Questions were also raised during Tuesday's hearing about the FAA's guidance for determining pilots' readiness to return to flying after suffering strokes. The board found the agency's guidance for medical certification in such cases inadequate, saying it doesn't address the risk of recurrence or recommend formal cognitive testing to check pilots for possible impairments. The board recommended that FAA address the issue.
Read more: Fairbanks Daily News-Miner - NTSB No definitive cause in plane crash that killed Alaska Sen Stevens
http://www.newsminer.com/view/full_story/13386713/article-NTSB--No-definitive-cause-in-plane-crash-that-killed-Alaska-Sen--Stevens-?