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Aircraft
HB-JOS
Common
- Mode S hex
- 4B1942
- Type
- Airbus A320A320
- Manufacturer
- Airbus
- Serial number
- 4391
- Year built
- 201016 years old
- Operator
- Chair Airlines (CSW)
- Country of registration
Switzerland
- First contact
- 13 Sept 2017, 13:06
- Last contact
- 12 Aug 2026, 11:37
- Logged visits
- 1,410
The station's story
- Cumulative contact time
- 176 h
- Distinct days
- 761
- Highest captured altitude
- 39,025 ft
- Discovery rank
- #25,498 of 57,244
- Longest contact
- 0 h 40 min
- Contacts on this Mode S address
- 1,453 contacts on the address, 1,410 under this registration: the address has carried several identities over time.
Same airframe, also seen as
- HZ-AS35from 7 Oct 2016 to 7 Oct 2016 · 2 contacts
These registrations share the same serial number and type according to the reference data. Serial numbers can collide, though: it is a deduction, not a certainty.
Observed callsigns
GSW (541 contacts, 2023-2025) · CSW (470 contacts, 2025-2026) · ENT (2 contacts, 2025)
Operator as per the registry of 12 Aug 2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| CSW1EP | LSZH > LEPA | 20 Jun 2025, 12:2320 Jun 2025 | 20 Jun 2025, 12:31 | 33,975 ft | 17 |
| CSW612 | LFSB > BKPR | 18 Jun 2025, 11:0218 Jun 2025 | 18 Jun 2025, 11:09 | 20,950 ft | 8 |
| CSW615 | BKPR > LFSB | 17 Jun 2025, 22:5617 Jun 2025 | 17 Jun 2025, 23:04 | 8,275 ft | 10 |
| not transmitted | route not resolved | 17 Jun 2025, 13:1317 Jun 2025 | 17 Jun 2025, 13:15 | 15,950 ft | no position received |
| CSW5612 | route not resolved | 17 Jun 2025, 11:5317 Jun 2025 | 17 Jun 2025, 12:11 | 8,050 ft | 772 |
| CSW1PM | LEPA > LSZH | 14 Jun 2025, 16:1814 Jun 2025 | 14 Jun 2025, 16:38 | 18,175 ft | 368 |
| CSW1EP | LSZH > LEPA | 14 Jun 2025, 12:0614 Jun 2025 | 14 Jun 2025, 12:26 | 33,000 ft | 1,206 |
| CSW1EP | LSZH > LEPA | 13 Jun 2025, 12:2013 Jun 2025 | 13 Jun 2025, 12:36 | 31,100 ft | 794 |
| CSW1PM | LEPA > LSZH | 12 Jun 2025, 15:3012 Jun 2025 | 12 Jun 2025, 15:36 | 27,775 ft | 9 |
| CSW1EP | LSZH > LEPA | 12 Jun 2025, 11:5412 Jun 2025 | 12 Jun 2025, 12:18 | 34,975 ft | 948 |
| CSW1PM | LEPA > LSZH | 11 Jun 2025, 15:2411 Jun 2025 | 11 Jun 2025, 15:44 | 17,700 ft | 360 |
| CSW1EP | LSZH > LEPA | 11 Jun 2025, 11:5511 Jun 2025 | 11 Jun 2025, 12:16 | 37,000 ft | 846 |
| not transmitted | route not resolved | 10 Jun 2025, 11:5610 Jun 2025 | 10 Jun 2025, 12:01 | 18,425 ft | 2 |
| CSW615 | BKPR > LFSB | 9 Jun 2025, 22:189 Jun 2025 | 9 Jun 2025, 22:20 | 15,425 ft | 10 |
| CSW610 | LFSB > BKPR | 9 Jun 2025, 06:129 Jun 2025 | 9 Jun 2025, 06:17 | 14,800 ft | 125 |
| CSW615 | BKPR > LFSB | 8 Jun 2025, 21:398 Jun 2025 | 8 Jun 2025, 21:46 | 11,025 ft | 7 |
| not transmitted | route not resolved | 8 Jun 2025, 15:498 Jun 2025 | 8 Jun 2025, 15:51 | 32,325 ft | no position received |
| CSW1EP | LSZH > LEPA | 8 Jun 2025, 11:598 Jun 2025 | 8 Jun 2025, 12:19 | 33,000 ft | 905 |
| not transmitted | route not resolved | 7 Jun 2025, 16:007 Jun 2025 | 7 Jun 2025, 16:02 | 33,650 ft | no position received |
| CSW1EP | LSZH > LEPA | 7 Jun 2025, 12:067 Jun 2025 | 7 Jun 2025, 12:13 | 33,000 ft | 24 |
| CSW1PM | LEPA > LSZH | 6 Jun 2025, 15:436 Jun 2025 | 6 Jun 2025, 15:49 | 29,650 ft | 7 |
| CSW1EP | LSZH > LEPA | 6 Jun 2025, 12:006 Jun 2025 | 6 Jun 2025, 12:23 | 33,000 ft | 1,292 |
| not transmitted | route not resolved | 5 Jun 2025, 15:345 Jun 2025 | 5 Jun 2025, 15:35 | 31,925 ft | no position received |
| CSW1EP | LSZH > LEPA | 5 Jun 2025, 11:575 Jun 2025 | 5 Jun 2025, 12:19 | 35,000 ft | 1,207 |
| CSW1PM | LEPA > LSZH | 4 Jun 2025, 15:464 Jun 2025 | 4 Jun 2025, 16:05 | 17,550 ft | 449 |
