你可能感興趣的試題

Which signal is recognized as a distress signal?（）.

A.Directing the beam of a searchlight at another vessel
B.A smoke signal giving off orange colored smoke
C.A whistle signal of one prolonged and three short blasts
D.International Code Signal PAN spoken over the radiotelephone

單項(xiàng)選擇題

A RADIO SIGNAL FROM A DISTRESSED VESSEL AUTOMATICALLY DIRECTED TO A RCC GIVING POSITION，IDENTIFICATION，COURSE AND SPEED OF THE VESSEL AS WELL AS THE NATURE OF DISTRESS is known as（）.

A.Distress alert
B.Safety alert
C.Emergency alert
D.General alert

（）is the most visible signal of distress from a lifeboat at sea in the daytime.

你可能感興趣的試題

Which signal is recognized as a distress signal?（）.

A RADIO SIGNAL FROM A DISTRESSED VESSEL AUTOMATICALLY DIRECTED TO A RCC GIVING POSITION，IDENTIFICATION，COURSE AND SPEED OF THE VESSEL AS WELL AS THE NATURE OF DISTRESS is known as（）.

A RADIO SIGNAL FROM A DISTRESSED VESSEL AUTOMATICALLY DIRECTED TO A RCC GIVING POSITION，IDENTIFICATION，COURSE AND SPEED OF THE VESSEL AS WELL AS THE NATURE OF DISTRESS is known as（）.