Tomark Viper SD4 vs Pipistrel ALPHA TRAINER
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
Pipistrel ALPHA TRAINER
- For sale now
- 13
- Listed on 2+ marketplaces
- 4
- Source marketplaces
- 6
- Model years available
- 2012–2026
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 | Pipistrel ALPHA TRAINER |
|---|---|---|
| All events | 1 | 6 |
| Serious | 0 | 1 |
| Fatal | 0 | 1 |
| Fatalities | 0 | 1 |
| % Fatal | 0% | 17% |
Full Specs Comparison
Swipe to see all specs
| Spec / Model | Tomark Viper SD4 | Pipistrel Alpha Trainer |
|---|---|---|
|
|
|
| Price Range | $137,745 – $179,000 | $65,183 – $222,666 |
| Category | Light Sport | Light Sport |
| Model Specifications | ||
| Cruise Speed | 110 kts (204 km/h) | 108 kts (200 km/h) |
| Range | 400 nm (741 km) | 324 nm (600 km) |
| Max Gross Weight | 1,320 lbs (599 kg) | 1,213 lbs (550 kg) |
Which Should You Buy: Tomark Viper SD4 or Pipistrel ALPHA TRAINER?
Pick the Viper SD4 if…
- Faster cruise — 110 kts vs 108 kts.
- Longer range — 400 nm vs 324 nm.
Pick the ALPHA TRAINER if…
- Budget matters — from $65,183 vs $137,745, you save ~$72,562.
- More inventory — 15 listings vs 8.
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 Pipistrel Alpha Trainer?
It depends on your mission and budget.
The Viper SD4 cruises at 110 kts with 400 nm range.
The Alpha Trainer cruises at 108 kts with 324 nm range.
Review the specs table above to find which fits your flying profile.
How do prices compare?
Pipistrel Alpha Trainer: from $145,000.
Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Tomark Viper SD4 and Pipistrel ALPHA TRAINER?
Cruise: 110 vs 108 kts.
Range: 400 vs 324 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