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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
- 20 Oct 2026, 11:17
- Logged visits
- 1,514
The station's story
- Cumulative contact time
- 193 h
- Distinct days
- 808
- Highest captured altitude
- 39,025 ft
- Discovery rank
- #25,636 of 60,481
- Longest contact
- 0 h 40 min
- Contacts on this Mode S address
- 1,557 contacts on the address, 1,514 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
CSW (552 contacts, 2025-2026) · GSW (541 contacts, 2023-2025) · ENT (2 contacts, 2025)
Operator as per the registry of 19 Oct 2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| 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 |
| CSW615 | BKPR > LFSB | 20 Aug 2025, 21:5320 Aug 2025 | 20 Aug 2025, 22:00 | 10,475 ft | 46 |
| not transmitted | route not resolved | 18 Aug 2025, 16:0018 Aug 2025 | 18 Aug 2025, 16:06 | 29,300 ft | 1 |
| CSW1EP | LSZH > LEPA | 18 Aug 2025, 12:2618 Aug 2025 | 18 Aug 2025, 12:44 | 33,000 ft | 833 |
| CSW1PR | BKPR > LSZH | 18 Aug 2025, 10:3918 Aug 2025 | 18 Aug 2025, 10:41 | 10,875 ft | 21 |
| CSW612 | LFSB > BKPR | 17 Aug 2025, 10:1517 Aug 2025 | 17 Aug 2025, 10:20 | 17,375 ft | 4 |
| CSW615 | BKPR > LFSB | 16 Aug 2025, 23:0716 Aug 2025 | 16 Aug 2025, 23:09 | 15,050 ft | 20 |
| CSW612 | LFSB > BKPR | 16 Aug 2025, 12:4216 Aug 2025 | 16 Aug 2025, 12:51 | 26,725 ft | 114 |
| not transmitted | route not resolved | 16 Aug 2025, 11:0216 Aug 2025 | 16 Aug 2025, 11:05 | 16,550 ft | 2 |
| CSW612 | LFSB > BKPR | 15 Aug 2025, 11:4115 Aug 2025 | 15 Aug 2025, 11:43 | 12,150 ft | 34 |
| not transmitted | route not resolved | 15 Aug 2025, 10:1515 Aug 2025 | 15 Aug 2025, 10:23 | 11,500 ft | 4 |
