Searching the hangarThat could be true, Sandy admitted. But he argued that the girl must have seen the captain take the stern life preserver to his cabin, and might have guessed, even observed through a cabin port, what he did. In that case she would have thrown over the life preserver knowing that her confederate would put it in the seaplane. And he had done exactly that!No, sirree! Captain Parks stated. Thats not the yacht property. It hasnt any marks on it at all.Sandy can have the run of my library, full of books on engineering and mechanicsand youll be learning while you help me get those emeralds and find out who flew the seaplane and who helped them on the yacht.