The NTSB will hold a media briefing at 5:30 pm EDT, Thursday, Aug. 20, on its in

The NTSB will hold a media briefing at 5:30 pm EDT, Thursday, Aug. 20, on its investigation into Wednesday's collision between a helicopter and an airplane in Carlisle, PA. NTSB investigator-in-charge Aaron McCarter will brief media in the parking lot of CEFC