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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
- #25,498 of 57,238
- 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 | 22 May 2025, 11:5122 May 2025 | 22 May 2025, 12:14 | 37,000 ft | 1,282 |
| not transmitted | route not resolved | 21 May 2025, 16:1121 May 2025 | 21 May 2025, 16:13 | 34,075 ft | 1 |
| CSW1EP | LSZH > LEPA | 21 May 2025, 11:5721 May 2025 | 21 May 2025, 12:20 | 36,975 ft | 236 |
| not transmitted | route not resolved | 20 May 2025, 11:5920 May 2025 | 20 May 2025, 12:05 | 20,000 ft | 1 |
| CSW610 | LFSB > BKPR | 19 May 2025, 06:1919 May 2025 | 19 May 2025, 06:23 | 16,125 ft | 170 |
| CSW615 | BKPR > LFSB | 18 May 2025, 21:5418 May 2025 | 18 May 2025, 21:56 | 16,200 ft | 3 |
| CSW1PM | LEPA > LSZH | 18 May 2025, 15:2318 May 2025 | 18 May 2025, 15:39 | 17,525 ft | 600 |
| CSW1EP | LSZH > LEPA | 18 May 2025, 11:4818 May 2025 | 18 May 2025, 12:08 | 33,000 ft | 886 |
| not transmitted | route not resolved | 17 May 2025, 15:5417 May 2025 | 17 May 2025, 15:54 | 32,950 ft | no position received |
| CSW1EP | LSZH > LEPA | 17 May 2025, 11:5017 May 2025 | 17 May 2025, 12:09 | 37,000 ft | 1,031 |
| CSW1PM | LEPA > LSZH | 15 May 2025, 15:2715 May 2025 | 15 May 2025, 15:48 | 16,675 ft | 543 |
| CSW1EP | LSZH > LEPA | 15 May 2025, 12:1715 May 2025 | 15 May 2025, 12:25 | 35,150 ft | 36 |
| not transmitted | route not resolved | 14 May 2025, 17:1014 May 2025 | 14 May 2025, 17:11 | 33,150 ft | no position received |
| GSW1EP | LSZH > LEPA | 14 May 2025, 13:1814 May 2025 | 14 May 2025, 13:37 | 37,000 ft | 890 |
| GSW1PM | route not resolved | 13 May 2025, 15:2513 May 2025 | 13 May 2025, 15:47 | 10,475 ft | 851 |
| GSW1EP | LSZH > LEPA | 13 May 2025, 11:5113 May 2025 | 13 May 2025, 11:58 | 36,425 ft | 19 |
| GSW1PM | route not resolved | 12 May 2025, 15:5112 May 2025 | 12 May 2025, 16:17 | 12,325 ft | 398 |
| GSW1EP | LSZH > LEPA | 12 May 2025, 12:0912 May 2025 | 12 May 2025, 12:31 | 36,975 ft | 1,315 |
| GSW610 | LFSB > BKPR | 6 May 2025, 06:216 May 2025 | 6 May 2025, 06:25 | 18,025 ft | 198 |
| not transmitted | route not resolved | 5 May 2025, 22:325 May 2025 | 5 May 2025, 22:32 | 14,950 ft | no position received |
| GSW1PM | route not resolved | 4 May 2025, 15:534 May 2025 | 4 May 2025, 16:11 | 18,275 ft | 547 |
| GSW1EP | LSZH > LEPA | 4 May 2025, 12:064 May 2025 | 4 May 2025, 12:29 | 39,000 ft | 1,138 |
| GSW1PM | route not resolved | 3 May 2025, 16:043 May 2025 | 3 May 2025, 16:24 | 13,200 ft | 674 |
| GSW1EP | LSZH > LEPA | 3 May 2025, 12:043 May 2025 | 3 May 2025, 12:26 | 33,025 ft | 1,183 |
| GSW1EP | LSZH > LEPA | 2 May 2025, 12:152 May 2025 | 2 May 2025, 12:22 | 35,000 ft | 6 |
