NTSB Identification: CHI88LA053.
The docket is stored on NTSB microfiche number 35303.
Nonscheduled 14 CFR
Accident occurred Tuesday, January 26, 1988 in URBANA, IL
Probable Cause Approval Date: 03/30/1989
Aircraft: CESSNA T310R, registration: N5120J
Injuries: 4 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.

AFTER THE AIRCRAFT EXPERIENCED A COMPLETE ELECTRICAL FAILURE THE GEAR WAS EXTENDED MANUALLY AND A PRECAUTIONARY LANDING WAS MADE. ON ROLL OUT THE LANDING GEAR COLLAPSED. SUBSEQUENT INVESTIGATION REVEALED THAT 10 TURNS REMAINED ON THE MANUAL GEAR EXTENSION CRANK TO PLACE THE LANDING GEAR IN THE DOWN AND LOCKED POSITION. NO MECHANICAL PROBLEM COULD BE FOUND TO ATTRIBUTE TO THE LOSS OF ELECTRICAL POWER, OTHER THAN A LOW BATTERY CONDITION AS THE ENTIRE ELECTRICAL SYSTEM FUNCTIONED NORMALLY. POSITION OF THE BATTERY SWITCH AND THE LEFT AND RIGHT ALTERNATOR SWITCHES AT THE TIME OF THE ACCIDENT COULD NOT BE VERIFIED.

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

EMERGENCY PROCEDURE..IMPROPER..PILOT IN COMMAND

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

GEAR DOWN AND LOCKED..NOT ATTAINED..PILOT IN COMMAND


Contributing Factors

ELECTRICAL SYSTEM,BATTERY..FAILURE,TOTAL



Contributing Factors

ELECTRICAL SYSTEM,BATTERY..EXHAUSTION

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