sensors Mode-S transponder
AE638D
ICAO 24-bit transponder address
Currently assigned to 169792 · Boeing C-40A Clipper
- Hex
- AE638D
- Octal
- 53461615
- Decimal
- 11,428,749
- Tail
- 169792
- Type
- B737
No current signal · last broadcast Jul 24, 03:40 UTC
- Flights observed
- 77
- Distinct callsigns
- 20
- Country
- -
- Last broadcast
- Jul 24, 03:40 UTC
Last known position
Callsign history 20 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| CNV7267 | - | 8 | 2026-07-19 |
| CNV6615 | - | 7 | 2026-04-17 |
| CNV5404 | - | 5 | 2026-06-07 |
| CNV5409 | - | 4 | 2026-06-11 |
| CNV4351 | - | 4 | 2026-06-28 |
| CNV792 | - | 3 | 2026-07-11 |
| CNV7851 | - | 3 | 2026-07-23 |
| CNV7760 | - | 3 | 2026-07-13 |
| CNV7712 | - | 3 | 2026-07-21 |
| CNV6628 | - | 3 | 2026-04-29 |
| CNV6624 | - | 3 | 2026-04-25 |
| CNV6618 | - | 3 | 2026-04-18 |
| CNV6614 | - | 3 | 2026-04-14 |
| CNV5436 | - | 3 | 2026-05-31 |
| CNV5422 | - | 3 | 2026-05-23 |
| CNV4341 | - | 3 | 2026-06-15 |
| CNV6623 | - | 2 | 2026-04-23 |
| CNV6622 | - | 2 | 2026-04-22 |
| CNV6621 | - | 2 | 2026-04-21 |
| CNV6620 | - | 2 | 2026-04-20 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-24 | CNV7143 | - | Jul 24, 00:05 UTC | Jul 24, 03:40 UTC | 3h 35m |
| 2026-07-23 | CNV7851 | - | Jul 23, 01:25 UTC | Jul 23, 05:10 UTC | 3h 45m |
| 2026-07-22 | CNV7851 | - | Jul 22, 03:10 UTC | Jul 22, 05:25 UTC | 2h 15m |
| 2026-07-22 | CNV7851 | - | Jul 22, 00:30 UTC | Jul 22, 01:30 UTC | 1h 0m |
| 2026-07-21 | CNV7712 | - | Jul 21, 07:50 UTC | Jul 21, 11:45 UTC | 3h 55m |
| 2026-07-21 | CNV7712 | - | Jul 21, 02:20 UTC | Jul 21, 06:40 UTC | 4h 20m |
| 2026-07-20 | CNV7712 | - | Jul 20, 23:55 UTC | Jul 21, 00:40 UTC | 45m |
| 2026-07-19 | CNV7267 | - | Jul 19, 03:10 UTC | Jul 19, 03:50 UTC | 40m |
| 2026-07-18 | CNV7267 | - | Jul 18, 04:45 UTC | Jul 19, 03:15 UTC | 22h 30m |
| 2026-07-17 | CNV7267 | - | Jul 17, 05:20 UTC | Jul 18, 05:15 UTC | 23h 56m |
| 2026-07-17 | CNV7267 | - | Jul 17, 03:20 UTC | Jul 17, 04:04 UTC | 45m |
| 2026-07-16 | CNV7267 | - | Jul 16, 07:20 UTC | Jul 17, 04:04 UTC | 20h 45m |
| 2026-07-16 | CNV7267 | - | Jul 16, 06:55 UTC | Jul 17, 04:04 UTC | 21h 10m |
| 2026-07-16 | CNV7267 | - | Jul 16, 02:30 UTC | Jul 16, 03:35 UTC | 1h 5m |
| 2026-07-15 | CNV7267 | - | Jul 15, 23:55 UTC | Jul 16, 01:00 UTC | 1h 5m |
| 2026-07-13 | CNV7760 | - | Jul 13, 03:30 UTC | Jul 13, 04:35 UTC | 1h 5m |
| 2026-07-12 | CNV7760 | - | Jul 12, 04:30 UTC | Jul 12, 05:01 UTC | 30m |
| 2026-07-12 | CNV7760 | - | Jul 12, 02:01 UTC | Jul 12, 03:05 UTC | 1h 5m |
| 2026-07-11 | CNV792 | - | Jul 11, 00:15 UTC | Jul 11, 01:25 UTC | 1h 10m |
| 2026-06-30 | CNV792 | - | Jun 30, 00:45 UTC | Jun 30, 01:45 UTC | 1h 1m |
