Fournier RF-5B Sperber vs Grob G109

Full Specs Comparison

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Spec / Model Fournier RF-5B Sperber Grob G109
Fournier RF-5B Sperber
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Price Range
Category Gliders
Model Specifications

Frequently Asked Questions

Which is better, Fournier RF-5B Sperber or Grob G109?
It depends on your mission and budget. Review the specs table above to find which fits your flying profile.
How do prices compare?
Prices vary by year, hours, avionics, and condition. Always get a pre-buy inspection.
What's the difference between Fournier RF-5B Sperber and Grob G109?
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