` ` The current approach is not safe enough , '' the head of the agency says . In ' ' , FAA deemed fire - safety upgrades too expensive based on cost / benefit analysis . NTSB : FAA has focused little on developing fire - resistant containers . Three major container disaster studies yielded recommendations .
`` 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 . Three cargo plane disaster probes yielded recommendations .