Jurca MJ-77 Gnatsum project vs Steen Aero Skybolt
Live Market Snapshot
Current asking-price market, aggregated across multiple marketplaces · re-checked on a rolling daily cycle
Jurca MJ-77 Gnatsum project
No active listings right now.
Steen Aero Skybolt
- For sale now
- 8
- Median asking
- $57,000
- Range
- $20,037–$81,609
- Model years available
- 1978–2010
Live data from AeroGurus, aggregated daily across the used-aircraft market. Figures are current asking prices, not appraisals — confirm with a pre-buy inspection.
Full Specs Comparison
Swipe to see all specs
| Spec / Model | Jurca MJ-77 Gnatsum project | Steen Aero Skybolt |
|---|---|---|
|
|
|
|
| Price Range | $23,500 | $20,037 – $81,609 |
| Category | Experimental | Experimental |
| Model Specifications | ||
| Seats | — | 2 |
| Horsepower | — | 260 HP |
| Cruise Speed | — | 110 kts (204 km/h) |
| Range | — | 390 nm (722 km) |
| Service Ceiling | — | 18,000 ft (5,486 m) |
| Max Gross Weight | — | 1,650 lbs (748 kg) |
| Useful Load | — | 650 lbs (295 kg) |
| Fuel Burn | — | 12.0 GPH (45 L/h) |
| Engines | — | 1 x Piston |
Frequently Asked Questions
Which is better, Jurca MJ-77 Gnatsum project or Steen Aero Skybolt?
It depends on your mission and budget.
The Skybolt cruises at 110 kts with 390 nm range.
Review the specs table above to find which fits your flying profile.
How do prices compare?
Jurca MJ-77 Gnatsum project: from $23,500.
Steen Aero Skybolt: from $59,000.
Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Jurca MJ-77 Gnatsum project and Steen Aero Skybolt?
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?
Skybolt: 2 seats / 650 lb 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 re-checked on a rolling cycle — most within a few days · Data: FAA Registry, NTSB · About our data