Investigation underway into deadly Learjet crash in Philadelphia

A Learjet 55 crashed shortly after takeoff from Northeast Philadelphia Airport on January 31, killing all six onboard and injuring others on the ground. The cause of the crash remains unclear, leaving aviation experts puzzled. Initial reports suggested potential pilot error or mechanical failure, but the pilots were qualified, and the aircraft had no prior issues. The jet's rapid descent and high speed raised questions about its control and possible mechanical malfunctions. Investigators from the National Transportation Safety Board are examining the wreckage and cockpit voice recorder to determine the cause. The incident has sparked various conspiracy theories, but experts emphasize the need for thorough investigation before drawing conclusions.