On August 2, 1986, a Grumman G-164A (registration N8677H) was involved in an aviation accident near Hugoton, KS. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
An aircraft experienced an unexplained engine failure shortly after takeoff, leading to a hard impact and the plane flipping over. No mechanical defects were found during subsequent inspections.
What happened
The pilot in command reported that the engine ceased operation approximately 100 feet above ground level and 200 yards past the departure end of the runway. The pilot indicated there was no prior warning before the engine quit. The aircraft descended to the ground, impacting hard and subsequently flipping over into an inverted position.
The investigation
A follow-up examination of the engine did not reveal any mechanical malfunctions.