Casualties unknown

2017-10-31: Robinson R-44 — Warszawa Modlin (EPMO), PL

Warszawa Modlin (EPMO), PL

On October 31, 2017, a Robinson R-44 was involved in an aviation accident near Warszawa Modlin (EPMO), PL. Investigators recorded the probable cause as: Too late leveling at low altitude during autorotation landing (flare) over the runway. This summary draws on records from the Polish State Commission on Aircraft Accidents Investigation (PKBWL); 8 related events involving the same aircraft type or operator are linked below.

Sourcesthe Polish State Commission on Aircraft Accidents Investigation (PKBWL)Primary reportUpdated 1785092869Data APIEditorial standards

On October 31, 2017, a Robinson R-44 helicopter experienced a tail skid strike during autorotation training at EPMO Modlin. The instructor performed a go-around and landed without further incident. The cause was late leveling at low altitude.

Incident Overview

On October 31, 2017, at 16:05 LMT, a Robinson R-44 helicopter was engaged in training flights under an individual syllabus for reinstatement of the FI(H) rating. The flight instructor was demonstrating various autorotation landing profiles with different approach speeds and recoveries at various altitudes.

Circumstances

During the subsequent flight, while executing an autorotation landing (flare), the instructor allowed the tail skid to contact the runway surface. The instructor then leveled the helicopter, confirmed full controllability, and performed a low-level flight to the Salt Aviation helipad apron. The event was recorded in the Aircraft Technical Log.

Inspection and Findings

An inspection was conducted per MM Chapter 2.510, Procedure 'A', for tail skid ground contact. Aside from scrape marks on the lower portion of the tail skid, no other damage was detected, and the helicopter was cleared for continued operation.

Cause

The cause of the incident was too late leveling at low altitude during autorotation landing (flare) over the runway.

Probable cause

Too late leveling at low altitude during autorotation landing (flare) over the runway.

Investigation report by the Polish State Commission on Aircraft Accidents Investigation (PKBWL). Original record: https://pkbwl.gov.pl/raporty/2017-2967/. This page is a structured re-presentation; facts and quotes are in the Panstwowa Komisja Badania Wypadkow Lotniczych (PKBWL), Poland.