Tomark Aero Cz Sro VIPER SD-4
20 Tomark Aero Cz Sro VIPER SD-4 aircraft are currently registered with the FAA, built 2009–2025. Most are registered in FL, DE and WY.
- Registered today
- 20
- Years built
- 2009–2025
- Seats
- 2
- Engines
- 1 · 4 Cycle
Airworthiness Directives
ADs published since 1998 that may apply0 ADs match the Tomark Aero Cz Sro VIPER SD-4 airframe. Engine ADs depend on the engine installed and are listed on each aircraft page.
AI-extracted — verify against original. Applicability must be confirmed by a mechanic against the aircraft's records.
Watch new ADs for the Tomark Aero Cz Sro VIPER SD-4
One email when a new AD may apply to this model. Stop any time.
Accident history
NTSB since 1982- NTSB events
- 0
- Destroyed
- 0
- Substantial damage
- 0
- Minor damage
- 0
- No damage
- 0
Events are NTSB accidents and incidents matched to Tomark Aero Cz Sro VIPER SD-4 airframes by serial number or N-number; counts are approximate, because older events can't always be matched. Too few registered Tomark Aero Cz Sro VIPER SD-4 aircraft for a meaningful yearly rate.
Service difficulty reports
FAA SDRs since 19950 reports on Tomark Aero Cz Sro VIPER SD-4 airframes. Each aircraft page lists its own reports.
Registered fleet by year built
FAA Registry| 2009 | 1 | |
|---|---|---|
| 2017 | 2 | |
| 2022 | 2 | |
| 2023 | 5 | |
| 2024 | 3 | |
| 2025 | 4 | |
| Unknown | 3 |
Buyer checklist
No ADs published since 1998 match the Tomark Aero Cz Sro VIPER SD-4 airframe; engine ADs depend on the engine installed. No NTSB events since 1982 involve Tomark Aero Cz Sro VIPER SD-4 airframes. Check each aircraft's own record before you buy.
- Read the logbooks for the airframe, engine and propeller, start to finish.
- Check AD compliance records against the ADs that may apply.
- Look for damage history and Form 337 major repairs and alterations.
- Have an independent A&P or IA do a pre-buy inspection.
- Run a title search and use escrow for the payment.
Type data
FAA aircraft reference file- Aircraft type
- Fixed wing single engine
- Category
- Land
- Certification
- Light Sport
- Max takeoff weight
- Up to 12,499 lb
VIPER SD-4 aircraft
Page 1 of 1| N-number | Year | Based in | Certificate issued |
|---|---|---|---|
| N205JR | — | Middletown, DE | Oct 18, 2021 |
| N311EA | 2017 | Vancouver, WA | Feb 26, 2020 |
| N359EA | 2022 | Yorkville, IL | Nov 12, 2022 |
| N374EA | 2023 | Saint Charles, MO | Dec 23, 2023 |
| N411EA | 2023 | Sheridan, WY | Dec 15, 2025 |
| N447EA | 2023 | Sheridan, WY | Aug 26, 2026 |
| N450EA | 2017 | Carson City, NV | May 7, 2026 |
| N478EA | 2023 | Hayden, ID | May 26, 2026 |
| N485EA | 2024 | Dover, DE | Dec 20, 2025 |
| N613TK | 2009 | Frisco, TX | Apr 27, 2010 |
| N651EA | — | Fort Lauderdale, FL | Aug 28, 2026 |
| N652EA | — | Fort Lauderdale, FL | Aug 6, 2026 |
| N802EA | 2024 | Merritt Island, FL | Mar 25, 2025 |
| N814EA | 2024 | Greeley, CO | Nov 25, 2024 |
| N848EA | 2025 | Fort Lauderdale, FL | Nov 13, 2025 |
| N854EA | 2023 | Wilmington, DE | Oct 30, 2025 |
| N874EA | 2025 | Sheridan, WY | Apr 23, 2026 |
| N875EA | 2025 | Post Falls, ID | — |
| N881EA | 2025 | Fort Lauderdale, FL | Nov 21, 2025 |
| N973EA | 2022 | Fort Lauderdale, FL | Jan 20, 2026 |