Regarding the minimum personnel requirements of GMDSS ships operating in sea area A1, which one is correct?

Regarding the minimum GMDSS personnel requirement of ships with Duplication of Equipment method operating in sea area A3, which one is correct?

The task of ______ can not be executed by the holder of GMDSS General Operator's Certificates.

The task of ______ can not be executed by the holder of Restricted Operator's Certificates.

The task ______ can not be executed by the holder of a general operator license under GMDSS.

Distress message may be relayed on the ______ when the RCC considers it's necessary.

Which one of the following steps should be taken, if possible, when the vessel must be abandoned because of a distress situation?

What final place is a distress call/message routed to?

A distress alert can be relayed from an RCC by ______.

______ is rapid and successful reporting of a distress incident to a unit which can provide or coordinate assistance.

According to the radio regulation, vessels in distress ______ indicate their own position by any method.

All stations which receive a distress alert shall immediately cease ______.

Why do some stations keep silent?

The medical message should be preceded by the word ______.

Distress alerts should always be acknowledged ______.