A plane called the Clipper Endeavor crashedcrashedL1坠毁crashed into the Atlantic Oceanocean/ˈoʊʃən/L1海洋，大海a very large area of salt water in 1952. It fell near Puerto Rico. The plane had 69 people on it, and only 17 lived. The enginesenginesL1发动机engines failed and people could not find their life vestsvestsL1护身符vests in time. EveryoneeveryoneL1所有人everyone had to get out of the plane very fast.
This crash changed flying so now all planes must give safetysafety/ˈseɪfti/L1安全，平安the state of being safe, not in danger talks on every flightflightL1逃离的行为the act of escaping physically. People learn where the exitsexitsL1出口exits are and how to use life vests on every plane. This makes flying safersaferL1更安全的safer for everyone in the worldworldL1世界；地球all of the living human inhabitants of the earth.
Russ Matthews foundfound/faʊnd/L1找到（find的过去式）past tense of 'find', to see or discover something after looking for it the plane 74 years later deep in the water. He used a special machinemachineL1四轮机动车辆。a motor vehicle with four wheels and took picturespicturesL1图片。pictures. He was happyhappyL1表达得很好，且直截了当。well expressed and to the point to find it but sad because the crashcrash/kræʃ/L1（飞机或汽车）撞毁，坠毁to hit something hard and make a loud noise, usually breaking or destroying something made flying safer.
