Aviation Accident Summaries

Aviation Accident Summary ATL90FA153

SOUTHPORT, NC, USA

Aircraft #1

N9239T

PIPER PA-18

Analysis

AFTER ENTERING AN INTENTIONAL SPIN MANEUVER, WITNESSES REPORTED THAT THE SPIN IMMEDIATELY BECAME 'FLAT'. THE SPIN CONTINUED FOR ABOUT 7 TO 8 TURNS PRIOR TO GROUND IMPACT. REPORTEDLY, THE NOSE DROPPED SLIGHTLY DURING THE LAST TURN OF THE SPIN. WEIGHT AND BALANCE CALCULATIONS INDICATE THAT THE AIRCRAFT SHOULD HAVE BEEN INSIDE UTILITY CATEGORY LIMITATIONS DURING THE ACCIDENT FLIGHT. THE REASON FOR THE SPIN BECOMING FLAT, AND THE PILOT'S FAILURE TO RECOVER CONTROL OF THE AIRPLANE WAS NOT DETERMINED.

Probable Cause and Findings

THE ENTRY INTO A FLAT SPIN WHICH PRECLUDED RECOVERY BY THE PILOT. THE REASON FOR THE SPIN BECOMING FLAT COULD NOT BE DETERMINED.

 

Source: NTSB Aviation Accident Database

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