Hph Shark 304ES 18M High Performance vs Stemme S12
Live Market Snapshot
Current asking-price market, aggregated across multiple marketplaces · refreshed daily
Hph Shark 304ES 18M High Performance
No active listings right now.
Stemme S12
- For sale now
- 3
- Listed on 2+ marketplaces
- 1
- Source marketplaces
- 3
- Model years available
- 2020–2023
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) | Hph Shark 304ES 18M High Performance | Stemme S12 |
|---|---|---|
| All events | — | 1 |
| Serious | — | 0 |
| Fatal | — | 1 |
| Fatalities | — | 2 |
| % Fatal | — | 100% |
Full Specs Comparison
Swipe to see all specs
| Spec / Model | Hph Shark 304ES 18M High Performance | Stemme S12 |
|---|---|---|
|
|
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| Price Range | $207,421 | $412,010 – $628,187 |
| Category | Gliders | Gliders |
| Model Specifications | ||
Frequently Asked Questions
Which is better, Hph Shark 304ES 18M High Performance or Stemme S12?
It depends on your mission and budget.
Review the specs table above to find which fits your flying profile.
How do prices compare?
Hph Shark 304ES 18M High Performance: from $207,421.
Stemme S12: from $400,000.
Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Hph Shark 304ES 18M High Performance and Stemme S12?
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