In March, the FAA issued a final rule mandating fire detection and suppression systems in 3,700 passenger and cargo aircraft. As a result, the Board removed that issue from the list. Other issues were removed from the list because the NTSB documented substantial safety progress. Although they are no longer on the priority list, NTSB continues to monitor these recommendations until action is completed. The Board noted progress in fishing vessel safety and a decline in accident and death rates.
Aircraft wake vortex turbulence.
New aircraft weight classifications and separation distances behind other jets have been implemented. Administrative revocation of drivers licenses. Forty states have enacted laws to revoke drivers' licenses for refusing to take or for failing a chemical test for alcohol. School bus safety. Major improvements have been made in school bus fire safety, emergency exits and school bus design.