NTSB Identification: FTW83FA254.
The docket is stored on NTSB microfiche number 22622.
Accident occurred Monday, May 30, 1983 in HASKELL, TX
Aircraft: PIPER PA-28-180, registration: N5170S
Injuries: 5 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 ACFT CRASHED WHILE ON A FLT IN AN AREA WHERE THUNDERSTORM WARNINGS WERE IN EFFECT. THERE WERE NO KNOWN WITNESSES TO THE ACTUAL CRASH, BUT 2 OR 3 LOCAL RESIDENTS HEARD AN ACFT ENG AT ABOUT THE ESTIMATED TIME OF THE ACCIDENT. ONE RESIDENT ABOUT 1/4 MI FROM THE CRASH SITE STATED THAT HE HEARD THE ENG APRX 5 MIN AFTER A SEVERE THUNDERSTORM BEGAN. HE STATED THAT ABOUT 2 INCHES OF RAIN FELL IN 20 MIN, VISIBILITY WAS RESTRICTED & THERE WAS 'VERY HI WINDS.' A LOCAL RADIO STATION AT HASKELL, TX RECORDED WINDS OF 54 MPH DURING THE THUNDERSTORM. AN INVESTIGATION REVEALED THAT THE ACFT'S RIGHT WING & BOTH HORIZONTAL STABILATORS HAD SEPARATED IN FLT, THEN THE ACFT CRASHED IN A 70 TO 80 DEG NOSE DOWN, INVERTED, LEFT WING LOW ATTITUDE WHILE AT A HI RATE OF SPEED. THE WING & STABILATOR FAILURES WERE INDICATIVE OF OVERLOAD SEPARATION. ONE OF THE 5 OCCUPANTS IN THE 4 PLACE ACFT WAS A BABY.

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:

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


Contributing Factors

PLANNING/DECISION..IMPROPER..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..THUNDERSTORM




Contributing Factors

LACK OF TOTAL INSTRUMENT TIME..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..RAIN


Contributing Factors

WEATHER CONDITION..HIGH WIND


Contributing Factors

WEATHER CONDITION..TURBULENCE(THUNDERSTORMS)


Contributing Factors

WEATHER CONDITION..OBSCURATION

Index for May1983 | Index of months