航海英語航海圖書資料單項(xiàng)選擇題每日一練(2019.01.10)

來源：考試資料網(wǎng)

1 When a pilot is on board to pilot the vessel the Letter （） must be hoisted．

2 An inflatable liferaft should be manually released from its cradle by（）.

3 On a Mercator chart，1 nautical mile is equal to（）.

4 A report of casualty to a mobile offshore drilling unit must be made in writing to which office? （）

5 Pilot ladder is （） on port side．