sensors Mode-S transponder
AB5FC9
ICAO 24-bit transponder address · allocated to United States
Currently assigned to N832AA · BOEING 787-9 Dreamliner · operated by AMERICAN AIRLINES INC
- Hex
- AB5FC9
- Octal
- 52657711
- Decimal
- 11,231,177
- Country
- US
- Tail
- N832AA
- Type
- B789
- Flights observed
- 205
- Distinct callsigns
- 20
- Country
- US
- Last broadcast
- 5h ago
Current position
Country allocation
The ICAO 24-bit address AB5FC9 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 20 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| AAL128 | - | 32 | 2026-07-08 |
| AAL127 | American Airlines | 31 | 2026-07-07 |
| AAL963 | - | 9 | 2026-07-09 |
| AAL293 | American Airlines | 9 | 2026-06-01 |
| AAL280 | American Airlines | 9 | 2026-07-02 |
| AAL168 | - | 8 | 2026-07-14 |
| AAL281 | - | 7 | 2026-07-01 |
| AAL950 | - | 6 | 2026-07-10 |
| AAL292 | American Airlines | 6 | 2026-04-16 |
| AAL27 | - | 6 | 2026-07-13 |
| AAL170 | - | 6 | 2026-07-13 |
| AAL962 | - | 5 | 2026-07-01 |
| AAL719 | American Airlines | 5 | 2026-06-08 |
| AAL236 | American Airlines | 5 | 2026-06-08 |
| AAL204 | American Airlines | 5 | 2026-05-06 |
| AAL747 | American Airlines | 4 | 2026-06-10 |
| AAL746 | American Airlines | 4 | 2026-06-09 |
| AAL26 | - | 4 | 2026-07-11 |
| AAL203 | American Airlines | 4 | 2026-05-07 |
| AAL169 | - | 4 | 2026-07-12 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-14 | AAL168 | - | Jul 14, 09:20 UTC | Jul 14, 10:00 UTC | 40m |
| 2026-07-13 | AAL27 | - | Jul 13, 20:00 UTC | Jul 14, 06:30 UTC | 10h 30m |
| 2026-07-13 | AAL170 | HND → LAX | Jul 13, 03:42 UTC | Jul 13, 13:36 UTC | 9h 54m |
| 2026-07-13 | AAL170 | - | Jul 13, 03:45 UTC | Jul 13, 04:25 UTC | 40m |
| 2026-07-12 | AAL169 | - | Jul 12, 08:40 UTC | Jul 12, 19:05 UTC | 10h 25m |
| 2026-07-11 | AAL26 | - | Jul 11, 11:05 UTC | Jul 11, 21:05 UTC | 10h 0m |
| 2026-07-10 | AAL167 | JFK → HND | Jul 10, 14:50 UTC | Jul 11, 03:55 UTC | 13h 5m |
| 2026-07-10 | AAL950 | - | Jul 10, 01:40 UTC | Jul 10, 02:15 UTC | 35m |
| 2026-07-10 | AAL950 | GRU → JFK | Jul 10, 01:39 UTC | Jul 10, 10:50 UTC | 9h 11m |
| 2026-07-09 | AAL963 | - | Jul 9, 02:40 UTC | Jul 9, 11:45 UTC | 9h 5m |
| 2026-07-08 | AAL128 | PVG → DFW | Jul 8, 09:35 UTC | Jul 8, 22:26 UTC | 12h 51m |
| 2026-07-07 | AAL127 | DFW → PVG | Jul 7, 16:18 UTC | Jul 8, 07:00 UTC | 14h 42m |
| 2026-07-07 | AAL127 | DFW → PVG | Jul 7, 16:20 UTC | Jul 7, 19:35 UTC | 3h 15m |
| 2026-07-04 | AAL128D | - | Jul 4, 08:25 UTC | Jul 4, 20:15 UTC | 11h 50m |
| 2026-07-03 | AAL128D | - | Jul 3, 14:20 UTC | Jul 4, 10:00 UTC | 19h 40m |
| 2026-07-03 | AAL127D | DFW → PVG | Jul 3, 12:20 UTC | Jul 4, 10:00 UTC | 21h 40m |
| 2026-07-03 | AAL127D | DFW → PVG | Jul 3, 12:10 UTC | Jul 4, 10:00 UTC | 21h 50m |
| 2026-07-02 | AAL127D | DFW → PVG | Jul 2, 23:55 UTC | Jul 3, 14:20 UTC | 14h 25m |
