NTSB Identification: LAX94LA340.
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Accident occurred Saturday, August 27, 1994 in OAKDALE, CA
Probable Cause Approval Date: 07/24/1995
Aircraft: BEECH D95A, registration: N4835J
Injuries: 1 Fatal,1 Serious.

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

THIS WAS THE STUDENT'S FIRST FLIGHT IN A MULTIENGINE FLIGHT TRAINING COURSE. AFTER 3 TAKEOFFS & LANDINGS AT THE AIRPORT, THE FLIGHT DEPARTED THE AREA, THEN RETURNED A FEW MINUTES LATER. WHEN THE CFI TRANSMITTED THEIR POSITION, A GROUND-BASED WITNESS (ALSO A MULTI-ENGINE CFI) HEARD THE SOUND OF A GEAR WARNING HORN IN THE BACKGROUND. THE WITNESS OPINED THAT THE FLIGHT WAS PRACTICING A SINGLE ENGINE APPROACH. THE WITNESS OBSERVED THE AIRCRAFT DESCEND TO ABOUT 30' AGL AS IT OVERFLEW THE APPROACH END OF THE RUNWAY, THEN ENTER A SHALLOW CLIMBOUT. BEFORE REACHING THE DEPARTURE END OF THE RUNWAY, THE AIRCRAFT ENTERED A LEFT BANK. THE BANK ANGLE GRADUALLY INCREASED UNTIL BECOMING VERTICAL, AND THE AIRCRAFT CRASHED INTO A FIELD NEXT TO THE AIRPORT. AN EXAM OF THE WRECKAGE REVEALED NO PREIMPACT MECHANICAL MALFUNCTION. THE LEFT & RIGHT FUEL TANK SELECTORS WERE FOUND IN THE 'OFF' & 'MAIN TANK' POSITIONS, RESPECTIVELY. THE LEFT PROPELLER APPEARED TO HAVE BEEN IN THE FEATHER POSITION, THE RIGHT PROPELLER WAS TWISTED & BENT. THE CFI HAD GIVEN ABOUT 8 HOURS TOTAL OF MULTIENGINE INSTRUCTION (TO ANOTHER STUDENT) DURING THE 2.5 WEEKS SINCE HAVING BEEN ISSUED A MULTIENGINE INSTRUCTOR PILOT CERTIFICATE.

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

IMPROPER IN-FLIGHT PLANNING/DECISION BY THE FLIGHT INSTRUCTOR (CFI), AND THE CFI'S INADEQUATE SUPERVISION BY NOT ASSURING THAT THE MINIMUM CONTROL SPEED (VMC) WAS MAINTAINED. A FACTOR RELATED TO THE ACCIDENT WAS: THE CFI'S LACK OF EXPERIENCE IN MULTI-ENGINE INSTRUCTIONAL TRAINING.

Full narrative available

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