sensors Mode-S transponder
00B031
ICAO 24-bit transponder address · allocated to South Africa
Currently assigned to ZS-SFW · EUROCOPTER BK117 C-1/2
- Hex
- 00B031
- Octal
- 00130061
- Decimal
- 45,105
- Country
- ZA
- Tail
- ZS-SFW
- Type
- BK17
- Flights observed
- 57
- Distinct callsigns
- 20
- Country
- ZA
- Last broadcast
- 13h ago
Last known position
Country allocation
The ICAO 24-bit address 00B031 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 20 distinct
| Callsign | Airline | Flights | Last seen |
|---|---|---|---|
| LNK921L | Airlink | 5 | 2026-05-27 |
| LNK277B | Airlink | 5 | 2026-05-23 |
| LNK253F | Airlink | 4 | 2026-05-29 |
| LNK693D | Airlink | 3 | 2026-05-22 |
| LNK651R | Airlink | 3 | 2026-05-27 |
| LNK111M | Airlink | 3 | 2026-05-28 |
| LNK109K | Airlink | 3 | 2026-05-27 |
| LNK862P | Airlink | 2 | 2026-04-15 |
| LNK552N | Airlink | 2 | 2026-04-22 |
| LNK181T | Airlink | 2 | 2026-05-27 |
| LNK180S | Airlink | 2 | 2026-05-27 |
| LNK141A | Airlink | 2 | 2026-04-21 |
| LNK107B | Airlink | 2 | 2026-05-28 |
| LNK106H | Airlink | 2 | 2026-04-27 |
| LNK744H | Airlink | 1 | 2026-04-19 |
| LNK730D | - | 1 | 2026-04-20 |
| LNK728Y | - | 1 | 2026-05-26 |
| LNK694E | Airlink | 1 | 2026-05-23 |
| LNK569Q | Airlink | 1 | 2026-04-26 |
| LNK555A | Airlink | 1 | 2026-04-24 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-05-29 | LNK253F | TNR → JNB | May 29, 09:40 UTC | May 29, 16:05 UTC | 6h 25m |
| 2026-05-28 | LNK107B | HRE → JNB | May 28, 13:25 UTC | May 28, 16:50 UTC | 3h 25m |
| 2026-05-28 | LNK111M | BUQ → JNB | May 28, 09:05 UTC | May 28, 11:55 UTC | 2h 50m |
| 2026-05-27 | LNK109K | HRE → JNB | May 27, 17:00 UTC | May 28, 06:50 UTC | 13h 50m |
| 2026-05-27 | LNK181T | GBE → JNB | May 27, 15:15 UTC | May 27, 15:40 UTC | 25m |
| 2026-05-27 | LNK180S | JNB → GBE | May 27, 13:40 UTC | May 27, 14:05 UTC | 25m |
| 2026-05-27 | LNK651R | CPT → SZK | May 27, 08:55 UTC | May 27, 12:20 UTC | 3h 25m |
| 2026-05-27 | LNK921L | JNB → CPT | May 27, 05:49 UTC | May 27, 07:50 UTC | 2h 1m |
| 2026-05-26 | LNK728Y | - | May 26, 14:55 UTC | May 26, 17:09 UTC | 2h 15m |
| 2026-05-26 | LNK125S | WDH → JNB | May 26, 09:04 UTC | May 26, 13:40 UTC | 4h 35m |
| 2026-05-23 | LNK694E | GRJ → JNB | May 23, 10:20 UTC | May 23, 14:35 UTC | 4h 15m |
| 2026-05-23 | LNK277B | MPM → JNB | May 23, 06:15 UTC | May 23, 08:50 UTC | 2h 35m |
| 2026-05-22 | LNK693D | JNB → GRJ | May 22, 10:15 UTC | May 22, 13:55 UTC | 3h 40m |
| 2026-05-22 | LNK277B | MPM → JNB | May 22, 06:10 UTC | May 22, 08:55 UTC | 2h 45m |
| 2026-05-21 | LNK693D | JNB → GRJ | May 21, 11:15 UTC | May 21, 15:20 UTC | 4h 5m |
| 2026-05-21 | LNK277B | MPM → JNB | May 21, 07:20 UTC | May 21, 09:50 UTC | 2h 30m |
| 2026-04-27 | LNK106H | JNB → HRE | Apr 27, 13:15 UTC | Apr 27, 17:00 UTC | 3h 45m |
