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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, 16:04
- Logged visits
- 1,408
The station's story
- Cumulative contact time
- 176 h
- Distinct days
- 760
- Highest captured altitude
- 39,025 ft
- Discovery rank
- #25,489 of 57,068
- Longest contact
- 0 h 40 min
- Contacts on this Mode S address
- 1,451 contacts on the address, 1,408 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 (469 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 |
|---|---|---|---|---|---|
| CSW612 | LFSB > BKPR | 1 Jun 2026, 12:221 Jun 2026 | 1 Jun 2026, 12:26 | 15,350 ft | 50 |
| CSW615 | BKPR > LFSB | 31 May 2026, 23:0031 May 2026 | 31 May 2026, 23:02 | 16,650 ft | 13 |
| CSW612 | LFSB > BKPR | 31 May 2026, 11:4931 May 2026 | 31 May 2026, 11:52 | 15,500 ft | 48 |
| CSW615 | BKPR > LFSB | 30 May 2026, 22:2630 May 2026 | 30 May 2026, 22:32 | 12,050 ft | 24 |
| CSW612 | LFSB > BKPR | 30 May 2026, 12:3130 May 2026 | 30 May 2026, 12:35 | 13,975 ft | 26 |
| not transmitted | route not resolved | 30 May 2026, 10:3430 May 2026 | 30 May 2026, 10:34 | 14,600 ft | no position received |
| CSW610 | LFSB > BKPR | 30 May 2026, 06:1730 May 2026 | 30 May 2026, 06:22 | 15,125 ft | 191 |
| CSW615 | BKPR > LFSB | 29 May 2026, 22:2529 May 2026 | 29 May 2026, 22:31 | 11,350 ft | 16 |
| CSW612 | LFSB > BKPR | 29 May 2026, 12:2929 May 2026 | 29 May 2026, 12:36 | 21,400 ft | 9 |
| CSW615 | BKPR > LFSB | 28 May 2026, 22:3228 May 2026 | 28 May 2026, 22:33 | 8,725 ft | 5 |
| not transmitted | route not resolved | 28 May 2026, 12:0228 May 2026 | 28 May 2026, 12:09 | 19,300 ft | 4 |
| not transmitted | route not resolved | 27 May 2026, 21:4827 May 2026 | 27 May 2026, 21:48 | 7,825 ft | no position received |
| not transmitted | route not resolved | 26 May 2026, 15:4226 May 2026 | 26 May 2026, 15:51 | 27,725 ft | no position received |
| CSW1EP | LSZH > LEPA | 26 May 2026, 11:5426 May 2026 | 26 May 2026, 12:03 | 35,000 ft | 24 |
| CSW1PM | LEPA > LSZH | 25 May 2026, 15:3625 May 2026 | 25 May 2026, 15:59 | 11,500 ft | 247 |
| CSW1EP | LSZH > LEPA | 25 May 2026, 11:5725 May 2026 | 25 May 2026, 12:18 | 35,000 ft | 1,351 |
| not transmitted | route not resolved | 24 May 2026, 16:0924 May 2026 | 24 May 2026, 16:11 | 33,375 ft | 2 |
| CSW1EP | LSZH > LEPA | 24 May 2026, 12:0024 May 2026 | 24 May 2026, 12:04 | 32,350 ft | 2 |
| CSW1PM | LEPA > LSZH | 23 May 2026, 16:0923 May 2026 | 23 May 2026, 16:25 | 17,050 ft | 637 |
| CSW1EP | LSZH > LEPA | 23 May 2026, 11:5023 May 2026 | 23 May 2026, 12:12 | 33,000 ft | 1,094 |
| not transmitted | route not resolved | 22 May 2026, 15:4622 May 2026 | 22 May 2026, 15:46 | 32,475 ft | no position received |
| CSW1EP | LSZH > LEPA | 22 May 2026, 11:5922 May 2026 | 22 May 2026, 12:20 | 33,000 ft | 1,253 |
| not transmitted | route not resolved | 21 May 2026, 16:0121 May 2026 | 21 May 2026, 16:03 | 34,125 ft | no position received |
| CSW1EP | LSZH > LEPA | 21 May 2026, 11:5321 May 2026 | 21 May 2026, 12:10 | 33,000 ft | 976 |
| not transmitted | route not resolved | 19 May 2026, 15:3019 May 2026 | 19 May 2026, 15:31 | 32,500 ft | no position received |
