Tomark Viper SD4 vs Flight Design CTLS
Live Market Snapshot
Current asking-price market, aggregated across multiple marketplaces · refreshed daily
Tomark Viper SD4
- For sale now
- 12
- Listed on 2+ marketplaces
- 4
- Source marketplaces
- 5
- Model years available
- 2013–2024
Flight Design CTLS
- For sale now
- 15
- Median asking
- $103,479
- Range
- $56,000–$153,387
- Listed on 2+ marketplaces
- 8
- Source marketplaces
- 6
- Model years available
- 2006–2023
Live data from AeroGurus, aggregated daily across the used-aircraft market. Figures are current asking prices, not appraisals — confirm with a pre-buy inspection.
Safety Record
Absolute counts scale with fleet size — the most-produced types log more events without being less safe. Compare the % fatal.
| NTSB (1982–now) | Tomark Viper SD4 | Flight Design CTLS |
|---|---|---|
| All events | 1 | 12 |
| Serious | 0 | 2 |
| Fatal | 0 | 1 |
| Fatalities | 0 | 1 |
| % Fatal | 0% | 8% |
Full Specs Comparison
Swipe to see all specs
| Spec / Model | Tomark Viper SD4 | Flight Design Ctls |
|---|---|---|
|
|
|
| Price Range | $137,745 – $179,000 | $56,000 – $153,387 |
| Category | Light Sport | Light Sport |
| Model Specifications | ||
| Cruise Speed | 110 kts (204 km/h) | 115 kts (213 km/h) |
| Range | 400 nm (741 km) | 721 nm (1,335 km) |
| Max Gross Weight | 1,320 lbs (599 kg) | 1,320 lbs (599 kg) |
Which Should You Buy: Tomark Viper SD4 or Flight Design CTLS?
Pick the Viper SD4 if…
- More inventory — 8 listings vs 2.
Pick the CTLS if…
- Budget matters — from $56,000 vs $137,745, you save ~$81,745.
- Faster cruise — 115 kts vs 110 kts.
- Longer range — 721 nm vs 400 nm.
Auto-generated from current market data and published specs. Confirm with a pre-buy inspection and professional appraisal.
Frequently Asked Questions
Which is better, Tomark Viper SD4 or Flight Design Ctls?
It depends on your mission and budget.
The Viper SD4 cruises at 110 kts with 400 nm range.
The Ctls cruises at 115 kts with 721 nm range.
Review the specs table above to find which fits your flying profile.
How do prices compare?
Flight Design Ctls: from $142,967.
Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Tomark Viper SD4 and Flight Design CTLS?
Cruise: 110 vs 115 kts.
Range: 400 vs 721 nm.
Which is cheaper to operate per hour?
Variable cost includes fuel, reserves and overhaul accruals. Annual fixed costs (hangar, insurance, annual inspection) add to the total.
Which has more seats and useful load?
Useful load = max gross weight minus empty weight; it determines how much fuel plus payload you can carry.
How does maintenance compare — TBO and overhaul cost?
Reaching the time-between-overhaul (TBO) triggers a mandatory engine/airframe rebuild that affects resale value.
Disclaimer: All prices and cost estimates are from third-party sources for informational purposes only. Always obtain professional appraisal and inspection before purchase.
Prices updated daily · Data: FAA Registry, NTSB · About our data