the feather system had been unlocked early by his co-pilot . Peter has talked to NTSB about the October 31 space plane disaster . He said he did n't know the system had been activated by his co - pilot . But that does n't explain why it started , which was moving another direction .
Peter has talked to NTSB about the October 31 space plane disaster . He said he did n't know the system had been activated by his co - pilot . But that does n't explain why it started , which was moving another direction .