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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
- 11 Aug 2026, 12:07
- Logged visits
- 1,407
The station's story
- Cumulative contact time
- 176 h
- Distinct days
- 760
- Highest captured altitude
- 39,025 ft
- Discovery rank
- #25,489 of 57,441
- Longest contact
- 0 h 40 min
- Contacts on this Mode S address
- 1,450 contacts on the address, 1,407 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 (468 contacts, 2025-2026) · ENT (2 contacts, 2025)
Operator as per the registry of 29 Jul 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 | 19 Jun 2026, 18:1319 Jun 2026 | 19 Jun 2026, 18:13 | 18,125 ft | no position received |
| not transmitted | route not resolved | 18 Jun 2026, 15:4218 Jun 2026 | 18 Jun 2026, 15:48 | 26,675 ft | no position received |
| CSW1EP | LSZH > LEPA | 18 Jun 2026, 11:5718 Jun 2026 | 18 Jun 2026, 12:16 | 33,000 ft | 924 |
| not transmitted | route not resolved | 16 Jun 2026, 12:3116 Jun 2026 | 16 Jun 2026, 12:32 | 16,875 ft | 2 |
| not transmitted | route not resolved | 15 Jun 2026, 22:2615 Jun 2026 | 15 Jun 2026, 22:27 | 16,775 ft | 2 |
| CSW1PM | LEPA > LSZH | 15 Jun 2026, 15:5315 Jun 2026 | 15 Jun 2026, 16:09 | 20,425 ft | 613 |
| not transmitted | route not resolved | 15 Jun 2026, 12:2115 Jun 2026 | 15 Jun 2026, 12:21 | not transmitted | no position received |
| CSW612 | LFSB > BKPR | 15 Jun 2026, 06:1515 Jun 2026 | 15 Jun 2026, 06:21 | 17,250 ft | 90 |
| CSW612 | LFSB > BKPR | 14 Jun 2026, 11:5314 Jun 2026 | 14 Jun 2026, 11:56 | 13,800 ft | 35 |
| not transmitted | route not resolved | 13 Jun 2026, 22:3113 Jun 2026 | 13 Jun 2026, 22:33 | 15,675 ft | 8 |
| CSW612 | LFSB > BKPR | 13 Jun 2026, 12:0713 Jun 2026 | 13 Jun 2026, 12:13 | 19,900 ft | 8 |
| CSW612 | LFSB > BKPR | 12 Jun 2026, 12:1712 Jun 2026 | 12 Jun 2026, 12:24 | 18,875 ft | 4 |
| CSW615 | BKPR > LFSB | 11 Jun 2026, 22:3211 Jun 2026 | 11 Jun 2026, 22:39 | 16,050 ft | 5 |
| not transmitted | route not resolved | 11 Jun 2026, 12:0411 Jun 2026 | 11 Jun 2026, 12:11 | 20,775 ft | 1 |
| CSW615 | BKPR > LFSB | 10 Jun 2026, 21:3810 Jun 2026 | 10 Jun 2026, 21:45 | 10,300 ft | 16 |
| CSW1PM | LEPA > LSZH | 10 Jun 2026, 15:2810 Jun 2026 | 10 Jun 2026, 15:36 | 27,500 ft | 49 |
| CSW1EP | LSZH > LEPA | 10 Jun 2026, 11:4910 Jun 2026 | 10 Jun 2026, 12:12 | 35,000 ft | 981 |
| not transmitted | route not resolved | 9 Jun 2026, 11:359 Jun 2026 | 9 Jun 2026, 11:36 | 19,450 ft | 5 |
| CSW615 | BKPR > LFSB | 8 Jun 2026, 22:318 Jun 2026 | 8 Jun 2026, 22:32 | 16,150 ft | 4 |
| not transmitted | route not resolved | 8 Jun 2026, 12:248 Jun 2026 | 8 Jun 2026, 12:27 | 18,525 ft | 5 |
| CSW1615 | route not resolved | 8 Jun 2026, 10:528 Jun 2026 | 8 Jun 2026, 10:59 | 11,500 ft | 24 |
| CSW1PM | LEPA > LSZH | 4 Jun 2026, 16:044 Jun 2026 | 4 Jun 2026, 16:18 | 17,100 ft | 386 |
| CSW1EP | LSZH > LEPA | 4 Jun 2026, 12:204 Jun 2026 | 4 Jun 2026, 12:43 | 35,000 ft | 1,112 |
| not transmitted | route not resolved | 2 Jun 2026, 11:342 Jun 2026 | 2 Jun 2026, 11:39 | 18,800 ft | 6 |
| CSW612 | LFSB > BKPR | 1 Jun 2026, 12:221 Jun 2026 | 1 Jun 2026, 12:26 | 15,350 ft | 50 |
