sensors Mode-S transponder
00B1F4
ICAO 24-bit transponder address · allocated to South Africa
Currently assigned to ZS-SXF · AIRBUS A-340-300
- Hex
- 00B1F4
- Octal
- 00130764
- Decimal
- 45,556
- Country
- ZA
- Tail
- ZS-SXF
- Type
- A343
- Flights observed
- 102
- Distinct callsigns
- 7
- Country
- ZA
- Last broadcast
- 6h ago
Last known position
Country allocation
The ICAO 24-bit address 00B1F4 falls within the block assigned to South Africa (ZA) by ICAO Annex 10, Volume III. Every aircraft registered in South Africa 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 7 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| SAA280 | - | 47 | 2026-07-12 |
| SAA281 | - | 34 | 2026-07-13 |
| SAA060 | South African Airways | 10 | 2026-06-25 |
| SAA191 | - | 5 | 2026-07-12 |
| SAA061 | South African Airways | 3 | 2026-04-20 |
| SAA9280 | South African Airways | 2 | 2026-04-20 |
| SAA9281 | - | 1 | 2026-06-21 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-13 | SAA281 | - | Jul 13, 15:55 UTC | Jul 14, 02:35 UTC | 10h 40m |
| 2026-07-12 | SAA280 | - | Jul 12, 19:25 UTC | Jul 13, 04:05 UTC | 8h 40m |
| 2026-07-12 | SAA191 | - | Jul 12, 08:15 UTC | Jul 12, 17:45 UTC | 9h 30m |
| 2026-07-10 | SAA281 | PER → JNB | Jul 10, 15:55 UTC | Jul 11, 02:30 UTC | 10h 35m |
| 2026-07-09 | SAA280 | - | Jul 9, 19:15 UTC | Jul 10, 04:10 UTC | 8h 55m |
| 2026-07-09 | SAA191 | - | Jul 9, 07:55 UTC | Jul 9, 16:40 UTC | 8h 45m |
| 2026-07-08 | SAA281 | PER → JNB | Jul 8, 15:55 UTC | Jul 9, 02:55 UTC | 11h 0m |
| 2026-07-07 | SAA280 | JNB → PER | Jul 7, 19:05 UTC | Jul 8, 04:05 UTC | 9h 0m |
| 2026-07-06 | SAA281 | - | Jul 6, 15:55 UTC | Jul 7, 02:55 UTC | 11h 0m |
| 2026-07-05 | SAA280 | JNB → PER | Jul 5, 19:00 UTC | Jul 6, 03:30 UTC | 8h 30m |
| 2026-07-05 | SAA191 | - | Jul 5, 08:10 UTC | Jul 5, 17:00 UTC | 8h 50m |
| 2026-07-03 | SAA281 | - | Jul 3, 15:55 UTC | Jul 4, 03:20 UTC | 11h 25m |
| 2026-07-03 | SAA280 | JNB → PER | Jul 3, 02:55 UTC | Jul 3, 03:40 UTC | 45m |
| 2026-07-02 | SAA280 | JNB → PER | Jul 2, 19:10 UTC | Jul 2, 19:20 UTC | 10m |
| 2026-07-01 | SAA281 | PER → JNB | Jul 1, 16:15 UTC | Jul 2, 03:30 UTC | 11h 15m |
| 2026-06-30 | SAA280 | JNB → PER | Jun 30, 19:00 UTC | Jul 1, 03:55 UTC | 8h 55m |
| 2026-06-29 | SAA281 | - | Jun 29, 16:00 UTC | Jun 30, 02:25 UTC | 10h 26m |
| 2026-06-29 | SAA280 | JNB → PER | Jun 29, 03:14 UTC | Jun 29, 03:54 UTC | 40m |
| 2026-06-28 | SAA280 | JNB → PER | Jun 28, 19:09 UTC | Jun 28, 19:25 UTC | 15m |
| 2026-06-28 | SAA191 | - | Jun 28, 07:50 UTC | Jun 28, 17:04 UTC | 9h 15m |
