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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
- #25,501 of 57,300
- 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 |
|---|---|---|---|---|---|
| CSW615 | BKPR > LFSB | 31 Aug 2025, 22:2231 Aug 2025 | 31 Aug 2025, 22:23 | 15,575 ft | 7 |
| CSW1PM | LEPA > LSZH | 31 Aug 2025, 15:3531 Aug 2025 | 31 Aug 2025, 16:00 | 11,850 ft | 176 |
| CSW1EP | LSZH > LEPA | 31 Aug 2025, 12:0831 Aug 2025 | 31 Aug 2025, 12:30 | 37,000 ft | 951 |
| CSW1PM | LEPA > LSZH | 30 Aug 2025, 16:1730 Aug 2025 | 30 Aug 2025, 16:18 | 31,425 ft | no position received |
| CSW1EP | LSZH > LEPA | 30 Aug 2025, 12:0830 Aug 2025 | 30 Aug 2025, 12:28 | 33,000 ft | 1,108 |
| CSW612 | LFSB > BKPR | 29 Aug 2025, 11:4329 Aug 2025 | 29 Aug 2025, 11:45 | 23,825 ft | 4 |
| not transmitted | route not resolved | 29 Aug 2025, 10:2029 Aug 2025 | 29 Aug 2025, 10:25 | 11,300 ft | 1 |
| CSW1PM | LEPA > LSZH | 28 Aug 2025, 16:1328 Aug 2025 | 28 Aug 2025, 16:32 | 12,200 ft | 442 |
| CSW1EP | LSZH > LEPA | 28 Aug 2025, 12:4328 Aug 2025 | 28 Aug 2025, 12:49 | 31,000 ft | 20 |
| not transmitted | route not resolved | 27 Aug 2025, 16:3527 Aug 2025 | 27 Aug 2025, 16:35 | 31,075 ft | no position received |
| not transmitted | route not resolved | 27 Aug 2025, 12:5227 Aug 2025 | 27 Aug 2025, 12:58 | 31,925 ft | 3 |
| not transmitted | route not resolved | 26 Aug 2025, 16:0326 Aug 2025 | 26 Aug 2025, 16:03 | 31,825 ft | no position received |
| CSW1PM | LEPA > LSZH | 25 Aug 2025, 15:3125 Aug 2025 | 25 Aug 2025, 15:50 | 16,100 ft | 492 |
| CSW1EP | LSZH > LEPA | 25 Aug 2025, 12:1125 Aug 2025 | 25 Aug 2025, 12:34 | 35,550 ft | 1,145 |
| CSW612 | LFSB > BKPR | 24 Aug 2025, 10:1424 Aug 2025 | 24 Aug 2025, 10:19 | 19,375 ft | 2 |
| CSW615 | BKPR > LFSB | 23 Aug 2025, 23:0423 Aug 2025 | 23 Aug 2025, 23:10 | 11,675 ft | 32 |
| CSW612 | LFSB > BKPR | 23 Aug 2025, 12:4023 Aug 2025 | 23 Aug 2025, 12:46 | 19,025 ft | 61 |
| not transmitted | route not resolved | 23 Aug 2025, 11:1323 Aug 2025 | 23 Aug 2025, 11:14 | 8,525 ft | no position received |
| not transmitted | route not resolved | 22 Aug 2025, 16:0122 Aug 2025 | 22 Aug 2025, 16:05 | 29,200 ft | 10 |
| CSW1EP | LSZH > LEPA | 22 Aug 2025, 12:2322 Aug 2025 | 22 Aug 2025, 12:45 | 37,025 ft | 1,321 |
| CSW5610 | route not resolved | 22 Aug 2025, 06:1822 Aug 2025 | 22 Aug 2025, 06:27 | 22,600 ft | 218 |
| CSW615 | BKPR > LFSB | 21 Aug 2025, 22:4521 Aug 2025 | 21 Aug 2025, 22:51 | 12,250 ft | 26 |
| CSW612 | LFSB > BKPR | 21 Aug 2025, 11:5821 Aug 2025 | 21 Aug 2025, 12:05 | 24,225 ft | 41 |
| not transmitted | route not resolved | 21 Aug 2025, 10:3421 Aug 2025 | 21 Aug 2025, 10:35 | 18,275 ft | 1 |
| CSW5610 | route not resolved | 21 Aug 2025, 06:3221 Aug 2025 | 21 Aug 2025, 06:38 | 21,625 ft | 30 |
