Aviation Accident Summaries

Aviation Accident Summary SEA88LA172

CALDWELL, ID, USA

Aircraft #1

N67Y

YOUNG-OWENS CASSUTT 3M

Analysis

ON TEST FLT IN PREPARATION FOR RENO AIR RACES, PLT ENTERED POWER DIVE AT 10000 FT TO 230 KTS AND EXPERIENCED VIBRATIONS. HE REDUCED POWER AND ENTERED A STEEP NOSE HIGH CLIMB ALLOWING THE AIRCRAFT TO DECELERATE TO NEAR STALL SPEED. THE VIBRATION CONTINUED. AT THE TOP OF THE CLIMB, THE AIRCRAFT NOSED OVER TO A STEEP DESCENT AND WOULD NOT RESPOND TO ELEVATOR CONTROL INPUT. THE PLT PARACHUTED TO SAFETY. IMPACT DAMAGE PRECLUDED MEANINGFUL EXAMINATION OF THE AIRCRAFT CONTROLS. THERE WAS NO SEPARATION OF THE HORIZONTAL TAIL COMPONENTS.

 

Source: NTSB Aviation Accident Database

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