NTSB Identification: SEA84FA223.
The docket is stored on NTSB microfiche number 26636.
Accident occurred Friday, September 07, 1984 in SKAMANIA, WA
Aircraft: CESSNA T210M, registration: N191WB
Injuries: 2 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.

A WITNESS, LOCATED 3 MI SE OF THE ACCIDENT SITE, REPORTED HEARING THE ACFT 'REV UP TO A SCREAM FOLLOWED BY A CRASH THAT SOUNDED LIKE A MINIATURE SONIC BOOM.' THE ACFT CONTACTED THE TERRAIN IN AN UNCONTROLLEDD DESCENT AT AN ELEV OF 2100 FT MSL. INSPECTION OF THE WRECKAGE REVEALED THE HORIZONTAL STABILIZER AND LEFT WING HAD SEPARATED FROM THE ACFT. THE SEPARATED OUTBOARD SECTION OF THE LEFT WING WAS NOT LOCATED. METALLURGICAL EXAM OF THE REMAINING PORTION OF THE LEFT WING SPAR DISCLOSED A FAILURE 'TYPICAL OF OVERSTRESS.' THE NEAREST WX REPORTING STATION, TROUTDALE, OR, LOCATED 13 NM SW OF THE ACCIDENT LOCATION AT AN ELEV OF 30 FT MSL HAD A 1845 PDT OBSERVATION OF: 2500 FT SCATTERED, E4000 FT OVERCAST WITH 20 SM VIVIBILITY.

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

DESIGN STRESS LIMITS OF AIRCRAFT..EXCEEDED..PILOT IN COMMAND

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

AIRCRAFT HANDLING..NOT MAINTAINED..PILOT IN COMMAND

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

SPATIAL DISORIENTATION..PILOT IN COMMAND

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

VFR FLIGHT INTO IMC..ATTEMPTED..PILOT IN COMMAND



Contributing Factors

WEATHER CONDITION..LOW CEILING





Contributing Factors

LACK OF TOTAL INSTRUMENT TIME..PILOT IN COMMAND

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