| 2026-04-27 | LNK111M | BUQ → JNB | Apr 27, 09:05 UTC | Apr 27, 12:00 UTC | 2h 55m |
| 2026-04-26 | LNK569Q | JNB → DUR | Apr 26, 16:50 UTC | Apr 27, 06:00 UTC | 13h 10m |
| 2026-04-26 | LNK163H | LUN → JNB | Apr 26, 10:05 UTC | Apr 26, 14:30 UTC | 4h 25m |
| 2026-04-25 | LNK253F | TNR → JNB | Apr 25, 08:20 UTC | Apr 25, 15:00 UTC | 6h 40m |
| 2026-04-24 | LNK555A | JNB → DUR | Apr 24, 13:35 UTC | Apr 24, 16:05 UTC | 2h 30m |
| 2026-04-24 | LNK493H | VFA → JNB | Apr 24, 08:20 UTC | Apr 24, 11:50 UTC | 3h 30m |
| 2026-04-23 | LNK102D | JNB → HRE | Apr 23, 14:30 UTC | Apr 23, 18:05 UTC | 3h 35m |
| 2026-04-23 | LNK483A | LVI → JNB | Apr 23, 09:15 UTC | Apr 23, 12:55 UTC | 3h 40m |
| 2026-04-22 | LNK552N | DUR → JNB | Apr 22, 16:55 UTC | Apr 23, 06:01 UTC | 13h 5m |
| 2026-04-22 | LNK300R | JNB → MUB | Apr 22, 10:25 UTC | Apr 22, 13:45 UTC | 3h 20m |
| 2026-04-22 | LNK120P | JNB → WDH | Apr 22, 04:45 UTC | Apr 22, 08:50 UTC | 4h 5m |
| 2026-04-21 | LNK141A | JNB → WVB | Apr 21, 08:40 UTC | Apr 21, 13:35 UTC | 4h 55m |
| 2026-04-20 | LNK730D | - | Apr 20, 16:30 UTC | Apr 21, 06:10 UTC | 13h 40m |
| 2026-04-20 | LNK253F | TNR → JNB | Apr 20, 08:35 UTC | Apr 20, 15:25 UTC | 6h 50m |
| 2026-04-19 | LNK744H | PZB → JNB | Apr 19, 15:10 UTC | Apr 19, 17:50 UTC | 2h 40m |
| 2026-04-19 | LNK141A | JNB → WVB | Apr 19, 08:50 UTC | Apr 19, 13:50 UTC | 5h 0m |
| 2026-04-18 | LNK693D | JNB → GRJ | Apr 18, 10:10 UTC | Apr 18, 14:15 UTC | 4h 5m |
| 2026-04-18 | LNK277B | MPM → JNB | Apr 18, 08:10 UTC | Apr 18, 08:40 UTC | 30m |
| 2026-04-18 | LNK277B | MPM → JNB | Apr 18, 06:15 UTC | Apr 18, 08:40 UTC | 2h 25m |
| 2026-04-17 | LNK253F | - | Apr 17, 14:35 UTC | Apr 17, 15:00 UTC | 24m |
| 2026-04-17 | LNK252E | JNB → TNR | Apr 17, 08:15 UTC | Apr 17, 08:40 UTC | 25m |
| 2026-04-16 | LNK022B | - | Apr 16, 14:00 UTC | Apr 16, 14:35 UTC | 35m |
| 2026-04-16 | LNK021A | JNB → FBM | Apr 16, 09:19 UTC | Apr 16, 09:50 UTC | 30m |
| 2026-04-16 | LNK109K | HRE → JNB | Apr 16, 07:09 UTC | Apr 16, 07:24 UTC | 15m |
| 2026-04-16 | LNK109K | HRE → JNB | Apr 16, 06:49 UTC | Apr 16, 07:05 UTC | 15m |
| 2026-04-15 | LNK108J | JNB → HRE | Apr 15, 17:30 UTC | Apr 15, 17:55 UTC | 25m |
| 2026-04-15 | LNK181T | - | Apr 15, 15:05 UTC | Apr 15, 15:25 UTC | 20m |
| 2026-04-15 | LNK180S | - | Apr 15, 13:30 UTC | Apr 15, 13:55 UTC | 25m |
| 2026-04-15 | LNK862P | SZK → JNB | Apr 15, 12:05 UTC | Apr 15, 12:35 UTC | 30m |
| 2026-04-15 | LNK651R | CPT → SZK | Apr 15, 09:00 UTC | Apr 15, 10:40 UTC | 1h 40m |
| 2026-04-15 | LNK921L | JNB → CPT | Apr 15, 07:25 UTC | Apr 15, 07:35 UTC | 10m |
| 2026-04-15 | LNK921L | JNB → CPT | Apr 15, 05:50 UTC | Apr 15, 06:10 UTC | 20m |
| 2026-04-14 | LNK862P | SZK → JNB | Apr 14, 10:50 UTC | Apr 14, 12:40 UTC | 1h 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-SFW page for operator, model, and routing details .