A <a href="https://en.wikipedia.org/wiki/Boeing_727" id="mw7A" rel="mw:WikiLink" title="Boeing 727">Boeing 727</a> operating as <a href="https://en.wikipedia.org/wiki/Iberia_Flight_610" id="mw7Q" rel="mw:WikiLink" title="Iberia Flight 610">Iberia Flight 610</a> crashes <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Mount_Oiz" id="mw7g" rel="mw:WikiLink" title="Mount Oiz">Mount Oiz</a> in Spain, killing 148; it is the deadliest accident to occur in <a href="https://en.wikipedia.org/wiki/Iberia_(airline)" id="mw7w" rel="mw:WikiLink" title="Iberia (airline)">Iberia</a>'s history and the deadliest in <a href="https://en.wikipedia.org/wiki/Basque_Country_(autonomous_community)" id="mw8A" rel="mw:WikiLink" title="Basque Country (autonomous community)">Basque County</a> to occur.