The Cockpit Voice Recorder from Northwest flight 188, that overflew the Minneapolis-St Paul International/World-Chamberlain Airport, is displayed at the National Transportation Safety Board (NTSB) headquarters in Washington, Friday, Oct. 23, 2009 in Washington. AP Photo logo AP Photo 28 months ago

The Cockpit Voice Recorder from Northwest flight 188, that overflew the Minneapolis-St Paul International/World-Chamberlain Airport, is displayed at the National Transportation Safety Board (NTSB) headquarters in Washington, Friday, Oct. 23, 2009 in Washington.