NTSB Identification: DEN93LA023.
The docket is stored on NTSB microfiche number 47676.
Accident occurred Saturday, January 23, 1993 in GREELEY, CO
Probable Cause Approval Date: 10/13/1993
Aircraft: CESSNA 310L, registration: N3303X
Injuries: 2 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

DURING THE LANDING PHASE, AFTER CONDUCTING A SIMULATED SINGLE ENGINE APPROACH, THE STUDENT FAILED TO MAINTAIN CONTROL OF THE AIRCRAFT. THE INSTRUCTOR TOOK CONTROL AND DURING THE ATTEMPTED GO AROUND THE AIRCRAFT STRUCK SEVERAL SNOW BANKS AND THEN BECAME AIRBORNE. CONTACT WITH THE SNOW BANKS CAUSED DAMAGE TO ALL THREE LANDING GEAR AND BOTH PROPELLERS. AFTER ORBITING FOR APPROXIMATELY TWO HOURS AND FIFTY MINUTES, TO BURN OFF FUEL, AN EMERGENCY LANDING WAS MADE WHICH CAUSED DAMAGE TO THE LEFT TIP TANK, NOSE SECTION, AND MAIN FUSELAGE.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

POOR IN FLIGHT PLANNING AND DECISION MAKING BY THE FLIGHT INSTRUCTOR IN ALLOWING THE STUDENT TO PROGRESS TO A POINT WHERE A SAFE FLIGHT REGIMEN COULD NOT BE MAINTAINED. A FACTOR WAS: THE DUAL STUDENTS FAILURE TO MAINTAIN CONTROL OF THE AIRCRAFT.

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