Sater Coot A-Amphib accident near San Andreas, CA

On November 23, 2012, a Sater Coot A-Amphib (airplane) was involved in an accident near San Andreas, CA. 1 person died. Damage to the aircraft: substantial.

Date
November 23, 2012
Place
San Andreas, CA
Aircraft
Sater Coot A-Amphib · Airplane
Injuries
1 fatal, 0 serious, 0 minor
Damage
Substantial
Position
38.146°N, 120.648°W
NTSB ID
20121123X21931

Official records · WPR13LA050

NTSB summary

HISTORY OF FLIGHT On November 23, 2012, about 1530 Pacific standard time, a Sater Coot A-Amphibian experimental amateur-built airplane, N8VS, was substantially damaged following a loss of control and impact with terrain while maneuvering near the Calaveras County-Maury Rasmussen Field Airport (CPU), San Andreas, California. The pilot, who was the sole occupant of the airplane, sustained fatal injuries. The personal flight was being operated in accordance with 14 Code of Federal Regulations (CFR) Part 91, and no flight plan was filed. Visual meteorological conditions prevailed for the local flight, which had departed CPU about five minutes prior to the accident. During the course of the investigation, the National Transportation Safety Board (NTSB) investigator-in-charge (IIC) received statements from three witnesses. Two of the witnesses were friends of the pilot and had flown with him on the day of the accident, and just prior to the accident flight. Witness #1, who is also a rated pilot, reported that he occupied the rear seat on the first flight of the day. He stated that during the flight the landing gear was left extended, the canopy was off, and that the accident pilot commented about how much more rudder was required to turn the airplane; the witness agreed, after he momentarily took control of the airplane. Subsequent to landing uneventfully and refueling, witness #1 stated that the accident pilot then flew a second flight at about 1420 with witness #2; he observed that the canopy was attached for this flight, but the landing gear remained extended. The witness reve

Probable cause

The pilot's excessive flight control inputs, which led to flight that exceeded the structural limits of the airplane and resulted in structural failure of both wings.

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