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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
- 198541 years old
- 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 |
|---|---|---|---|---|---|
| HBKAU | route not resolved | 23 Jul 2025, 10:3123 Jul 2025 | 23 Jul 2025, 10:55 | 1,800 ft | no position received |
| HBKAU | route not resolved | 17 Jul 2025, 09:4417 Jul 2025 | 17 Jul 2025, 10:27 | 3,700 ft | no position received |
| HBKAU | route not resolved | 25 Jun 2025, 19:0725 Jun 2025 | 25 Jun 2025, 19:16 | 4,600 ft | no position received |
| HBKAU | route not resolved | 17 Jun 2025, 10:3917 Jun 2025 | 17 Jun 2025, 11:40 | 4,600 ft | no position received |
| HBKAU | route not resolved | 13 Jun 2025, 13:2213 Jun 2025 | 13 Jun 2025, 13:26 | 3,900 ft | 2 |
| not transmitted | route not resolved | 9 Jun 2025, 13:479 Jun 2025 | 9 Jun 2025, 13:49 | 4,900 ft | no position received |
| not transmitted | route not resolved | 5 Jun 2025, 11:435 Jun 2025 | 5 Jun 2025, 11:44 | 2,200 ft | no position received |
| HBKAU | route not resolved | 5 Jun 2025, 11:045 Jun 2025 | 5 Jun 2025, 11:10 | 2,600 ft | no position received |
| HBKAU | route not resolved | 30 May 2025, 15:1130 May 2025 | 30 May 2025, 15:33 | 3,300 ft | no position received |
| HBKAU | route not resolved | 30 May 2025, 12:5030 May 2025 | 30 May 2025, 13:14 | 2,000 ft | no position received |
| HBKAU | route not resolved | 24 May 2025, 09:2424 May 2025 | 24 May 2025, 09:28 | 5,600 ft | no position received |
| HBKAU | route not resolved | 17 May 2025, 13:5317 May 2025 | 17 May 2025, 14:11 | 3,800 ft | no position received |
| HBKAU | route not resolved | 17 May 2025, 12:0317 May 2025 | 17 May 2025, 12:30 | 2,100 ft | no position received |
| not transmitted | route not resolved | 17 May 2025, 11:3317 May 2025 | 17 May 2025, 11:33 | 12,900 ft | no position received |
| HBKAU | route not resolved | 10 May 2025, 12:5610 May 2025 | 10 May 2025, 13:03 | 5,000 ft | no position received |
| not transmitted | route not resolved | 10 May 2025, 12:1810 May 2025 | 10 May 2025, 12:19 | 4,800 ft | no position received |
| HBKAU | route not resolved | 28 Apr 2025, 17:0528 Apr 2025 | 28 Apr 2025, 17:26 | 4,600 ft | no position received |
| HBKAU | route not resolved | 28 Apr 2025, 16:0828 Apr 2025 | 28 Apr 2025, 16:27 | 2,100 ft | no position received |
| HBKAU | route not resolved | 28 Apr 2025, 13:5928 Apr 2025 | 28 Apr 2025, 14:27 | 5,200 ft | no position received |
| HBKAU | route not resolved | 28 Apr 2025, 11:5928 Apr 2025 | 28 Apr 2025, 12:08 | 2,100 ft | no position received |
| HBKAU | route not resolved | 4 Apr 2025, 14:594 Apr 2025 | 4 Apr 2025, 15:13 | 5,200 ft | no position received |
| HBKAU | route not resolved | 30 Mar 2025, 11:4230 Mar 2025 | 30 Mar 2025, 11:50 | 6,500 ft | no position received |
| HBKAU | route not resolved | 30 Mar 2025, 10:4730 Mar 2025 | 30 Mar 2025, 11:01 | 2,300 ft | no position received |
| HBKAU | route not resolved | 30 Mar 2025, 09:5730 Mar 2025 | 30 Mar 2025, 10:16 | 1,600 ft | no position received |
| HBKAU | route not resolved | 21 Mar 2025, 14:1021 Mar 2025 | 21 Mar 2025, 14:22 | 5,400 ft | 359 |