21. The fairway has been ________ due to the temporary malfunction of the navigational marks.
(A) removed
(B) discontinued
(C) terminated
(D) suspended

17. 摩爾斯碼信號「‧‧‧‧‧(點、點、點、點、點)」，代表何信號？ (A) 5 (B) 0 (C) DECIMAL (D) ERROR

18. INMARSAT-C的二位數碼39代表何意義? (A) 要求醫療協助 (B) 要求海事協助 (C) 要求技術協助 (D) 告知通信時間

19. 船舶通信依「國際信號規則(ICS)」之規定，每一「單字母(single letter) 」均代表一完整的 信號(signal)。試問「my vessel is stop and making no way through the water」，是下列何「單字 母」之信號？ (A) M (B) S (C) T (D) U

20. 某船舶於「波羅的海」沿岸航行，誤闖某國軍事管制區。該輪嘗試退出該區，但是收到岸 上發出的摩爾斯“X”燈號，問其意義為何？ (A) You are dragging. (B) Stop carrying out your intentions and watch for my signals. (C) You should stop your vessel instantly. (D) I have a pilot on board.

22. Each lifebuoy shall be marked in block capitals of the Roman alphabet with the ________of the ship on which it is carried. (A) name and length (B) number and length (C) name and port of registry (D) number and port of registry

23. What lights shall be exhibited when towing and the length of tow, measuring from the stern of the towing vessel to the after end of the tow exceeds 200 meters? (A) Two masthead lights in a vertical line, sidelights, stern light and a towing light in a vertical line above the stern light. (B) Three masthead lights in a vertical line, sidelights, stern light and a towing light in a vertical line above the stern light. (C) Two masthead lights in a vertical line, sidelights and stern light. (D) Three masthead lights in a vertical line, sidelights and stern light.

24. Which of the MARPOL Annex stipulated the regulations for the prevention of pollution by harmful substances carried by sea in package form? (A) Annex II. (B) Annex III. (C) Annex IV. (D) Annex VI.

25. 下列何者不是飛機在收到水面船舶信號後回應信號收悉明暸之信號？ (A) 搖擺機翼 (B) 投放一個信號匣艙 (C) 閃爍落地燈或航行燈二次 (D) 摩爾斯燈號代碼“C”

26. 「國際信號規則（ICS）」之規定，配合「單字母（Single letter）」信號組合而成之「單 字母附輔助信號」代碼信號組，「緯度」可使用下列何項「單字母」後連接四個數字表示之？ (A) L (B) G (C) Z (D) T

27. 下列何者為字母“R”的摩斯碼？ (A) －－． (B) －．－ (C) ．－． (D) ．－－