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Aircraft
HB-KAU
64 of the 562 contacts seen on this address carry an uncertain identity (corrupted frames from neighbours, flagged by the detectors). The figures on this page distinguish contacts attributable to the airframe from contacts on the address; the rarity badge is suspended.
- Mode S hex
- 4B1A7C
- Manufacturer
- Societe De Construction D'avions De Tourisme De D'affaires
- Serial number
- 515
- Year built
- 1985
- Operator
- Flugsportgruppe Grenchen
- Country of registration
Switzerland
- First contact
- 2 May 2016, 14:36
- Last contact
- 5 Aug 2026, 12:35
- Logged visits
- 562
The station's story
- Cumulative contact time
- 201 h
- Distinct days
- 390
- Highest captured altitude
- 24,150 ft
- 64 corrupted frame(s) excluded from this maximum
- Discovery rank
- #9,270 of 57,065
- Longest contact
- 1 h 27 min
- Contacts on this Mode S address
- 565 contacts on the address, 562 under this registration: the address has carried several identities over time.
Observed callsigns
EZS (7 contacts, 2016-2019)
Operator as per the registry of 21.07.2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| not transmitted | route not resolved | 1 Aug 2026, 13:051 Aug 2026 | 1 Aug 2026, 13:11 | 5,000 ft | no position received |
| HBKAU | route not resolved | 28 Jul 2026, 11:3328 Jul 2026 | 28 Jul 2026, 11:57 | 4,900 ft | no position received |
| HBKAU | route not resolved | 28 Jul 2026, 09:4928 Jul 2026 | 28 Jul 2026, 10:19 | 1,500 ft | no position received |
| HBKAU | route not resolved | 26 Jul 2026, 13:5326 Jul 2026 | 26 Jul 2026, 14:24 | 4,500 ft | no position received |
| HBKAU | route not resolved | 26 Jul 2026, 11:1226 Jul 2026 | 26 Jul 2026, 11:30 | 2,200 ft | no position received |
| not transmitted | route not resolved | 25 Jul 2026, 17:5725 Jul 2026 | 25 Jul 2026, 17:59 | 3,500 ft | no position received |
| HBKAU | route not resolved | 25 Jul 2026, 17:0325 Jul 2026 | 25 Jul 2026, 17:15 | 2,500 ft | no position received |
| HBKAU | route not resolved | 25 Jul 2026, 16:2225 Jul 2026 | 25 Jul 2026, 16:31 | 1,800 ft | no position received |
| HBKAU | route not resolved | 23 Jul 2026, 13:0523 Jul 2026 | 23 Jul 2026, 13:19 | 4,200 ft | 3 |
| HBKAU | route not resolved | 20 Jul 2026, 12:1220 Jul 2026 | 20 Jul 2026, 12:31 | 4,800 ft | no position received |
| HBKAU | route not resolved | 20 Jul 2026, 10:5220 Jul 2026 | 20 Jul 2026, 11:15 | 2,700 ft | 41 |
| not transmitted | route not resolved | 12 Jul 2026, 16:4412 Jul 2026 | 12 Jul 2026, 16:44 | 4,300 ft | no position received |
| HBKAU | route not resolved | 13 Jun 2026, 17:2913 Jun 2026 | 13 Jun 2026, 17:33 | 4,200 ft | no position received |
| HBKAU | route not resolved | 13 Jun 2026, 16:4713 Jun 2026 | 13 Jun 2026, 16:57 | 4,500 ft | no position received |
| HBKAU | route not resolved | 6 Jun 2026, 10:006 Jun 2026 | 6 Jun 2026, 10:08 | 6,300 ft | no position received |
| HBKAU | route not resolved | 25 May 2026, 10:4225 May 2026 | 25 May 2026, 10:53 | 4,800 ft | no position received |
| HBKAU | route not resolved | 9 Apr 2026, 18:069 Apr 2026 | 9 Apr 2026, 18:13 | 4,900 ft | no position received |
| HBKAU | route not resolved | 9 Apr 2026, 15:159 Apr 2026 | 9 Apr 2026, 15:43 | 4,400 ft | no position received |
| HBKAU | route not resolved | 7 Apr 2026, 12:547 Apr 2026 | 7 Apr 2026, 13:04 | 5,900 ft | no position received |
| HBKAU | route not resolved | 2 Apr 2026, 15:302 Apr 2026 | 2 Apr 2026, 15:59 | 4,500 ft | no position received |
| HBKAU | route not resolved | 21 Mar 2026, 11:2921 Mar 2026 | 21 Mar 2026, 11:49 | 5,000 ft | no position received |
| not transmitted | route not resolved | 21 Mar 2026, 10:2021 Mar 2026 | 21 Mar 2026, 10:21 | 8,100 ft | no position received |
| HBKAU | route not resolved | 7 Mar 2026, 13:157 Mar 2026 | 7 Mar 2026, 13:50 | 5,800 ft | no position received |
| HBKAU | route not resolved | 6 Mar 2026, 14:146 Mar 2026 | 6 Mar 2026, 14:17 | 3,500 ft | no position received |
| HBKAU | route not resolved | 22 Feb 2026, 14:0122 Feb 2026 | 22 Feb 2026, 14:15 | 5,200 ft | no position received |