1 1 . ▁ ▁Program s ▁ ▁Compet itive ▁highlight s ▁ ▁GP : ▁Champions ▁Series ▁/ ▁Grand ▁Prix ▁ ▁References ▁ ▁External ▁links ▁▁ ▁Luc inda R uh . com ▁- ▁Official ▁website ▁ ▁Category : 1 9 7 9 ▁birth s ▁Category : L iving ▁people ▁Category : S ports people ▁from ▁Zürich ▁Category : Sw iss ▁em igr ants ▁to ▁the ▁United ▁States ▁Category : Sw iss ▁female ▁single ▁sk aters <0x0A> </s> ▁__ NOT OC __ ▁ ▁Num bers ▁ 4 6 7 ▁to ▁ 4 7 0 ▁were ▁four ▁examples ▁of ▁a ▁unique ▁se ap lane ▁design ▁produced ▁for ▁the ▁flying ▁service ▁of ▁the ▁Imperial ▁German ▁Navy ▁during ▁the ▁First ▁World ▁War . ▁These ▁four ▁aircraft ▁were ▁the ▁subject ▁of ▁an ▁order ▁by ▁the ▁Navy ▁for ▁tra iner ▁se ap lan es ▁for ▁the ▁base ▁at ▁P utz ig , ▁at ▁a ▁time ▁when ▁most ▁train ers ▁were ▁merely ▁ob sole te ▁front - line ▁types . ▁ ▁Const ruction ▁of ▁these ▁un ar med ▁two - se at ▁bi plan es ▁took ▁place ▁between ▁October ▁ 1 9 1 6 ▁and ▁March ▁ 1 9 1 7 ., ▁ahead ▁of ▁a ▁separate ▁order ▁for ▁two ▁more ▁machines ▁of ▁different ▁design ▁that ▁had ▁been ▁assigned ▁lower ▁serial ▁numbers ▁by ▁the ▁Navy ▁( 4 0 4 – 4 0 5 ). ▁ ▁Spec ifications ▁ ▁Notes ▁ ▁References ▁▁▁▁▁▁▁▁▁ ▁Category : 1 9 1 0 s ▁German ▁military ▁tra iner ▁aircraft ▁ 4 6 7 ▁Category : Float plan