Wednesday, August 17, 2016

PZL Swidnik PW-6U Glider, Cypress Soaring Inc., N212EC: Accident occurred August 14, 2016 in Llano, Los Angeles County, California

NTSB Identification: GAA16CA430
14 CFR Part 91: General Aviation
Accident occurred Sunday, August 14, 2016 in Llano, CA
Probable Cause Approval Date: 01/18/2017
Aircraft: PZL-SWIDNIK PW 6U, registration: N212EC
Injuries: 1 Uninjured.

NTSB investigators used data provided by various entities, including, but not limited to, the Federal Aviation Administration and/or the operator and did not travel in support of this investigation to prepare this aircraft accident report.

According to the glider pilot, while being towed during the takeoff roll, the glider encountered a bump and he heard a loud bang. He reported that he was contacted by radio and informed that the aft canopy had separated from the glider. The pilot recalled that although the glider controllability was normal he communicated with the tow airplane pilot, executed one pattern and landed the glider. The pilot reported that during the preflight inspection he failed to properly close and lock the two canopy latches for the aft canopy. The glider sustained substantial damage to the aft canopy and the vertical stabilizer.

The pilot reported that were no mechanical failures or anomalies with any portion of the glider that would have prevented normal flight operations.

The National Transportation Safety Board determines the probable cause(s) of this accident as follows:
The pilot’s failure to properly secure the two aft canopy latches during the preflight inspection, which resulted in the canopy separating from the glider during the takeoff roll and substantial damage to the vertical stabilizer.

Aviation Accident Factual Report - National Transportation Safety Board: http://app.ntsb.gov/pdf  

Docket And Docket Items - National Transportation Safety Board: http://dms.ntsb.gov/pubdms 

CYPRESS SOARING INC: http://registry.faa.gov/N212EC

NTSB Identification: GAA16CA430
14 CFR Part 91: General Aviation
Accident occurred Sunday, August 14, 2016 in Llano, CA
Aircraft: PZL-SWIDNIK PW 6U, registration: N212EC
Injuries: 1 Uninjured.

NTSB investigators used data provided by various entities, including, but not limited to, the Federal Aviation Administration and/or the operator and did not travel in support of this investigation to prepare this aircraft accident report.

According to the glider pilot, while being towed during the takeoff roll, the glider encountered a bump and he heard a loud bang. He reported that he was contacted by radio and informed that the aft canopy had separated from the glider. The pilot recalled that although the glider controllability was normal he communicated with the tow airplane pilot, executed one pattern and landed the glider. The pilot reported that during the preflight inspection he failed to properly close and lock the two canopy latches for the aft canopy. The glider sustained substantial damage to the aft canopy and the vertical stabilizer.

The pilot reported that were no mechanical failures or anomalies with any portion of the glider that would have prevented normal flight operations.

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