 3 | 2026-05-11 |
| DUKE66 | - | 3 | 2026-07-07 |
| DUKE60 | - | 3 | 2026-04-23 |
| DUKE20 | - | 3 | 2026-07-02 |
| DUKE69 | - | 2 | 2026-06-23 |
| DUKE63 | - | 2 | 2026-04-24 |
| DUKE50 | - | 2 | 2026-07-15 |
| DUKE25 | - | 2 | 2026-06-16 |
| DUKE18 | - | 2 | 2026-06-15 |
| DUKE99 | - | 1 | 2026-07-14 |
| DUKE88 | - | 1 | 2026-07-09 |
| DUKE74 | - | 1 | 2026-05-11 |
| DUKE73 | - | 1 | 2026-04-22 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-15 | DUKE50 | - | Jul 15, 09:15 UTC | Jul 15, 09:40 UTC | 25m |
| 2026-07-15 | DUKE50 | - | Jul 15, 07:10 UTC | Jul 15, 08:20 UTC | 1h 10m |
| 2026-07-14 | DUKE99 | WIE → WIE | Jul 14, 10:00 UTC | Jul 14, 12:10 UTC | 2h 10m |
| 2026-07-09 | DUKE88 | WIE → WIE | Jul 9, 08:20 UTC | Jul 9, 10:30 UTC | 2h 10m |
| 2026-07-07 | DUKE66 | WIE → WIE | Jul 7, 07:05 UTC | Jul 7, 10:05 UTC | 3h 0m |
| 2026-07-02 | DUKE20 | WIE → WIE | Jul 2, 12:30 UTC | Jul 2, 13:35 UTC | 1h 5m |
| 2026-06-30 | DUKE20 | WIE → WIE | Jun 30, 07:00 UTC | Jun 30, 08:35 UTC | 1h 35m |
| 2026-06-25 | DUKE20 | WIE → WIE | Jun 25, 06:55 UTC | Jun 25, 08:20 UTC | 1h 25m |
| 2026-06-23 | DUKE69 | - | Jun 23, 11:54 UTC | Jun 23, 12:20 UTC | 25m |
| 2026-06-23 | DUKE69 | - | Jun 23, 09:59 UTC | Jun 23, 10:24 UTC | 25m |
| 2026-06-18 | DUKE89 | WIE → WIE | Jun 18, 05:55 UTC | Jun 18, 07:00 UTC | 1h 5m |
| 2026-06-16 | DUKE25 | - | Jun 16, 08:35 UTC | Jun 16, 09:04 UTC | 30m |
| 2026-06-16 | DUKE25 | - | Jun 16, 07:09 UTC | Jun 16, 07:34 UTC | 25m |
| 2026-06-15 | DUKE18 | - | Jun 15, 08:29 UTC | Jun 15, 09:10 UTC | 40m |
| 2026-06-15 | DUKE18 | WIE → STR | Jun 15, 07:00 UTC | Jun 15, 08:10 UTC | 1h 10m |
| 2026-06-11 | DUKE47 | WIE → WIE | Jun 11, 05:05 UTC | Jun 11, 08:00 UTC | 2h 55m |
| 2026-06-09 | DUKE89 | WIE → WIE | Jun 9, 13:50 UTC | Jun 9, 14:40 UTC | 50m |
| 2026-06-09 | DUKE89 | WIE → WIE | Jun 9, 10:15 UTC | Jun 9, 11:50 UTC | 1h 35m |
| 2026-06-08 | DUKE89 | WIE → WIE | Jun 8, 08:05 UTC | Jun 8, 09:20 UTC | 1h 15m |
| 2026-06-03 | DUKE89 | WIE → WIE | Jun 3, 06:55 UTC | Jun 3, 09:05 UTC | 2h 10m |
| 2026-06-02 | DUKE89 | WIE → WIE | Jun 2, 07:10 UTC | Jun 2, 09:35 UTC | 2h 25m |
| 2026-05-20 | DUKE47 | WIE → WIE | May 20, 17:35 UTC | May 20, 18:10 UTC | 35m |
| 2026-05-13 | DUKE77 | ARN → WIE | May 13, 15:15 UTC | May 13, 18:10 UTC | 2h 55m |
| 2026-05-13 | DUKE77 | - | May 13, 12:40 UTC | May 13, 14:15 UTC | 1h 35m |
| 2026-05-13 | DUKE77 | - | May 13, 06:45 UTC | May 13, 10:40 UTC | 3h 55m |
