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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
- #25,495 of 57,190
- 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 |
|---|---|---|---|---|---|
| CSW610 | LFSB > BKPR | 6 Aug 2025, 06:166 Aug 2025 | 6 Aug 2025, 06:22 | 17,475 ft | 56 |
| CSW615 | BKPR > LFSB | 5 Aug 2025, 22:585 Aug 2025 | 5 Aug 2025, 23:04 | 8,975 ft | 37 |
| not transmitted | route not resolved | 5 Aug 2025, 18:415 Aug 2025 | 5 Aug 2025, 18:42 | 21,425 ft | 4 |
| CSW612 | LFSB > BKPR | 5 Aug 2025, 12:455 Aug 2025 | 5 Aug 2025, 12:48 | 18,650 ft | 9 |
| not transmitted | route not resolved | 5 Aug 2025, 10:575 Aug 2025 | 5 Aug 2025, 10:58 | 14,675 ft | no position received |
| CSW610 | LFSB > BKPR | 5 Aug 2025, 06:275 Aug 2025 | 5 Aug 2025, 06:29 | 16,500 ft | 19 |
| CSW615 | BKPR > LFSB | 4 Aug 2025, 23:244 Aug 2025 | 4 Aug 2025, 23:32 | 10,275 ft | 20 |
| not transmitted | route not resolved | 4 Aug 2025, 12:354 Aug 2025 | 4 Aug 2025, 12:40 | 15,500 ft | no position received |
| not transmitted | route not resolved | 4 Aug 2025, 10:514 Aug 2025 | 4 Aug 2025, 10:51 | 10,100 ft | no position received |
| CSW610 | LFSB > BKPR | 4 Aug 2025, 06:254 Aug 2025 | 4 Aug 2025, 06:31 | 18,850 ft | 13 |
| not transmitted | route not resolved | 3 Aug 2025, 22:113 Aug 2025 | 3 Aug 2025, 22:11 | 14,825 ft | no position received |
| CSW1PM | LEPA > LSZH | 3 Aug 2025, 15:473 Aug 2025 | 3 Aug 2025, 16:03 | 16,400 ft | 629 |
| CSW1EP | LSZH > LEPA | 3 Aug 2025, 12:093 Aug 2025 | 3 Aug 2025, 12:26 | 35,000 ft | 957 |
| CSW1PR | BKPR > LSZH | 3 Aug 2025, 10:353 Aug 2025 | 3 Aug 2025, 10:47 | 11,600 ft | 71 |
| CSW1PM | LEPA > LSZH | 2 Aug 2025, 15:442 Aug 2025 | 2 Aug 2025, 16:03 | 20,975 ft | 416 |
| CSW1EP | LSZH > LEPA | 2 Aug 2025, 12:112 Aug 2025 | 2 Aug 2025, 12:31 | 36,900 ft | 815 |
| CSW610 | LFSB > BKPR | 2 Aug 2025, 06:182 Aug 2025 | 2 Aug 2025, 06:21 | 15,175 ft | 132 |
| CSW615 | BKPR > LFSB | 1 Aug 2025, 21:491 Aug 2025 | 1 Aug 2025, 21:56 | 11,050 ft | 37 |
| CSW1PM | LEPA > LSZH | 31 Jul 2025, 15:4731 Jul 2025 | 31 Jul 2025, 16:09 | 17,700 ft | 524 |
| CSW1EP | LSZH > LEPA | 31 Jul 2025, 11:5431 Jul 2025 | 31 Jul 2025, 12:25 | 36,975 ft | 1,392 |
| not transmitted | route not resolved | 30 Jul 2025, 12:0030 Jul 2025 | 30 Jul 2025, 12:01 | 17,350 ft | no position received |
| CSW611 | BKPR > LFSB | 30 Jul 2025, 10:2830 Jul 2025 | 30 Jul 2025, 10:32 | 18,800 ft | 1 |
| not transmitted | route not resolved | 29 Jul 2025, 15:4529 Jul 2025 | 29 Jul 2025, 15:47 | 32,175 ft | 2 |
| CSW1EP | LSZH > LEPA | 29 Jul 2025, 12:0229 Jul 2025 | 29 Jul 2025, 12:08 | 29,700 ft | 10 |
| not transmitted | route not resolved | 28 Jul 2025, 16:0928 Jul 2025 | 28 Jul 2025, 16:10 | 31,100 ft | 3 |
