| Which radio call-in plan is the most prudent? |
| A) There must be specific instructions for the designated responsible person to follow if your call does not come in on schedule. |
| B) The designated responsible person should be over 18 years of age. |
| C) The designated responsible person must be instructed to call the Coast Guard search and rescue authorities immediately if your call does not come in on schedule. |
| D) There must be a designated responsible person who will be available to receive your call at anytime. |
