Thread: Standard Cirrus 1973 (Grob) no water ballast
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Old September 29th 19, 04:34 PM posted to rec.aviation.soaring
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Default Standard Cirrus 1973 (Grob) no water ballast
According to my copy of "Segelflugzeuge vom Wolf zum Discus" by Peter Selinger, water ballast tanks were offered as an option by Schempp-Hirth since July 4th 1971. I suppose Grob followed the same policy.