Tomark Aero Cz Sro VIPER SD-4
N613TK is a Tomark Aero Cz Sro VIPER SD-4, a fixed-wing airplane with one motor with a four-stroke engine, built in 2009. It has 2 seats. It is registered to Tomark Aero USA LLC, an LLC in Frisco, Texas. The registration is valid: it was issued on April 27, 2010 and expires on January 31, 2030. It holds an experimental airworthiness certificate for research and development; research and development, dated August 5, 2026.
Aircraft
- Maker
- Tomark Aero Cz Sro
- Model
- VIPER SD-4 · all VIPER SD-4s and related versions
- Serial number
- 0008
- Type
- Fixed-wing, single engine
- Power
- Four-cycle piston, 1 motor · Rotax 912S · 100 hp
- Seats
- 2
- Year built
- 2009
- Transponder code
- A7FB96 (octal 51775626)
Registration
- Status
- Valid registration
- Certificate issued
- April 27, 2010
- Expires
- January 31, 2030
- Last FAA action
- September 30, 2023
- Airworthiness
- Experimental · Research and development; Research and development · August 5, 2026
- FAA region
- Southwestern
- FAA record id
- 01048082
Owner as the FAA publishes it
- Name
- Tomark Aero USA LLC
- Type
- LLC
- Address
- 7704 Cordova Dr
Frisco, TX 75035-2919
Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.
Documents on file 0
No bills of sale, loans or other documents are indexed against this tail number.
Records check free · 1 to understand · 4 clear
The public federal record on N613TK, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.
Valid registration to Tomark Aero USA LLC, an LLC, certificate issued April 27, 2010, expires January 31, 2030. No fractional interest recorded. [1]
The airworthiness certificate on file is dated August 5, 2026, 17 years after the 2009 manufacture year. A re-issued certificate commonly follows export and re-import, a rebuild, or a return to the register after cancellation. The cause is documented in the FAA aircraft records file, which the full report obtains. [1]
No earlier tail number is recorded against serial 0008 for this model in the deregistered file. [2]
No other airframe has carried N613TK according to the deregistered file. [2]
No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]
No NTSB investigation records located under N613TK. CLEAR means the query ran and returned nothing, not that nothing ever happened. [4]
These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.
AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.
- FAA Releasable Aircraft Database, master file, file of October 2, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 2, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 2, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through August 27, 2026. data.ntsb.gov/carol-main-public/basic-search
This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this record on the FAA site · This record as data