▁H F . 1 4 ▁was ▁seen ▁to ▁have ▁four ▁passengers ▁behind ▁the ▁pilot ▁and ▁ ▁in ▁November ▁ 1 9 1 3 ▁French ▁av i ator ▁Maurice ▁Che v ill ard ▁became ▁the ▁first ▁to ▁loop ▁a ▁bi plane , ▁flying ▁a ▁Far man ▁H F . 1 4 . ▁ ▁Spec ifications ▁ ▁References ▁ ▁External ▁links ▁ ▁Henry ▁' Hen ri ', ▁Maurice ▁and ▁Richard ▁' D ick ' ▁Far man ▁▁ ▁H F 1 4 ▁Category : Single - eng ined ▁push er ▁aircraft ▁Category : Bi plan es ▁Category : Float plan es <0x0A> </s> ▁African ac et us ▁is ▁an ▁ext inct ▁genus ▁of ▁z i phi id ▁cet ace an ▁known ▁from ▁sk ull s ▁found ▁in ▁se af loor ▁sed iments ▁of ▁Late ▁Mi oc ene ▁to ▁Early ▁P li oc ene ▁age ▁off ▁the ▁coast s ▁of ▁South ▁Africa ▁( B anz are ▁Bank ) ▁and ▁Brazil ▁( S ão ▁Paulo ▁R idge ). ▁ ▁System at ics ▁ ▁Two ▁species ▁are ▁known , ▁A . ▁cer at opsis ▁and ▁A . ▁g rac ilis . ▁Both ▁are ▁distinguished ▁by ▁their ▁c ran ial ▁proport ions , ▁with ▁A . ▁g rac ilis ▁having ▁a ▁more ▁sl ender ▁sk ull ▁than ▁A . ▁cer at opsis . ▁ ▁References ▁▁ ▁Category : Z i phi ids ▁Category : Pre histor ic ▁cet ace an ▁gener a ▁Category : M i oc ene ▁cet ace ans ▁Category : M i oc ene ▁m amm als