NTSB Identification: CHI82DA089
14 CFR Part 91: General Aviation
Accident occurred Saturday, March 06, 1982 in FREEMONT, MI
Probable Cause Approval Date: 03/06/1983
Aircraft: CESSNA 310, registration: N7661Q
Injuries: 2 Uninjured.

THE STUDENT WAS A RATED PILOT ON HIS FIRST INSTRUCTIONAL FLIGHT IN THIS AIRCRAFT. AFTER A PRACTICE ABORTED TAKEOFF, THE STUDENT APPLIED POWER TO START ANOTHER TAKEOFF. AT ABOUT THIS TIME, THE AIRCRAFT VEERED TO THE RIGHT. THE INSTRUCTORAPPLIED LEFT RUDDER AND CALLED FOR THE STUDENT TO CUT THE POWER; HOWEVER THE AIRCRAFT CONTINUED TO THE RIGHT AND STRUCK A SNOWBANK. DURING AN INVESTIGATION, THE RIGHT ENGINE WAS OPERATIONALLY CHECKED. WITH THE FUEL BOOST PUMPS OFF, IT FUNCTIONED NORMALLY. HOWEVER, WITH THE BOOST PUMP SWITCH IN THE HIGH POSITION, THE ENGINE WOULD NOT RESPOND PROPERLY WHEN THE THROTTLE WAS RETARDED FROM A HIGH POWER SETTING AND THEN RE-ADVANCED. THE FUEL FLOW REMAINED HIGH AND BLACK EMISSIONS CAME FROM THE EXHAUST SYSTEM. WHEN THE THROTTLE WAS RETARDED, THE ENGINE WOULD STOP RUNNING. THE LEFT ENGINE OPERATED NORMALLY DURING THE SAME CHECK. THE INSTRUCTOR SUSPECTED A MALFUNCTION OF THE FUEL PUMP PRESSURE SWITCH.

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

FUEL INJECTION CONTROL/SYSTEM..UNDETERMINED

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

SUPERVISION..IMPROPER..PILOT IN COMMAND(CFI)

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

ABORTED TAKEOFF..DELAYED..DUAL STUDENT


Contributing Factors

TERRAIN CONDITION..WET


Contributing Factors

TERRAIN CONDITION..SNOWBANK

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