caused sixteen skydivers to drown
... that an air traffic controller's confusion of two planes' locations caused sixteen skydivers to drown after they unknowingly jumped over Lake Erie?
... that an air traffic controller's confusion of two planes' locations <b id="mwAlM"><a href="./1967_Lake_Erie_skydiving_disaster" id="mwAlQ" rel="mw:WikiLink" title="1967 Lake Erie skydiving disaster">caused sixteen skydivers to drown</a></b> after they unknowingly jumped over <a href="./Lake_Erie" id="mwAlU" rel="mw:WikiLink" title="Lake Erie">Lake Erie</a>?