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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
- #25,490 of 57,079
- 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 29 Jul 2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| CSW615 | BKPR > LFSB | 24 Nov 2025, 22:0324 Nov 2025 | 24 Nov 2025, 22:05 | 18,250 ft | 11 |
| CSW612 | LFSB > BKPR | 23 Nov 2025, 12:0423 Nov 2025 | 23 Nov 2025, 12:07 | 14,825 ft | 43 |
| CSW615 | BKPR > LFSB | 22 Nov 2025, 22:0422 Nov 2025 | 22 Nov 2025, 22:09 | 10,600 ft | 14 |
| CSW612 | LFSB > BKPR | 21 Nov 2025, 12:1321 Nov 2025 | 21 Nov 2025, 12:17 | 21,100 ft | 118 |
| not transmitted | route not resolved | 20 Nov 2025, 22:3520 Nov 2025 | 20 Nov 2025, 22:36 | 16,225 ft | 2 |
| CSW612 | LFSB > BKPR | 19 Nov 2025, 12:0119 Nov 2025 | 19 Nov 2025, 12:03 | 17,825 ft | 6 |
| CSW615 | BKPR > LFSB | 18 Nov 2025, 22:0418 Nov 2025 | 18 Nov 2025, 22:07 | 16,675 ft | 23 |
| not transmitted | route not resolved | 17 Nov 2025, 11:5717 Nov 2025 | 17 Nov 2025, 11:58 | 18,050 ft | 12 |
| CSW615 | BKPR > LFSB | 14 Nov 2025, 22:0814 Nov 2025 | 14 Nov 2025, 22:13 | 10,800 ft | 20 |
| CSW1EP | LSZH > LEPA | 14 Nov 2025, 12:0514 Nov 2025 | 14 Nov 2025, 12:27 | 36,975 ft | 1,218 |
| CSW612 | LFSB > BKPR | 13 Nov 2025, 12:0913 Nov 2025 | 13 Nov 2025, 12:14 | 18,200 ft | 8 |
| CSW615 | BKPR > LFSB | 12 Nov 2025, 22:0612 Nov 2025 | 12 Nov 2025, 22:12 | 10,275 ft | 11 |
| CSW612 | LFSB > BKPR | 11 Nov 2025, 11:5011 Nov 2025 | 11 Nov 2025, 11:52 | 12,100 ft | 50 |
| CSW615 | BKPR > LFSB | 10 Nov 2025, 22:0310 Nov 2025 | 10 Nov 2025, 22:05 | 16,125 ft | 3 |
| CSW612 | LFSB > BKPR | 9 Nov 2025, 11:539 Nov 2025 | 9 Nov 2025, 11:55 | 14,175 ft | 82 |
| not transmitted | route not resolved | 8 Nov 2025, 22:038 Nov 2025 | 8 Nov 2025, 22:04 | 15,400 ft | no position received |
| not transmitted | route not resolved | 3 Nov 2025, 12:083 Nov 2025 | 3 Nov 2025, 12:09 | 17,500 ft | 7 |
| CSW615 | BKPR > LFSB | 2 Nov 2025, 22:212 Nov 2025 | 2 Nov 2025, 22:22 | 16,550 ft | 23 |
| CSW612 | LFSB > BKPR | 1 Nov 2025, 11:541 Nov 2025 | 1 Nov 2025, 11:58 | 15,675 ft | 56 |
| CSW615 | BKPR > LFSB | 31 Oct 2025, 22:0731 Oct 2025 | 31 Oct 2025, 22:14 | 11,125 ft | 38 |
| CSW612 | LFSB > BKPR | 30 Oct 2025, 12:0730 Oct 2025 | 30 Oct 2025, 12:09 | 19,400 ft | 2 |
| not transmitted | route not resolved | 29 Oct 2025, 22:3529 Oct 2025 | 29 Oct 2025, 22:35 | 16,600 ft | 1 |
| CSW1PM | LEPA > LSZH | 26 Oct 2025, 15:2626 Oct 2025 | 26 Oct 2025, 15:41 | 19,050 ft | 204 |
| CSW1PM | LEPA > LSZH | 25 Oct 2025, 15:3725 Oct 2025 | 25 Oct 2025, 15:52 | 19,825 ft | 125 |
| CSW1EP | LSZH > LEPA | 25 Oct 2025, 11:5525 Oct 2025 | 25 Oct 2025, 12:18 | 33,000 ft | 1,014 |
