casualty board

基本解释

Officials say they can't yet confirm the cause of what they are calling a "mass casualty event", or the number of people who were on board the trains.
相关官员称，他们还不能确认这场“重大灾难事件”的原因，也不能确认车上乘客的数量。
Article 5 The casualty of persons on board resulted from ship collision shall be the casualty of the third party as provided for in Paragraph 3 of Article 169 of the Maritime Law.
第五条因船舶碰撞发生的船上人员的人身伤亡属于海商法第一百六十九条第三款规定的第三人的人身伤亡。

There were 4, 229 people on board the vessel at the time of the casualty and while the tragic loss of life caused by this regrettable incident will rightly be the subject of forensic investigations for some time to come, it should not be forgotten that without the skilled response of the majority of the crew, the loss of life could have been far higher.
FORBES: Italian Cruise Ship Crew Honored For Bravery At Sea