Some notes:
Page 110 "The first of the next two bodies was one of the pilots..."
Page 112 "...Around noon a fishing boat had found the second pilot's body..."
Page 116 One of the pilots...were unaccounted for.
Page 141 Two pilots made the case for pilot error or drunkenness less likely.
Page 151 Why did they seem confused about the number of pilots?
Page 161 ...about find the second pilot's corpse yesterday...
I think the author lost track of his pilot count on that page 116 quote.
There was nothing lonelier than the shoes of a dead person, nothing quite so personal, so concrete, and useless. (pg. 195)