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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 57,178
- 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 | 13 Sept 2025, 12:3113 Sept 2025 | 13 Sept 2025, 12:39 | 34,975 ft | 13 |
| CSW1PM | LEPA > LSZH | 12 Sept 2025, 15:5912 Sept 2025 | 12 Sept 2025, 16:19 | 12,225 ft | no position received |
| CSW1EP | LSZH > LEPA | 12 Sept 2025, 12:1912 Sept 2025 | 12 Sept 2025, 12:45 | 37,000 ft | 1,303 |
| CSW1PM | LEPA > LSZH | 11 Sept 2025, 15:4211 Sept 2025 | 11 Sept 2025, 15:59 | 16,300 ft | 408 |
| CSW1EP | LSZH > LEPA | 11 Sept 2025, 12:1811 Sept 2025 | 11 Sept 2025, 12:41 | 36,675 ft | 863 |
| CSW612 | LFSB > BKPR | 10 Sept 2025, 12:2210 Sept 2025 | 10 Sept 2025, 12:27 | 18,900 ft | 2 |
| CSW1615 | route not resolved | 10 Sept 2025, 04:4810 Sept 2025 | 10 Sept 2025, 04:53 | 9,150 ft | 88 |
| not transmitted | route not resolved | 9 Sept 2025, 18:309 Sept 2025 | 9 Sept 2025, 18:31 | 33,300 ft | no position received |
| CSW1EP | LSZH > LEPA | 9 Sept 2025, 14:589 Sept 2025 | 9 Sept 2025, 15:18 | 32,975 ft | 977 |
| CSW1PM | LEPA > LSZH | 8 Sept 2025, 15:548 Sept 2025 | 8 Sept 2025, 16:00 | 30,000 ft | no position received |
| CSW1EP | LSZH > LEPA | 8 Sept 2025, 12:128 Sept 2025 | 8 Sept 2025, 12:31 | 35,000 ft | 794 |
| CSW1PM | LEPA > LSZH | 6 Sept 2025, 15:576 Sept 2025 | 6 Sept 2025, 16:12 | 17,975 ft | 420 |
| CSW1EP | LSZH > LEPA | 6 Sept 2025, 12:346 Sept 2025 | 6 Sept 2025, 12:42 | 34,075 ft | 52 |
| not transmitted | route not resolved | 5 Sept 2025, 11:435 Sept 2025 | 5 Sept 2025, 11:45 | 23,125 ft | 2 |
| not transmitted | route not resolved | 5 Sept 2025, 10:205 Sept 2025 | 5 Sept 2025, 10:25 | 10,000 ft | 1 |
| CSW5236 | route not resolved | 5 Sept 2025, 06:195 Sept 2025 | 5 Sept 2025, 06:32 | 30,000 ft | 1,044 |
| CSW615 | BKPR > LFSB | 4 Sept 2025, 23:024 Sept 2025 | 4 Sept 2025, 23:07 | 16,425 ft | 6 |
| ENT2621 | EDDS > BKPR | 4 Sept 2025, 18:214 Sept 2025 | 4 Sept 2025, 18:24 | 24,850 ft | 4 |
| CSW612 | LFSB > BKPR | 4 Sept 2025, 12:104 Sept 2025 | 4 Sept 2025, 12:13 | 19,500 ft | no position received |
| not transmitted | route not resolved | 3 Sept 2025, 22:483 Sept 2025 | 3 Sept 2025, 22:48 | not transmitted | no position received |
| CSW612 | LFSB > BKPR | 3 Sept 2025, 12:133 Sept 2025 | 3 Sept 2025, 12:19 | 22,075 ft | 18 |
| not transmitted | route not resolved | 2 Sept 2025, 18:122 Sept 2025 | 2 Sept 2025, 18:14 | 24,500 ft | no position received |
| CSW612 | LFSB > BKPR | 2 Sept 2025, 12:022 Sept 2025 | 2 Sept 2025, 12:05 | 21,325 ft | 17 |
| CSW615 | BKPR > LFSB | 1 Sept 2025, 22:271 Sept 2025 | 1 Sept 2025, 22:33 | 9,975 ft | 19 |
| CSW610 | LFSB > BKPR | 1 Sept 2025, 06:191 Sept 2025 | 1 Sept 2025, 06:25 | 19,400 ft | 99 |