| 2026-06-26 | SAA191 | - | Jun 26, 08:05 UTC | Jun 26, 16:54 UTC | 8h 50m |
| 2026-06-25 | SAA060 | JNB → LOS | Jun 25, 13:35 UTC | Jun 26, 02:14 UTC | 12h 40m |
| 2026-06-24 | SAA281 | PER → JNB | Jun 24, 15:59 UTC | Jun 25, 02:14 UTC | 10h 15m |
| 2026-06-23 | SAA280 | JNB → PER | Jun 23, 19:04 UTC | Jun 24, 03:44 UTC | 8h 40m |
| 2026-06-22 | SAA281 | - | Jun 22, 15:50 UTC | Jun 23, 02:29 UTC | 10h 40m |
| 2026-06-21 | SAA280 | JNB → PER | Jun 21, 19:05 UTC | Jun 22, 04:15 UTC | 9h 10m |
| 2026-06-21 | SAA9281 | - | Jun 21, 06:14 UTC | Jun 21, 16:59 UTC | 10h 45m |
| 2026-06-20 | SAA280 | JNB → PER | Jun 20, 19:15 UTC | Jun 21, 04:10 UTC | 8h 55m |
| 2026-06-18 | SAA060 | JNB → LOS | Jun 18, 13:20 UTC | Jun 19, 02:14 UTC | 12h 54m |
| 2026-06-17 | SAA281 | PER → JNB | Jun 17, 15:55 UTC | Jun 18, 02:55 UTC | 11h 0m |
| 2026-06-17 | SAA280 | JNB → PER | Jun 17, 02:55 UTC | Jun 17, 03:35 UTC | 40m |
| 2026-06-16 | SAA280 | JNB → PER | Jun 16, 19:05 UTC | Jun 16, 19:19 UTC | 15m |
| 2026-06-15 | SAA281 | - | Jun 15, 15:59 UTC | Jun 16, 03:15 UTC | 11h 15m |
| 2026-06-14 | SAA280 | JNB → PER | Jun 14, 19:15 UTC | Jun 15, 04:00 UTC | 8h 45m |
| 2026-06-12 | SAA281 | PER → JNB | Jun 12, 16:05 UTC | Jun 13, 03:10 UTC | 11h 5m |
| 2026-06-11 | SAA280 | JNB → PER | Jun 11, 19:10 UTC | Jun 12, 04:25 UTC | 9h 16m |
| 2026-06-10 | SAA281 | PER → JNB | Jun 10, 16:00 UTC | Jun 11, 02:40 UTC | 10h 40m |
| 2026-06-10 | SAA280 | JNB → PER | Jun 10, 03:50 UTC | Jun 10, 04:30 UTC | 40m |
| 2026-06-09 | SAA280 | JNB → PER | Jun 9, 19:35 UTC | Jun 9, 19:45 UTC | 10m |
| 2026-06-08 | SAA281 | PER → JNB | Jun 8, 15:45 UTC | Jun 9, 02:15 UTC | 10h 30m |
| 2026-06-07 | SAA280 | JNB → PER | Jun 7, 19:20 UTC | Jun 8, 04:35 UTC | 9h 15m |
| 2026-06-04 | SAA060 | JNB → LOS | Jun 4, 13:35 UTC | Jun 5, 02:45 UTC | 13h 10m |
| 2026-06-02 | SAA281 | PER → JNB | Jun 2, 16:00 UTC | Jun 3, 02:35 UTC | 10h 35m |
| 2026-06-01 | SAA280 | JNB → PER | Jun 1, 19:10 UTC | Jun 2, 04:45 UTC | 9h 35m |
| 2026-05-31 | SAA281 | PER → JNB | May 31, 15:55 UTC | Jun 1, 02:50 UTC | 10h 55m |
| 2026-05-30 | SAA280 | JNB → PER | May 30, 19:15 UTC | May 30, 19:30 UTC | 15m |
| 2026-05-29 | SAA281 | PER → JNB | May 29, 15:55 UTC | May 30, 02:55 UTC | 11h 0m |
| 2026-05-29 | SAA280 | JNB → PER | May 29, 03:55 UTC | May 29, 04:30 UTC | 35m |
| 2026-05-28 | SAA280 | JNB → PER | May 28, 19:25 UTC | May 28, 19:45 UTC | 20m |
| 2026-05-27 | SAA281 | PER → JNB | May 27, 16:00 UTC | May 28, 02:50 UTC | 10h 50m |
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 ZS-SXF page for operator, model, and routing details .