NONE · Zenair ZENITH STOL CH750 · 2018-08-11 · Napa, CA, USA
Event
NTSB number
WPR18TA223
Event ID
20180811X71550
Type
Accident
Date
2018-08-11
Location
Napa, CA, USA
Coordinates
38.2, -122.291664
Injuries
Highest injury
NONE
Fatal
0
Serious
0
Minor
0
Uninjured
2
Total aboard
2
Aircraft
Make
Zenair
Model
ZENITH STOL CH750
Registration
N328SK
FAR Part
091
Engines
1
Damage
SUBS
Conditions
Light
DAYL
Weather
VMC
Probable cause
The pilot's use of fuel below the required octane rating, which caused engine detonation and damage and subsequently led to oil exhaustion and a total loss of engine power in flight. Contributing to the accident was the pilot's inadequate service/maintenance of the airplane.