Accident Cessna 172RG N9439B, Saturday 21 January 1989

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Date:	Saturday 21 January 1989
Time:	11:50 LT
Type:	Cessna 172RG
Owner/operator:	University Of North Dakota
Registration:	N9439B
MSN:	172RG0822
Year of manufacture:	1981
Total airframe hrs:	4195 hours
Engine model:	Lycoming O-360-F1A6
Fatalities:	Fatalities: 0 / Occupants: 2
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Larimore, ND - United States of America
Phase:	Landing
Nature:	Training
Departure airport:	Grand Forks, ND (GFK
Destination airport:	(KGFK)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
THE CFI SAID THE STUDENT PLT WAS AT THE CONTROLS & WAS MAKING A TOUCH-&-GO LANDING ON RWY 12, WHICH WAS 2800 X 50 FT. THE WIND WAS FROM THE SOUTH AT 10 KTS. THE TRAINEE LANDED LONG, & BY THE TIME THE ACFT WAS RECONFIGURED FOR TAKEOFF, ONLY ABOUT 800 FT OF RWY WAS REMAINING. THE CFI THOUGHT THE TRAINEE WOULD STOP & TAXI BACK FOR TAKEOFF; HOWEVER, THE TRAINEE ADVANCED THE THROTTLE FOR TAKEOFF. AT THAT TIME, THE CFI TOOK THE CONTROLS, CLOSED THE THROTTLE & ATTEMPTED TO STOP. THE ACFT SLID TO THE LEFT ON THE PACKED SNOW & ICE COVERED RWY, COLLIDED WITH A SNOW BANK BESIDE THE RWY & NOSED OVER.

Probable Cause: INADEQUATE SUPERVISION BY THE FLIGHT INSTRUCTOR. FACTORS RELATED TO THE ACCIDENT WERE: FAILURE OF THE STUDENT PILOT TO ATTAIN A PROPER TOUCHDOWN POINT, HIS DELAY IN CONFIGURING THE AIRCRAFT & EXECUTING THE GO-AROUND, ICY/SNOWY RUNWAY CONDITIONS, AND THE SNOWBANK.

Accident investigation: