NTSB Identification: LAX83IA036
14 CFR Part 91: General Aviation
Incident occurred Friday, November 19, 1982 in SANTA ANA, CA
Probable Cause Approval Date: 11/19/1983
Aircraft: CESSNA 172RG, registration: N6428V
Injuries: 1 Minor,2 Uninjured.

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

WHILE CRUISING AT 6500 MSL DURING A NIGHT CROSS COUNTRY, THE CABIN FILLED WITH SMOKE. THE PILOT DECLARED AN EMERGENCY AND LANDED AFTER SECURING ALL OF THE ELECTRICAL EQUIPMENT. THE PILOT REQUIRED HOSPITALIZATION DUE TO SMOKE INHALATION AND AN IRREGULAR HEARTBEAT. INVESTIGATION REVEALED THAT THE LANDING GEAR MOTOR HAD CONTINUED TO RUN AFTER THE GEAR WAS RETRACTED ON TAKEOFF. THE MOTOR HAD CONTINUED TO RUN DUE TO A FAILED PRESSURE SWITCH.

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

HYDRAULIC SYSTEM,PRESSURE REGULATOR..FAILURE,TOTAL

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