Aviation Accident Summaries

Aviation Accident Summary DEN83FA156

WHEATLAND, WY, USA

Aircraft #1

N6850Z

PIPER PA-18-150

Analysis

DURING AN AERIAL APPLICATION MANEUVER, THE ACFT COLLIDED WITH THE GROUND. AN EXAM OF THE WRECKAGE INDICATED THAT IT IMPACTED IN A STEEP NOSE DOWN ATTITUDE WHILE ROTATING TO THE LEFT. THE FLAPS WERE FOUND EXTENDED 25 DEG & THE AIRSPEED GAGE WAS FOUND INDICATING 55 KTS. THE T-HANDLE FOR DUMPING THE CHEMICAL LOAD WAS FOUND IN THE STOWED POSITION & HAD NOT BEEN ACTIVATED. THE FUEL SELECTOR WAS POSITIONED TO THE RIGHT FUEL TANK & BOTH FUEL TANKS WERE FOUND WITH FUEL REMAINING. FLT CONTROL CONTINUITY WAS ESTABLISHED & THE THROTTLE WAS FOUND IN THE FULL FORWARD POSITION. NEITHER THE PLT NOR THE OWNER POSSESSED A CERTIFICATE TO CONDUCT AERIAL APPLICATIONS. ALSO, THERE WAS NO RECORD THAT THE PLT HAD OBTAINED KNOWLEDGE & SKILL TEST, REQUIRED BY 14 CFR 137. THE PLT HAD BEEN ISSUED A 2ND CLASS MEDICAL CERTIFICATE ON 10/23/79 WITH A LIMITATION TO WEAR CORRECTIVE LENSES. HOWEVER, NO GLASSES OR CONTACT LENSES WERE FOUND. THE DENSITY ALT WAS APPROX 7200 FT. REPORTEDLY, THE WINDS WERE STRONG & GUSTY.

 

Source: NTSB Aviation Accident Database

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