No fatalities

19 Oct 2016: STINSON 108 3 — Boulder City, NV

Boulder City, NV, United States

On 19 Oct 2016, a STINSON 108 3 UNDESIGNAT was involved in an aviation accident near Boulder City, NV. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s failure to ensure that the aerial pickup towline was not entangled around the horizontal stabilizer after the banner pickup. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 1778583330Data APIEditorial standards

During initial climb after a banner pickup, the towline cable entangled with the right horizontal stabilizer and elevator, causing the airplane to pitch down, impact the ground, and nose over. Substantial damage was sustained to the right-wing lift strut and empennage.

Accident Sequence

In a telephone interview with the National Transportation Safety Board (NTSB) Investigator-in-Charge (IIC), the pilot recounted that during the initial climb following an aerial banner pickup, the towline cable became entangled with the right horizontal stabilizer and the right elevator. Shortly thereafter, the airplane pitched downward, struck the ground, and nosed over.

Examination

A postaccident examination of the aircraft revealed substantial damage to the right-wing lift strut and the empennage. No other damage items were noted beyond those specified.

Pilot Report

The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation. After multiple requests, the pilot did not return the NTSB Form 6120.1 Pilot/Operator Aircraft Accident/Incident Report.

Contributing factors

PilotAttain/maintain not possibleEffect on operation