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Aircraft
HB-JLO
Common
- Mode S hex
- 4B18F0
- Manufacturer
- Gulfstream
- Serial number
- 6521
- Year built
- not in the registry
- Operator
- Cat Aviation (CAZ)
- Country of registration
Switzerland
- First contact
- 18 Apr 2016, 17:45
- Last contact
- 12 Oct 2026, 12:51
- Logged visits
- 254
The station's story
- Cumulative contact time
- 72 h
- Distinct days
- 197
- Highest captured altitude
- 49,000 ft
- Discovery rank
- #7,165 of 60,422
- Longest contact
- 1 h 38 min
- Contacts on this Mode S address
- 282 contacts on the address, 254 under this registration: the address has carried several identities over time.
Observed callsigns
NUM (140 contacts, 2024-2026) · CAZ (50 contacts, 2023-2024) · SUI (1 contacts, 2025)
Operator as per the registry of 12 Oct 2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| NUM721 | route not resolved | 22 Jun 2026, 11:0122 Jun 2026 | 22 Jun 2026, 11:20 | not transmitted | 366 |
| NUM721 | route not resolved | 13 Jun 2026, 13:2113 Jun 2026 | 13 Jun 2026, 13:45 | 25,725 ft | 887 |
| NUM721 | route not resolved | 6 Jun 2026, 11:576 Jun 2026 | 6 Jun 2026, 12:03 | 35,000 ft | 8 |
| NUM721 | route not resolved | 4 Jun 2026, 05:294 Jun 2026 | 4 Jun 2026, 05:47 | 19,525 ft | 1,087 |
| NUM721 | route not resolved | 23 May 2026, 17:3623 May 2026 | 23 May 2026, 17:49 | 14,950 ft | 629 |
| NUM721 | route not resolved | 20 May 2026, 08:5920 May 2026 | 20 May 2026, 09:05 | 33,000 ft | 72 |
| NUM721 | route not resolved | 12 May 2026, 09:1512 May 2026 | 12 May 2026, 09:35 | 17,225 ft | 886 |
| NUM721 | route not resolved | 3 May 2026, 15:213 May 2026 | 3 May 2026, 15:29 | 43,000 ft | 241 |
| NUM721 | route not resolved | 23 Apr 2026, 16:3023 Apr 2026 | 23 Apr 2026, 16:36 | 12,275 ft | 7 |
| NUM721 | route not resolved | 15 Apr 2026, 18:3415 Apr 2026 | 15 Apr 2026, 18:51 | 32,000 ft | 1,057 |
| not transmitted | route not resolved | 11 Apr 2026, 22:1611 Apr 2026 | 11 Apr 2026, 22:17 | not transmitted | no position received |
| NUM701 | route not resolved | 11 Apr 2026, 06:2511 Apr 2026 | 11 Apr 2026, 06:54 | 11,375 ft | 166 |
| NUM701 | route not resolved | 2 Apr 2026, 18:492 Apr 2026 | 2 Apr 2026, 19:09 | 40,400 ft | 751 |
| NUM701 | route not resolved | 22 Mar 2026, 17:5622 Mar 2026 | 22 Mar 2026, 18:10 | 14,600 ft | 642 |
| NUM701 | route not resolved | 17 Mar 2026, 17:3317 Mar 2026 | 17 Mar 2026, 17:35 | 34,750 ft | 6 |
| NUM701 | route not resolved | 17 Mar 2026, 05:4917 Mar 2026 | 17 Mar 2026, 06:14 | 12,950 ft | 2,154 |
| NUM701 | route not resolved | 3 Mar 2026, 11:593 Mar 2026 | 3 Mar 2026, 12:22 | 40,000 ft | 844 |
| NUM701 | route not resolved | 27 Feb 2026, 18:2227 Feb 2026 | 27 Feb 2026, 18:25 | 9,000 ft | 27 |
| NUM701 | route not resolved | 5 Jan 2026, 16:395 Jan 2026 | 5 Jan 2026, 16:52 | 8,975 ft | 106 |
| NUM701 | route not resolved | 5 Jan 2026, 13:455 Jan 2026 | 5 Jan 2026, 14:13 | 43,000 ft | 1,573 |
| not transmitted | route not resolved | 5 Jan 2026, 11:225 Jan 2026 | 5 Jan 2026, 11:22 | 1,400 ft | no position received |
| NUM701 | route not resolved | 4 Jan 2026, 20:184 Jan 2026 | 4 Jan 2026, 20:55 | not transmitted | 1,182 |
| NUM701 | route not resolved | 27 Dec 2025, 09:4327 Dec 2025 | 27 Dec 2025, 10:05 | 16,525 ft | 472 |
| not transmitted | route not resolved | 27 Dec 2025, 08:2227 Dec 2025 | 27 Dec 2025, 08:33 | 8,775 ft | 1 |
| NUM701 | route not resolved | 25 Dec 2025, 15:4425 Dec 2025 | 25 Dec 2025, 15:55 | 31,000 ft | 34 |
