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Aircraft
LZ-CVB
Regular
- Mode S hex
- 452148
- Manufacturer
- Cessna
- Serial number
- 560-6170
- Year built
- not in the registry
- Operator
- Heli Air Services (HLR)
- Country of registration
Bulgaria
- First contact
- 20 Aug 2023, 11:27
- Last contact
- 30 Jul 2026, 15:42
- Logged visits
- 62
The station's story
- Cumulative contact time
- 19 h
- Distinct days
- 52
- Highest captured altitude
- 43,000 ft
- Discovery rank
- #49,872 of 57,065
- Longest contact
- 1 h 19 min
- Contacts on this Mode S address
- 110 contacts on the address, 62 under this registration: the address has carried several identities over time.
Same airframe, also seen as
- D-CFFFfrom 6 Apr 2016 to 19 Jul 2024 · 171 contacts
- 9H-EAAfrom 4 Jun 2018 to 9 Oct 2022 · 52 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
HLR (51 contacts, 2024-2026)
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 |
|---|---|---|---|---|---|
| HLR777 | route not resolved | 30 Jul 2026, 15:3930 Jul 2026 | 30 Jul 2026, 15:42 | 29,000 ft | 3 |
| HLR777 | route not resolved | 30 Jul 2026, 12:5130 Jul 2026 | 30 Jul 2026, 13:12 | 11,875 ft | 458 |
| HLR777 | route not resolved | 27 Jun 2026, 07:0627 Jun 2026 | 27 Jun 2026, 08:26 | 21,025 ft | 963 |
| HLR777 | route not resolved | 26 Jun 2026, 16:4426 Jun 2026 | 26 Jun 2026, 16:54 | not transmitted | 559 |
| HLR777 | route not resolved | 22 Jun 2026, 13:2922 Jun 2026 | 22 Jun 2026, 13:54 | 24,125 ft | 835 |
| HLR777 | route not resolved | 20 Jun 2026, 14:4420 Jun 2026 | 20 Jun 2026, 15:04 | 39,000 ft | 519 |
| HLR777 | route not resolved | 18 Jun 2026, 18:0718 Jun 2026 | 18 Jun 2026, 18:12 | 41,000 ft | 91 |
| HLR777 | route not resolved | 14 May 2026, 12:1814 May 2026 | 14 May 2026, 12:40 | 33,000 ft | 26 |
| not transmitted | route not resolved | 14 May 2026, 08:4414 May 2026 | 14 May 2026, 09:03 | 40,000 ft | 2 |
| HLR777 | route not resolved | 4 Mar 2026, 09:384 Mar 2026 | 4 Mar 2026, 10:01 | 41,000 ft | 701 |
| HLR777 | route not resolved | 2 Mar 2026, 16:012 Mar 2026 | 2 Mar 2026, 16:20 | 28,075 ft | 728 |
| not transmitted | route not resolved | 28 Feb 2026, 12:1728 Feb 2026 | 28 Feb 2026, 12:19 | 8,300 ft | no position received |
| HLR777 | route not resolved | 26 Feb 2026, 08:5926 Feb 2026 | 26 Feb 2026, 09:17 | 31,525 ft | 258 |
| HLR555 | route not resolved | 15 Feb 2026, 19:4315 Feb 2026 | 15 Feb 2026, 19:57 | 33,500 ft | 73 |
| HLR555 | route not resolved | 15 Feb 2026, 18:1415 Feb 2026 | 15 Feb 2026, 18:38 | 6,525 ft | 537 |
| HLR777 | route not resolved | 2 Feb 2026, 13:422 Feb 2026 | 2 Feb 2026, 13:58 | 35,625 ft | 204 |
| HLR777 | route not resolved | 2 Feb 2026, 08:382 Feb 2026 | 2 Feb 2026, 09:01 | 1,775 ft | 1,195 |
| HLR777 | route not resolved | 25 Jan 2026, 19:2525 Jan 2026 | 25 Jan 2026, 19:39 | 35,275 ft | 80 |
| HLR777 | route not resolved | 18 Jan 2026, 08:3318 Jan 2026 | 18 Jan 2026, 08:53 | 6,325 ft | 664 |
| HLR777 | route not resolved | 13 Dec 2025, 14:2813 Dec 2025 | 13 Dec 2025, 14:59 | 41,000 ft | 1,098 |
| HLR777 | route not resolved | 11 Dec 2025, 15:2411 Dec 2025 | 11 Dec 2025, 15:53 | 40,000 ft | 1,420 |
| HLR777 | route not resolved | 3 Nov 2025, 07:473 Nov 2025 | 3 Nov 2025, 07:58 | 37,675 ft | 402 |
| HLR777 | route not resolved | 2 Nov 2025, 16:162 Nov 2025 | 2 Nov 2025, 16:20 | 27,725 ft | 53 |
| HLR777 | route not resolved | 28 Oct 2025, 09:3128 Oct 2025 | 28 Oct 2025, 09:51 | 34,750 ft | 581 |
| HLR777 | route not resolved | 26 Oct 2025, 17:2926 Oct 2025 | 26 Oct 2025, 17:53 | not transmitted | 1,422 |