| 2026-06-29 | CNV792 | - | Jun 29, 06:14 UTC | Jun 29, 07:30 UTC | 1h 15m |
| 2026-06-28 | CNV4351 | - | Jun 28, 02:49 UTC | Jun 28, 03:35 UTC | 45m |
| 2026-06-27 | CNV4351 | - | Jun 27, 18:35 UTC | Jun 28, 01:04 UTC | 6h 30m |
| 2026-06-26 | CNV4351 | - | Jun 26, 22:29 UTC | Jun 27, 01:24 UTC | 2h 55m |
| 2026-06-26 | CNV4351 | - | Jun 26, 15:45 UTC | Jun 26, 21:15 UTC | 5h 30m |
| 2026-06-15 | CNV4341 | - | Jun 15, 15:30 UTC | Jun 15, 16:59 UTC | 1h 30m |
| 2026-06-15 | CNV4341 | - | Jun 15, 08:20 UTC | Jun 15, 14:30 UTC | 6h 10m |
| 2026-06-14 | CNV4341 | - | Jun 14, 07:15 UTC | Jun 14, 13:20 UTC | 6h 5m |
| 2026-06-11 | CNV5409 | - | Jun 11, 12:30 UTC | Jun 11, 15:05 UTC | 2h 35m |
| 2026-06-10 | CNV5409 | - | Jun 10, 13:55 UTC | Jun 11, 13:15 UTC | 23h 20m |
| 2026-06-10 | CNV5409 | - | Jun 10, 08:20 UTC | Jun 10, 14:05 UTC | 5h 45m |
| 2026-06-09 | CNV5409 | - | Jun 9, 08:30 UTC | Jun 9, 15:35 UTC | 7h 5m |
| 2026-06-07 | CNV5404 | - | Jun 7, 14:25 UTC | Jun 7, 15:50 UTC | 1h 25m |
| 2026-06-07 | CNV5404 | - | Jun 7, 11:40 UTC | Jun 7, 13:25 UTC | 1h 45m |
| 2026-06-05 | CNV5404 | - | Jun 5, 09:30 UTC | Jun 5, 09:45 UTC | 15m |
| 2026-06-05 | CNV5404 | - | Jun 5, 06:00 UTC | Jun 5, 06:10 UTC | 10m |
| 2026-06-03 | CNV5404 | - | Jun 3, 07:25 UTC | Jun 3, 15:05 UTC | 7h 40m |
| 2026-05-31 | CNV5436 | - | May 31, 14:55 UTC | May 31, 15:45 UTC | 50m |
| 2026-05-30 | CNV5436 | - | May 30, 03:05 UTC | May 30, 04:30 UTC | 1h 25m |
| 2026-05-29 | CNV5436 | - | May 29, 10:35 UTC | May 29, 11:30 UTC | 55m |
| 2026-05-25 | CNV5424 | - | May 25, 06:45 UTC | May 25, 21:54 UTC | 15h 10m |
| 2026-05-23 | CNV5422 | - | May 23, 15:25 UTC | May 23, 16:05 UTC | 40m |
| 2026-05-22 | CNV5422 | - | May 22, 03:05 UTC | May 22, 04:35 UTC | 1h 30m |
| 2026-05-21 | CNV5422 | - | May 21, 10:45 UTC | May 21, 11:20 UTC | 35m |
| 2026-05-13 | - | - | May 13, 11:45 UTC | May 13, 13:20 UTC | 1h 35m |
| 2026-05-13 | - | - | May 13, 07:20 UTC | May 13, 08:25 UTC | 1h 5m |
| 2026-05-02 | - | - | May 2, 17:55 UTC | May 2, 18:10 UTC | 15m |
| 2026-05-01 | CNV5401 | - | May 1, 07:50 UTC | May 1, 08:45 UTC | 55m |
| 2026-04-29 | CNV6628 | - | Apr 29, 06:49 UTC | Apr 29, 14:45 UTC | 7h 56m |
| 2026-04-28 | CNV6628 | STR → BGO | Apr 28, 09:45 UTC | Apr 28, 11:40 UTC | 1h 55m |
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 169792 page for operator, model, and routing details .
Mode-S AE638D frequently asked
What is Mode-S code AE638D?
AE638D is an ICAO 24-bit transponder address. Assigned to 169792.
Is AE638D broadcasting right now?
No active broadcast right now. Last signal was Jul 24, 03:40 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AE638D, octal 53461615, decimal 11,428,749.