The pilot , Captain Richard J. Ashby , and his navigator , Captain Joseph Schweitzer , were put on trial Legality in the U.S. and found Coming_to_believe not guilty of involuntary manslaughter Killing and negligent homicide Killing .

A telegraph operator , Alfred John `` Jack '' Atherton , was charged Judgment_communication with manslaughter ; the Crown alleged Statement that he was negligent in passing Motion_directional an incomplete message .