| 31. | Pure sailplane, motorized self-launching and sustainer engine versions were announced.
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| 32. | Compared to airliners, sailplanes fly at low airspeeds.
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| 33. | In 1951, the prohibitions were lifted and the company returned to sailplane building.
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| 34. | Under his leadership the DFS continued to turn out a series of successful sailplanes.
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| 35. | The airport is mostly used for general aviation, and has extensive sailplane activity.
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| 36. | The term " sailplanes " is sometimes used.
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| 37. | The sailplane is trimmed in pitch via an innovative variable-position horizontal stabilizer.
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| 38. | The aircraft is a conventional self-launching sailplane, with a retractable engine.
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| 39. | It was flight tested by Jet-sailplane performer Bob Carlton in August 2011.
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| 40. | The first sailplane crossing of the Alps was flown by Heini Dittmar in 1936.
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