Probable Cause: The failure of the nose oil seal to remain secure in the engine crankcase, which resulted in a loss of engine oil and partial loss of engine power.
NTSB Accidents
Takeoff with Quartering Tailwind Goes Awry
Probable Cause: The pilot’s decision to take off with a quartering tailwind and his subsequent failure to maintain directional control. Contributing to the accident was the pilot’s improper elevator control inputs during takeoff.
CFI Takes Control During Landing, Then Loses Control
Probable Cause: The flight instructor’s failure to maintain adequate airspeed during landing which resulted in a loss of directional control and runway excursion. Contributing to the accident was the pilot receiving instructions failure to maintain runway alignment.
Flight After Maintenance Bends Bellanca
Probable Cause: Maintenance personnel’s failure to properly secure the oil filter adapter when replacing the oil filter adapter gasket which resulted in the filter becoming loose, resulting in the loss of engine oil, and the subsequent total loss of engine power.
Four Seriously Injured When Fuel Starvation Leads to Accident
Probable Cause: The pilot’s mismanagement of the fuel supply, which resulted in a loss of engine power on the left engine due to fuel starvation.
Pilot Crashes After Ignoring Go/No-Go Decision Point
Probable Cause: The pilot’s inadequate preflight planning and failure to abort the takeoff at the predetermined decision point.
Delayed Use of Carb Heat Leads to Accident That Seriously Injures Pilot
Probable Cause: The pilot’s delayed use of carburetor heat which resulted in the loss of engine power due to carburetor icing.
Overloading Of Landing Gear Bends Piper
Probable Cause: An overloading of the landing gear push/pull cable rod ends, which resulted in the landing gear being seized in an intermediate position during the subsequent landing.
Hard Landing Bends Piper, Breaks Runway Lights
Probable Cause: The pilot’s failure to maintain a proper descent rate during the final approach, resulting in a hard landing and collision with runway edge lights.









