Aviation Accident Summaries

Aviation Accident Summary SEA83LA170

MONTPELIER, ID, USA

Aircraft #1

N49532

AEROSPATIALE SA-315B

Analysis

THE PLT & 3 PASSENGERS WERE ON A FLT TO FIND DRILLING SUPPLIES THAT HAD BEEN DROPPED OFF OF A TRUCK ON THE PREVIOUS DAY. THE PLT REPORTED THAT HE WAS HOVERING DOWN AN ABANDONED ROAD AT ABOUT 5 TO 10 MPH & 15 TO 20 FT AGL WHEN THE HELICOPTER COLLIDED WITH POWER LINES. THE POWER LINES WERE UNMARKED & CROSSED THE ROAD AT A 90 DEG ANGLE. THE COLLISION OCCURRED WHERE THE LINES SPANNED 2000 FT BETWEEN SUPPORTS. AFTER HITTING THE POWER LINES, THE HELICOPTER STRUCK THE GROUND & CAME TO REST ON ITS SIDE.

 

Source: NTSB Aviation Accident Database

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