The pilot of the private jet that crashed early Thursday morning in Tierrasanta, killing all six people on board and injuring eight people on the ground, did not declare an emergency or call in any type of mechanical issue with the plane before it clipped a power line and slammed into a residential street, federal authorities said Friday.

The investigation will continue Friday into why a Cessna 550 plunged into a Murphy Canyon neighborhood, killing all six aboard the plane.

In the dark stillness of night, a quiet, tree-lined street in a San Diego neighborhood was plunged into tragedy when a plane clipped a main power line and crashed onto the street — turning cars into fireballs and sending hundreds of residents fleeing in a haze of smoke and confusion.

A number of resources are available for people forced to evacuate a neighborhood in San Diego following a deadly plane crash in the area early Thursday morning.

A private plane struck power lines in foggy conditions, causing a fire and injuries, as investigators seek answers.