Accident Cessna 177RG N7747V, Tuesday 23 March 1993

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Date:	Tuesday 23 March 1993
Time:	02:45 LT
Type:	Cessna 177RG
Owner/operator:	Robert E Dunn
Registration:	N7747V
MSN:	177RG0908
Year of manufacture:	1976
Engine model:	Lycoming IO-360-A1B6D
Fatalities:	Fatalities: 0 / Occupants: 4
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Corry, PA - United States of America
Phase:	Landing
Nature:	Private
Departure airport:	Erie, PA (KERI)
Destination airport:
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
THE PILOT REPORTED THAT IT WAS A DARK NIGHT, AND HE WAS PRACTICING TAKEOFFS AND LANDINGS FROM THE RIGHT SEAT TOWARDS ATTAINING HIS FLIGHT INSTRUCTOR CERTIFICATE. HE STATED THAT HE MADE A NORMAL APPROACH AND TOUCHDOWN ON THE CENTERLINE, BUT DURING THE LANDING ROLL THE RIGHT WING STRUCK A SNOWBANK OFF THE RIGHT SIDE OF THE RUNWAY AND THE RIGHT MAIN GEAR COLLAPSED. THE PILOT REPORTEDLY HAD 1 HOUR OF DUAL FROM THE RIGHT SEAT. THE RUNWAY HAD BEEN PLOWED 70 FEET OF THE 75 FOOT WIDTH, WITH THE RUNWAY SURFACE GENERALLY BARE. THE PLOWED SNOW WAS APPROXIMATELY 4 TO 5 FEET HIGH, AND WAS PLACED BETWEEN THE EDGES OF THE RUNWAY AND THE ROW OF RUNWAY LIGHTS.

Probable Cause: FAILURE OF THE PILOT TO MAINTAIN RUNWAY ALIGNMENT DURING THE LANDING ROLL. FACTORS RELATED TO THE ACCIDENT WERE: DARKNESS, THE PILOT'S LACK OF VISUAL CUES DUE TO THE RUNWAY LIGHTS BEING OBSCURED BY THE PLOWED SNOW, AND FAILURE OF AIRPORT PERSONNEL TO ISSUE A NOTAM.

Accident investigation: