`` The current approach is not safe enough , '' the head of the NTSB says . In '07 , FAA said fire-safety upgrades too expensive based on cost/benefit analysis . FAA officials said they would carefully evaluate the NTSB 's recommendations . NTSB : Industry has focused little on developing fire-resistant containers . *
`` The current approach is not safe enough , '' the head of the NTSB says . In '07 , FAA said fire-safety upgrades too expensive based on cost/benefit analysis . NTSB : Industry has focused little on developing fire-resistant containers . *