I would be really grateful for answers, and explanations, please!
20a: Bold Rose played with said stolen goods (8) R?S???R?
21a: A delivery vehicle at sea (6)
6d: Making a crash landing on the coast (7,7)
??N?I?? ?G????? Running aground??
16d: Destined never to be in good health?(3,5) ?L? ??T?E not sure about final "E"
Many thanks.