| 2026-07-02 | AAL280 | ICN → DFW | Jul 2, 08:55 UTC | Jul 2, 21:05 UTC | 12h 10m |
| 2026-07-01 | AAL281 | DFW → ICN | Jul 1, 16:20 UTC | Jul 2, 05:55 UTC | 13h 35m |
| 2026-07-01 | AAL962 | - | Jul 1, 01:20 UTC | Jul 1, 11:10 UTC | 9h 50m |
| 2026-06-30 | AAL963 | DFW → GRU | Jun 30, 03:16 UTC | Jun 30, 12:26 UTC | 9h 10m |
| 2026-06-30 | AAL963 | - | Jun 30, 03:20 UTC | Jun 30, 12:20 UTC | 9h 0m |
| 2026-06-29 | AAL128 | PVG → DFW | Jun 29, 09:33 UTC | Jun 29, 22:13 UTC | 12h 40m |
| 2026-06-29 | AAL128 | - | Jun 29, 03:34 UTC | Jun 29, 22:10 UTC | 18h 35m |
| 2026-06-28 | AAL128 | - | Jun 28, 22:59 UTC | Jun 29, 22:10 UTC | 23h 10m |
| 2026-06-28 | AAL127 | DFW → PVG | Jun 28, 16:19 UTC | Jun 29, 11:55 UTC | 19h 35m |
| 2026-06-28 | AAL127 | DFW → PVG | Jun 28, 16:03 UTC | Jun 29, 06:49 UTC | 14h 46m |
| 2026-06-28 | AAL127 | DFW → PVG | Jun 28, 16:05 UTC | Jun 29, 05:34 UTC | 13h 30m |
| 2026-06-27 | AAL128 | PVG → DFW | Jun 27, 09:44 UTC | Jun 27, 22:10 UTC | 12h 26m |
| 2026-06-27 | AAL128 | PVG → DFW | Jun 27, 09:44 UTC | Jun 27, 22:39 UTC | 12h 55m |
| 2026-06-26 | AAL127 | DFW → PVG | Jun 26, 16:05 UTC | Jun 27, 05:49 UTC | 13h 45m |
| 2026-06-25 | AAL128 | PVG → DFW | Jun 25, 09:34 UTC | Jun 25, 22:07 UTC | 12h 33m |
| 2026-06-24 | AAL128 | - | Jun 24, 22:19 UTC | Jun 25, 22:04 UTC | 23h 45m |
| 2026-06-24 | AAL127 | DFW → PVG | Jun 24, 20:20 UTC | Jun 25, 20:14 UTC | 23h 55m |
| 2026-06-24 | AAL127 | DFW → PVG | Jun 24, 16:19 UTC | Jun 25, 11:54 UTC | 19h 35m |
| 2026-06-23 | AAL128 | PVG → DFW | Jun 23, 09:28 UTC | Jun 23, 22:31 UTC | 13h 3m |
| 2026-06-22 | AAL128 | - | Jun 22, 22:19 UTC | Jun 23, 22:15 UTC | 23h 55m |
| 2026-06-22 | AAL127 | DFW → PVG | Jun 22, 20:19 UTC | Jun 23, 20:15 UTC | 23h 55m |
| 2026-06-22 | AAL127 | DFW → PVG | Jun 22, 16:40 UTC | Jun 23, 11:54 UTC | 19h 15m |
| 2026-06-21 | AAL128 | PVG → DFW | Jun 21, 09:31 UTC | Jun 21, 22:18 UTC | 12h 47m |
| 2026-06-21 | AAL128 | - | Jun 21, 03:59 UTC | Jun 21, 22:20 UTC | 18h 20m |
| 2026-06-20 | AAL128 | - | Jun 20, 22:20 UTC | Jun 21, 22:15 UTC | 23h 55m |
| 2026-06-20 | AAL127 | DFW → PVG | Jun 20, 16:19 UTC | Jun 21, 11:55 UTC | 19h 35m |
| 2026-06-19 | AAL128 | - | Jun 19, 05:45 UTC | Jun 19, 23:44 UTC | 18h 0m |
| 2026-06-19 | AAL128 | - | Jun 19, 00:20 UTC | Jun 19, 23:44 UTC | 23h 25m |
| 2026-06-18 | AAL128 | - | Jun 18, 22:20 UTC | Jun 19, 22:14 UTC | 23h 54m |
| 2026-06-18 | AAL127 | DFW → PVG | Jun 18, 20:20 UTC | Jun 19, 20:09 UTC | 23h 49m |
| 2026-06-18 | AAL127 | DFW → PVG | Jun 18, 18:20 UTC | Jun 19, 18:14 UTC | 23h 54m |
| 2026-06-18 | AAL127 | DFW → PVG | Jun 18, 17:30 UTC | Jun 19, 13:04 UTC | 19h 34m |
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 N832AA page for operator, model, and routing details .