These had fallen to earth about two miles east of the wreckage site.
The discovery wound up to be the most intensely worked wreckage site, the one investigators believed might hold a key.
The plane's engines subsequently separated in flight and fell several blocks north and east of the main wreckage site.
Dr. Anand's plane crashes causing both to return to the wreckage site.
He said it could ruin biological studies at the Palmer Station, operated by the foundation two miles from the wreckage site.
"Did you find any survivors at the wreckage site?"
He pushed the throttles on his sub and swept toward the wreckage site.
Chant had already been sent to the bottom by aerial bombs when the Italian squadron found her still smoldering wreckage site.
The wreckage site was added to the National Register of Historic Places in 2008.
The wreckage site is a popular location for historians, archaeologists and divers.