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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
- 24 Sept 2026, 13:06
- Logged visits
- 1,468
The station's story
- Cumulative contact time
- 183 h
- Distinct days
- 787
- Highest captured altitude
- 39,025 ft
- Discovery rank
- #25,567 of 60,088
- Longest contact
- 0 h 40 min
- Contacts on this Mode S address
- 1,511 contacts on the address, 1,468 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 (511 contacts, 2025-2026) · ENT (2 contacts, 2025)
Operator as per the registry of 21 Sept 2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| CSW1EP | LSZH > LEPA | 24 Sept 2026, 12:4824 Sept 2026 | 24 Sept 2026, 13:06 | 34,225 ft | 765 |
| not transmitted | route not resolved | 23 Sept 2026, 10:5823 Sept 2026 | 23 Sept 2026, 11:03 | 17,975 ft | 6 |
| CSW615 | BKPR > LFSB | 22 Sept 2026, 21:5322 Sept 2026 | 22 Sept 2026, 21:55 | 8,475 ft | 52 |
| not transmitted | route not resolved | 21 Sept 2026, 15:5621 Sept 2026 | 21 Sept 2026, 16:05 | 27,075 ft | 6 |
| CSW612 | LFSB > BKPR | 12 Sept 2026, 12:0112 Sept 2026 | 12 Sept 2026, 12:07 | 18,750 ft | 3 |
| CSW615 | BKPR > LFSB | 11 Sept 2026, 22:3411 Sept 2026 | 11 Sept 2026, 22:41 | 10,850 ft | 6 |
| CSW1PM | LEPA > LSZH | 10 Sept 2026, 16:5110 Sept 2026 | 10 Sept 2026, 16:54 | 34,550 ft | 1 |
| CSW1EP | LSZH > LEPA | 10 Sept 2026, 13:1410 Sept 2026 | 10 Sept 2026, 13:33 | 35,000 ft | 654 |
| CSW1PM | LEPA > LSZH | 9 Sept 2026, 16:409 Sept 2026 | 9 Sept 2026, 16:56 | 17,150 ft | 336 |
| CSW5129 | route not resolved | 8 Sept 2026, 14:018 Sept 2026 | 8 Sept 2026, 14:08 | 26,000 ft | 36 |
| CSW128 | route not resolved | 8 Sept 2026, 08:288 Sept 2026 | 8 Sept 2026, 08:58 | 34,975 ft | 2,040 |
| CSW1PM | LEPA > LSZH | 5 Sept 2026, 15:275 Sept 2026 | 5 Sept 2026, 15:45 | 19,075 ft | 538 |
| CSW1EP | LSZH > LEPA | 5 Sept 2026, 11:545 Sept 2026 | 5 Sept 2026, 12:15 | 34,950 ft | 1,210 |
| CSW1EP | LSZH > LEPA | 3 Sept 2026, 11:563 Sept 2026 | 3 Sept 2026, 12:15 | 33,025 ft | 1,217 |
| CSW612 | LFSB > BKPR | 1 Sept 2026, 11:141 Sept 2026 | 1 Sept 2026, 11:20 | 20,775 ft | 17 |
| CSW612 | LFSB > BKPR | 31 Aug 2026, 12:1331 Aug 2026 | 31 Aug 2026, 12:16 | 20,200 ft | 4 |
| not transmitted | route not resolved | 30 Aug 2026, 22:2130 Aug 2026 | 30 Aug 2026, 22:23 | 15,625 ft | 6 |
| CSW612 | LFSB > BKPR | 30 Aug 2026, 12:0030 Aug 2026 | 30 Aug 2026, 12:06 | 20,125 ft | 3 |
| CSW611 | BKPR > LFSB | 30 Aug 2026, 10:2230 Aug 2026 | 30 Aug 2026, 10:28 | 10,500 ft | 6 |
| CSW610 | LFSB > BKPR | 30 Aug 2026, 06:1630 Aug 2026 | 30 Aug 2026, 06:22 | 20,650 ft | 82 |
| CSW612 | LFSB > BKPR | 29 Aug 2026, 13:0329 Aug 2026 | 29 Aug 2026, 13:11 | 23,525 ft | 64 |
| CSW611 | BKPR > LFSB | 29 Aug 2026, 10:4729 Aug 2026 | 29 Aug 2026, 10:49 | 16,325 ft | 8 |
| CSW612 | LFSB > BKPR | 27 Aug 2026, 11:5627 Aug 2026 | 27 Aug 2026, 11:58 | 19,925 ft | 8 |
| not transmitted | route not resolved | 26 Aug 2026, 21:5126 Aug 2026 | 26 Aug 2026, 21:57 | 11,225 ft | 8 |
| CSW1PM | LEPA > LSZH | 25 Aug 2026, 15:4525 Aug 2026 | 25 Aug 2026, 15:54 | 28,250 ft | 18 |
