Rockwell S2R

Grangeville, ID — May 24, 2019

Event Information

DateMay 24, 2019
Event TypeACC
NTSB NumberGAA19CA283
Event ID20190528X43232
LocationGrangeville, ID
CountryUSA
Coordinates45.92111, -116.21778
Highest InjuryNONE

Aircraft

MakeRockwell
ModelS2R
CategoryAIR
FAR Part091
Aircraft DamageSUBS

Conditions

Light ConditionDAYL
WeatherVMC

Injuries

Fatal0
Serious0
Minor0
None1
Total Injured0

Event Location

Probable Cause

The pilot's exceedance of the airplane's critical angle of attack while turning at low altitude, which resulted in an aerodynamic stall.

Full Narrative

The pilot reported that, during a practice agricultural application flight with water, after overflying the field, he pulled up hard to avoid a tall tree. He leveled out for about ¾ of a mile to build airspeed and initiated a turn to overfly the field again. During the turn the airplane began to buffet, and the pilot knew it was a "pending stall." He pushed the stick forward, descended, so he pulled back on the stick again and the airplane buffeted again. He pushed the stick forward again, the main landing gear tires contacted the ground and the airplane became airborne again. The airplane approached power lines, the pilot banked left, the airplane "lost air speed" and aerodynamically stalled, and impacted the ground.

The airplane sustained substantial damage to the left and right wing.

The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.

The automated weather observation station, located about 4 miles east of the accident site, reported that, about 5 minutes after the accident, the wind was from 270° at 4 knots. The pilot reported that after he exited the airplane, he realized that there was a tailwind at an estimated speed of 10 to 15 mph. The pilot was flying to the east.

About This NTSB Record

This aviation event was investigated by the National Transportation Safety Board (NTSB). NTSB investigates all U.S. civil aviation accidents to determine probable cause and issue safety recommendations to prevent future accidents.

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