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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
- #25,497 of 57,228
- 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 | 4 Jun 2025, 12:004 Jun 2025 | 4 Jun 2025, 12:22 | 35,000 ft | 1,081 |
| CSW612 | LFSB > BKPR | 3 Jun 2025, 11:583 Jun 2025 | 3 Jun 2025, 12:01 | 19,250 ft | 7 |
| not transmitted | route not resolved | 2 Jun 2025, 22:372 Jun 2025 | 2 Jun 2025, 22:37 | 14,275 ft | no position received |
| CSW610 | LFSB > BKPR | 2 Jun 2025, 06:182 Jun 2025 | 2 Jun 2025, 06:23 | 18,350 ft | 299 |
| CSW615 | BKPR > LFSB | 1 Jun 2025, 21:431 Jun 2025 | 1 Jun 2025, 22:13 | 8,925 ft | 1,130 |
| not transmitted | route not resolved | 1 Jun 2025, 15:551 Jun 2025 | 1 Jun 2025, 15:55 | 31,975 ft | no position received |
| CSW1EP | LSZH > LEPA | 1 Jun 2025, 11:571 Jun 2025 | 1 Jun 2025, 12:17 | 36,975 ft | 960 |
| CSW1PM | LEPA > LSZH | 31 May 2025, 16:0731 May 2025 | 31 May 2025, 16:24 | 16,775 ft | 420 |
| CSW1EP | LSZH > LEPA | 31 May 2025, 12:0531 May 2025 | 31 May 2025, 12:26 | 33,025 ft | 1,205 |
| CSW1PM | LEPA > LSZH | 30 May 2025, 15:5430 May 2025 | 30 May 2025, 16:21 | 11,475 ft | 495 |
| CSW1EP | LSZH > LEPA | 30 May 2025, 12:1430 May 2025 | 30 May 2025, 12:22 | 33,450 ft | 127 |
| not transmitted | route not resolved | 29 May 2025, 12:2029 May 2025 | 29 May 2025, 12:20 | 36,975 ft | no position received |
| not transmitted | route not resolved | 28 May 2025, 15:4928 May 2025 | 28 May 2025, 15:49 | not transmitted | no position received |
| CSW1EP | LSZH > LEPA | 28 May 2025, 12:1128 May 2025 | 28 May 2025, 12:17 | 33,000 ft | 7 |
| CSW612 | LFSB > BKPR | 27 May 2025, 12:0427 May 2025 | 27 May 2025, 12:08 | 17,000 ft | 51 |
| CSW615 | BKPR > LFSB | 26 May 2025, 22:3926 May 2025 | 26 May 2025, 22:41 | 16,150 ft | 23 |
| CSW610 | LFSB > BKPR | 26 May 2025, 06:1826 May 2025 | 26 May 2025, 06:22 | 16,175 ft | 166 |
| not transmitted | route not resolved | 25 May 2025, 21:5625 May 2025 | 25 May 2025, 21:56 | 15,675 ft | no position received |
| CSW1PM | LEPA > LSZH | 25 May 2025, 16:1625 May 2025 | 25 May 2025, 16:31 | 20,575 ft | 406 |
| CSW1EP | LSZH > LEPA | 25 May 2025, 12:4525 May 2025 | 25 May 2025, 13:06 | 35,000 ft | 1,265 |
| CSW1PM | LEPA > LSZH | 24 May 2025, 15:5024 May 2025 | 24 May 2025, 16:09 | 18,775 ft | 412 |
| CSW1EP | LSZH > LEPA | 24 May 2025, 12:1124 May 2025 | 24 May 2025, 12:13 | 28,150 ft | 1 |
| not transmitted | route not resolved | 23 May 2025, 15:3723 May 2025 | 23 May 2025, 15:38 | 31,575 ft | no position received |
| CSW1EP | LSZH > LEPA | 23 May 2025, 12:0023 May 2025 | 23 May 2025, 12:06 | 33,800 ft | 9 |
| CSW1PM | LEPA > LSZH | 22 May 2025, 15:4022 May 2025 | 22 May 2025, 15:58 | 17,850 ft | 671 |
