NTSB Identification: NYC99FA181.
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Accident occurred Saturday, July 24, 1999 in PALATINE, NY
Probable Cause Approval Date: 06/22/2000
Aircraft: Piper PA 22-135, registration: N8937C
Injuries: 1 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

One witness stated that he saw the airplane fly overhead, and enter a 'sharp' left turn, followed by a left 'tailspin.' Another witness stated the airplane '...made a sharp turn and went straight down.' A third witness stated that he observed the airplane make two complete circles, described as 'loopty loop(s),' but he did not specify a direction. The witness further stated that during the third circle, the airplane was too low to recover. The owner of the airplane stated that the pilot's brother lived near the accident site. He believed she may have been circling her brother's house. The owner further stated that the airplane was not equipped with a stall warning system. Toxicological testing of the pilot was conducted at the FAA Toxicology Accident Research Laboratory. According to the toxicology report, 0.187 (ug/ml, ug/g) of cocaine was detected in the blood.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

The pilot was impaired by an illegal drug, and entered an inadvertent stall/spin.

Full narrative available

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