| 2026-05-11 | DUKE74 | - | May 11, 09:35 UTC | May 11, 13:35 UTC | 4h 0m |
| 2026-05-11 | DUKE75 | - | May 11, 05:20 UTC | May 11, 08:00 UTC | 2h 40m |
| 2026-05-07 | DUKE29 | STR → WIE | May 7, 11:05 UTC | May 7, 11:45 UTC | 40m |
| 2026-05-06 | DUKE29 | TLL → STR | May 6, 17:40 UTC | May 6, 21:35 UTC | 3h 55m |
| 2026-05-05 | DUKE29 | VNO → TLL | May 5, 14:45 UTC | May 5, 16:06 UTC | 1h 20m |
| 2026-05-05 | DUKE29 | - | May 5, 08:15 UTC | May 5, 10:50 UTC | 2h 35m |
| 2026-05-04 | DUKE47 | - | May 4, 13:25 UTC | May 4, 14:10 UTC | 45m |
| 2026-05-04 | DUKE47 | WIE → STR | May 4, 11:05 UTC | May 4, 13:10 UTC | 2h 5m |
| 2026-04-30 | DUKE47 | WIE → WIE | Apr 30, 13:00 UTC | Apr 30, 15:50 UTC | 2h 50m |
| 2026-04-29 | DUKE47 | WIE → WIE | Apr 29, 13:10 UTC | Apr 29, 13:25 UTC | 15m |
| 2026-04-28 | DUKE47 | WIE → WIE | Apr 28, 13:10 UTC | Apr 28, 13:55 UTC | 45m |
| 2026-04-24 | DUKE63 | POZ → WIE | Apr 24, 17:30 UTC | Apr 24, 19:05 UTC | 1h 35m |
| 2026-04-24 | DUKE63 | - | Apr 24, 13:20 UTC | Apr 24, 16:25 UTC | 3h 5m |
| 2026-04-24 | DUKE75 | - | Apr 24, 09:15 UTC | Apr 24, 12:05 UTC | 2h 50m |
| 2026-04-24 | DUKE75 | - | Apr 24, 05:10 UTC | Apr 24, 07:40 UTC | 2h 30m |
| 2026-04-23 | DUKE60 | - | Apr 23, 13:55 UTC | Apr 23, 15:20 UTC | 1h 25m |
| 2026-04-23 | DUKE60 | - | Apr 23, 10:05 UTC | Apr 23, 13:05 UTC | 3h 0m |
| 2026-04-23 | DUKE60 | - | Apr 23, 05:00 UTC | Apr 23, 09:01 UTC | 4h 0m |
| 2026-04-22 | DUKE12 | RMS → WIE | Apr 22, 18:35 UTC | Apr 22, 19:00 UTC | 25m |
| 2026-04-22 | DUKE73 | - | Apr 22, 14:20 UTC | Apr 22, 17:10 UTC | 2h 50m |
| 2026-04-22 | DUKE12 | - | Apr 22, 11:25 UTC | Apr 22, 13:05 UTC | 1h 40m |
| 2026-04-22 | DUKE12 | - | Apr 22, 08:20 UTC | Apr 22, 10:05 UTC | 1h 45m |
| 2026-04-21 | DUKE12 | - | Apr 21, 11:00 UTC | Apr 21, 11:55 UTC | 55m |
| 2026-04-21 | DUKE12 | - | Apr 21, 06:45 UTC | Apr 21, 09:40 UTC | 2h 55m |
| 2026-04-20 | DUKE12 | WIE → RMS | Apr 20, 15:15 UTC | Apr 20, 15:45 UTC | 30m |
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 84-00173 page for operator, model, and routing details .
Mode-S AE03F9 frequently asked
What is Mode-S code AE03F9?
AE03F9 is an ICAO 24-bit transponder address. Assigned to 84-00173.
Is AE03F9 broadcasting right now?
No active broadcast right now. Last signal was 3d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AE03F9, octal 53401771, decimal 11,404,281.