Aviation Accident Summaries

Aviation Accident Summary SEA91LA066

ROSEBURG, OR, USA

Aircraft #1

N1088L

HUGHES 369D

Analysis

THE PILOT REPORTED THAT THE HUGHES 369D WAS CRUISING BETWEEN 300 AND 500 FEET ABOVE THE SURFACE, WHEN HE HEARD A LOUD 'POP' AND THE ENGINE SPOOLED DOWN RAPIDLY. HE STATED THAT HE HAD NO PREVIOUS INDICATION OF A PROBLEM UNTIL THE ENGINE ABRUPTLY LOST POWER. HE INITIATED AN AUTOROTATION AND LANDED ON A SLOPED PORTION OF THE HIGHWAY. AFTER TOUCHDOWN, THE RIGHT SKID DROPPED APPROXIMATELY 20 INCHES AND THE MAIN ROTOR BLADES STRUCK THE TAILBOOM. NO PREIMPACT MECHANICAL DISCREPANCY WAS FOUND.

Probable Cause and Findings

A LOSS OF ENGINE POWER FOR UNDETERMINED REASONS. A FACTOR RELATED TO THE ACCIDENT WAS: THE LACK OF A SUITABLE AREA FOR AN EMERGENCY LANDING.

 

Source: NTSB Aviation Accident Database

Get all the details on your iPhone or iPad with:

Aviation Accidents App

In-Depth Access to Aviation Accident Reports