Thursday, February 23, 2017

Stinson 108-2, N9277K: Accident occurred February 20, 2017 at Porter County Regional Airport (KVPZ), La Porte, Indiana

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Des Plaines, Illinois

Aviation Accident Final Report - National Transportation Safety Board: 

Investigation Docket - National Transportation Safety Board:

Aviation Accident Data Summary - National Transportation Safety Board:

NTSB Identification: GAA17CA153 

NTSB Identification: GAA17CA153
14 CFR Part 91: General Aviation
Accident occurred Monday, February 20, 2017 in Valparaiso, IN
Probable Cause Approval Date: 07/20/2017
Aircraft: STINSON 108, registration: N9277K
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.

The pilot of the tailwheel-equipped airplane reported that, during landing, as the tail came down, a “sizable gust weathervaned” the airplane to the left. He added that, he “made aggressive inputs to correct the direction” but was unsuccessful. He further added that, once the airplane veered off the runway and into the grass, he could feel the mains begin to sink into the soft ground. Subsequently, the airplane nosed over. 

The airplane sustained substantial damage to the right wing lift struts and empennage. 

The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. 

A review of recorded data from the automated weather observation station located on the airport revealed that, about 16 minutes after the accident, the wind was from 170° at 9 knots. The airplane landed on runway 18. 

The National Transportation Safety Board determines the probable cause(s) of this accident as follows:
The pilot’s failure to maintain directional control while landing with a crosswind.

WASHINGTON TOWNSHIP — A wind gust caught the wings of a single-engine airplane Monday morning, causing it to roll over after landing at the Porter County Regional Airport.

The 1947 Stinson model 108-2 landed just before 10 a.m. on runway 18/36, with all wheels down, when a strong west wind pushed the plane off the roadway, causing it to rollover, according to the Porter County Sheriff's Department.

Airport director Kyle Kubler said the forecast called for winds from the south at nine knots per hour, making the winds run down the runway.

Kubler said the pilot reported landing on all three wheels of the vintage airplane, but that the airplane "weathervaned into the wind," meaning a gust of wind switched the direction of the plane, causing it to veer off the runway and flip. Kubler said the airplane was a tail dragger, meaning the third wheel is at the tail of the plane instead of on the front.

Carl Lane, 54, of Kouts, who possesses a valid pilot's license, was uninjured in the incident.

The FAA will be handling the investigation. In addition to the Sheriff's Department, Washington Township Fire Department and Porter EMS responded to the incident.


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