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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
- #25,494 of 57,141
- 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 |
|---|---|---|---|---|---|
| not transmitted | route not resolved | 10 Oct 2025, 16:1110 Oct 2025 | 10 Oct 2025, 16:11 | not transmitted | no position received |
| CSW1EP | LSZH > LEPA | 10 Oct 2025, 12:0710 Oct 2025 | 10 Oct 2025, 12:21 | 35,725 ft | no position received |
| CSW1EP | LSZH > LEPA | 8 Oct 2025, 12:098 Oct 2025 | 8 Oct 2025, 12:29 | 34,875 ft | 1,290 |
| CSW612 | LFSB > BKPR | 7 Oct 2025, 11:087 Oct 2025 | 7 Oct 2025, 11:14 | 18,425 ft | 5 |
| not transmitted | route not resolved | 6 Oct 2025, 22:276 Oct 2025 | 6 Oct 2025, 22:27 | 14,225 ft | no position received |
| not transmitted | route not resolved | 6 Oct 2025, 12:106 Oct 2025 | 6 Oct 2025, 12:12 | 22,875 ft | 7 |
| CSW610 | LFSB > BKPR | 6 Oct 2025, 06:176 Oct 2025 | 6 Oct 2025, 06:21 | 14,425 ft | 134 |
| CSW615 | BKPR > LFSB | 5 Oct 2025, 22:105 Oct 2025 | 5 Oct 2025, 22:12 | 30,950 ft | 5 |
| CSW1PM | LEPA > LSZH | 5 Oct 2025, 15:485 Oct 2025 | 5 Oct 2025, 16:06 | 18,825 ft | 328 |
| CSW1EP | LSZH > LEPA | 5 Oct 2025, 12:135 Oct 2025 | 5 Oct 2025, 12:30 | 33,200 ft | 950 |
| CSW1PM | LEPA > LSZH | 4 Oct 2025, 15:564 Oct 2025 | 4 Oct 2025, 16:10 | 21,225 ft | 421 |
| CSW1EP | LSZH > LEPA | 4 Oct 2025, 12:054 Oct 2025 | 4 Oct 2025, 12:26 | 35,775 ft | 923 |
| not transmitted | route not resolved | 3 Oct 2025, 16:253 Oct 2025 | 3 Oct 2025, 16:25 | 32,900 ft | no position received |
| not transmitted | route not resolved | 2 Oct 2025, 15:582 Oct 2025 | 2 Oct 2025, 16:00 | 33,450 ft | no position received |
| CSW1EP | LSZH > LEPA | 2 Oct 2025, 12:202 Oct 2025 | 2 Oct 2025, 12:37 | 33,000 ft | 1,055 |
| CSW1EP | LSZH > LEPA | 1 Oct 2025, 12:181 Oct 2025 | 1 Oct 2025, 12:36 | 33,000 ft | 1,101 |
| not transmitted | route not resolved | 30 Sept 2025, 10:5330 Sept 2025 | 30 Sept 2025, 10:54 | 17,050 ft | 4 |
| CSW615 | BKPR > LFSB | 29 Sept 2025, 22:3629 Sept 2025 | 29 Sept 2025, 22:40 | 16,125 ft | 11 |
| CSW610 | LFSB > BKPR | 29 Sept 2025, 06:2329 Sept 2025 | 29 Sept 2025, 06:27 | 15,025 ft | 158 |
| not transmitted | route not resolved | 28 Sept 2025, 21:5428 Sept 2025 | 28 Sept 2025, 21:54 | 16,650 ft | no position received |
| CSW1PM | LEPA > LSZH | 28 Sept 2025, 15:4728 Sept 2025 | 28 Sept 2025, 15:55 | 27,700 ft | 48 |
| CSW1EP | LSZH > LEPA | 28 Sept 2025, 12:1528 Sept 2025 | 28 Sept 2025, 12:19 | 36,050 ft | 32 |
| not transmitted | route not resolved | 27 Sept 2025, 16:0427 Sept 2025 | 27 Sept 2025, 16:06 | 32,050 ft | 7 |
| CSW1EP | LSZH > LEPA | 27 Sept 2025, 12:3427 Sept 2025 | 27 Sept 2025, 12:51 | 35,025 ft | 67 |
| not transmitted | route not resolved | 26 Sept 2025, 15:4626 Sept 2025 | 26 Sept 2025, 15:46 | not transmitted | no position received |
