NTSB Identification: MKC87FA035.
The docket is stored on NTSB microfiche number 34212.
Accident occurred Wednesday, December 24, 1986 in OLATHE, KS
Probable Cause Approval Date: 02/03/1988
Aircraft: CESSNA 414A, registration: N414LL
Injuries: 1 Serious.

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 STATED THAT THIS WAS NOT A CHARTER FLT AND, AS SUCH, HE DECIDED TO ATTEMPT THE LOC 17 APCH TO OLATHE EVEN THOUGH THE AREA WAS FORECASTING ZERO-ZERO CONDITIONS. ACCORDING TO THE PLT, THE LAST THING HE REMEMBERS DURING THE FLT IS BRACKETING THE LOC AND READING 1,600 FT ON THE ALTIMETER.SUBSEQUENTLY, THE PLT FURTHER STATED, HE REMEMBERS BEING ON THE GROUND INSIDE THE WRECKAGE, MITIGATING THE INJURIES SUFFERED AND TRYING TO STAY WARM. A POST-ACCIDENT INVEST REVEALED THAT THE ACFT WAS TO THE LEFT OF THE LOCALIZER COURSE WHEN IT STRUCK TWO TREES 12 FT AGL (1,062 FT MSL), WHILE IN A 30 DEG RIGHT BANK. THE ACFT MADE A FLAT 360 RIGHT PIROUETTE OVER SOME SMALL TREES, TEARING OFF THE LEFT WING BEFORE IMPACTING THE GRND AND SLIDING APRX 600 FT. A POST-CRASH FIRE ERUPTED FROM THE RIGHT WING TANK BUT IT EXTINGUISHED ITSELF. A DOT FAA OPERATIONAL FLT TEST FOUND THE LOCALIZER TO BE WITHIN LIMITS. A LEAK CHECK OF THE ACFT STATIC SYSTEM AND A BENCH CHECK OF BOTH ALTIMETERS WERE SATISFACTORY.

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

IFR PROCEDURE..NOT FOLLOWED..PILOT IN COMMAND

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

MINIMUM DESCENT ALTITUDE..NOT MAINTAINED..PILOT IN COMMAND

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

MISSED APPROACH..NOT PERFORMED..PILOT IN COMMAND

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

FUEL SYSTEM,TANK..BURST


Contributing Factors

WEATHER CONDITION..FOG


Contributing Factors

LIGHT CONDITION..DARK NIGHT



Contributing Factors

IN-FLIGHT PLANNING/DECISION..IMPROPER..PILOT IN COMMAND


Contributing Factors

NOT PERFORMED..PILOT IN COMMAND

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