Former pilot: In-flight explosion likely caused Philly crash

NTSB releases preliminary report on deadly Philadelphia plane crash

Early Analysis: Learjet 55 Medevac Crash in Philadelphia, PA

Philadelphia plane crash: NTSB releases new findings | LiveNOW from FOX

Officials work to determine cause of medical transport plane crash in Philadelphia

Philadelphia Medical Jet Crash: What Caused It? NEW NTSB Video

Philadelphia plane crash: 6 months later

How can investigators find the cause of the plane crash in Philadelphia? Fmr. investigator explains

Medical Helicopter Crashed In Neighborhood Just Outside Philadelphia

Pilot in Pennsylvania helicopter crash identified, still recovering from injuries

BREAKING watch plane crash in Philadelphia

Witness describes helicopter crash near miss

Investigation underway in Philadelphia news helicopter crash that killed two

Philadelphia plane crash: What we're learning about the victims

LISTEN: Audio before the Philadelphia plane crash

NTSB Drops SHOCKING Findings Philadelphia Medjet Crash

Helicopter Crash near Philadelphia Church

NTSB releases new findings about plane crash in Northeast Philadelphia

Dashcam captures small jet crash in Northeast Philadelphia

Danial Moore, Hero Pilot From Drexel Hill Helicopter Crash, Released From Philadelphia Hospital