NTSB Identification: DEN90LA124.
The docket is stored on NTSB microfiche number 41621.
Accident occurred Monday, June 04, 1990 in STURGIS, SD
Probable Cause Approval Date: 09/15/1992
Aircraft: CESSNA 150F, registration: N6418F
Injuries: 1 Serious.

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

THE PLT WAS SPRAYING HIS BROTHER'S FIELD WITH 2-4-D. HE MADE A WIDE RIGHT TURN TO START ANOTHER SPRAY RUN. THE BANK WAS TIGHTENED TO ALIGN THE ACFT WITH THE SWATH PATH. THE ACFT STALLED AND CRASHED. POST-CRASH INVESTIGATION REVEALED THE PLT HAD INSTALLED A SPRAY KIT ON THE ACFT, BUT HAD FAILED TO HAVE THE ACFT INSPECTED BY A CERTIFIED MAINTENANCE INSPECTOR. THERE WERE NO ENTRIES MADE IN THE MAINTENANCE LOG, AND NO FAA FORM 337 HAD BEEN COMPLETED. THE PLT DID NOT OBTAIN A 14 CFR 137 CERTIFICATE, AND ONLY HELD A STUDENT PLT CERTIFICATE.

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

PILOT INADVERTENTLY STALLING THE AIRPLANE. CONTRIBUTING TO THE ACCIDENT WAS THE PILOT'S LACK OF TOTAL EXPERIENCE.

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