No mention of pilot intoxication in NTSB report.
"The National Transportation Safety Board determines that the probable cause of this accident was fuel exhaustion and total loss of power from both engines due to crew inattention to fuel supply. Contrlbuting to the fuel exhaustion were lnadcquate Flight planning and an engine malfunction of undetermined nature in the right:engine which resulted in higher-than-normal fuel consumption. "
http://libraryonline.erau.edu/online-full-text/ntsb/aircraft-accident-reports/AAR78-06.pdf
"The National Transportation Safety Board determines that the probable cause of this accident was fuel exhaustion and total loss of power from both engines due to crew inattention to fuel supply. Contrlbuting to the fuel exhaustion were lnadcquate Flight planning and an engine malfunction of undetermined nature in the right:engine which resulted in higher-than-normal fuel consumption. "
http://libraryonline.erau.edu/online-full-text/ntsb/aircraft-accident-reports/AAR78-06.pdf