NTSB Identification: NYC06FA029.
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Accident occurred Wednesday, November 09, 2005 in Leesburg, VA
Probable Cause Approval Date: 08/29/2006
Aircraft: Piper PA-28-161, registration: N4171T
Injuries: 2 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.

The flight instructor and the student pilot were performing "touch and go" landings in the airport traffic pattern. The airplane had completed one circuit around the traffic pattern, and during the transition from landing to the second takeoff, the airplane rolled almost the entire length of the runway before leaving the ground. The airplane then banked steeply left, at a low altitude, and descended in a nose down attitude subsequently impacting trees and terrain. Examination of the wreckage revealed no evidence of any pre-impact failures or malfunctions. Toxicological testing of the flight instructor revealed the presence of marihuana. The extent to which this drug may have affected the instructor could not be determined. Toxicological testing of the student revealed the presence of a sedating over-the-counter antihistamine and a prescription antidepressant.

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

The flight instructor's failure to maintain airspeed, which resulted in an inadvertent stall and subsequent impact with trees and terrain.

Full narrative available

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