Meaning of National Transportation Safety Board

Na'tional Transporta'tion Safe'ty Board"

Pronunciation: [key]
— U.S. Govt. U.S. Govt.
  1. an independent agency, created in 1975, that promotes safe transportation in the U.S. through accident investigations, studies, and recommendations. Abbr.: NTSB
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.