National Transportation Safety Board Washington, D.C. 20594 Safety Recommendation Mr. Michael Melaniphy President and Chief Executive Officer American Public Transportation Association 1600 K Street, NW Washington, D.C. 20006

摘要

The National Transportation Safety Board (NTSB) is an independent Federal agency charged by Congress with investigating transportation accidents, determining their probable cause, and making recommendations to prevent similar accidents from occurring. We are providing the following information to urge your organization to take action on the safety recommendation in this letter. The NTSB is vitally interested in this recommendation because it is designed to prevent accidents and save lives.