Deck 2014: Safety

1. A more than 6 short blasts and 1 long blast on the whistle,  and the same signal on the general alarm
2. B continuous sounding of the ship's whistle and the general alarm for at least 10 seconds
3. C 1 short blast on the whistle
4. D alternating short and long blasts on the ship's whistle

Tip: press A-D to answer