NTSB Identification: DEN90FA041.
The docket is stored on NTSB microfiche number 40662.
Accident occurred Friday, January 12, 1990 in TOM'S PLACE, CA
Probable Cause Approval Date: 12/10/1990
Aircraft: CESSNA 182P, registration: N5831J
Injuries: 3 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE PLT HAD A CABIN NR MAMMOTH/JUNE LAKES ARPT & OFTEN FLEW THERE ON WEEKENDS. WHILE ON A NGT FLT, HE COMMUNICATED WITH AN OUTBOUND CARGO PLT, WHO WARNED OF HVY SNW FALL & POOR VIS AT THE ARPT. WHILE CONVERSING, THE PLT OF N5831J REPLIED, 'OH DEAR, MY CAR IS UP THERE.' THE CARGO PLT AGAIN WARNED THAT HE DOUBTED IF N5831J COULD LND AT THE ARPT. A WORKER, WHO LEFT THE ARPT AT 2030 PST, NOTED THE RWY LGTS CAME ON AS HE WAS DRIVING HOME. HE BELIEVED THE LGTS WERE ACTIVATED BY A PLT (BY KEYING THE MIKE 5 TIMES ON UNICOM FREQ). THREE WITNESSES SAW THE ACFT (OR ACFT LGTS) AT ABOUT THE TIME IT CRASHED. IMPACT OCCURRED IN A LEFT WING LOW, NOSE DWN ATTITUDE. ONE WITNESS THOUGHT THE ACFT WAS TURNING OR ARCING WHEN IT CRASHED. ANOTHER WITNESS ESTIMATED THERE WAS A 100' CEILING WITH SNW FALLING ON A DARK NGT. IMPACT WAS ABOUT 1 MI FM A HIWAY BTN MAMMOTH LAKES & BISHOP, CA (ABT 10 MI SE OF MAMMOTH/JUNE LAKES ARPT & 17 MI NW OF BISHOP ARPT). NO PREIMPACTPART FAILURE/MALFUNCTION OF THE ACFT OR ENG WAS FND. THERE WAS NO PUBLISHED INST APCH PROC AT MAMMOTH/JUNE LAKES ARPT.

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

CONTINUED FLIGHT BY THE PILOT INTO INSTRUMENT METEOROLOGICAL CONDITIONS (IMC), AND HIS FAILURE TO MAINTAIN SUFFICIENT ALTITUDE ABOVE THE GROUND. FACTORS RELATED TO THE ACCIDENT WERE: DARK NIGHT, ADVERSE WEATHER CONDITIONS, SELF INDUCED PRESSURE, AND SPATIAL DISORIENTATION.

Index for Jan1990 | Index of months