SEA83LA170

NTSB accident investigation · Aerospatiale SA-315B · Montpelier, ID · August 7, 1983

Accident · No injuriesLimited investigationFinal report
Date
August 7, 1983, 10:07 local (16:07 UTC)
Place
Montpelier, ID
Injuries
4 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N49532Aerospatiale SA-315B
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19830807039859A
Case key
39748

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

In flight collision with objectHover
Object - wire,transmissionFactor
Visual lookout - inadequatePilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled
Roll overLanding - flare/touchdown

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.

Aircraft

Registration
N49532
Reported as
Aerospatiale SA-315B
Category
Helicopter
Serial number
2500
Airframe hours
3,500
Engine
Artouste IIIB, 562 horsepower, turbo shaft
Damage
Substantial damage
Flight
Business · Part 91
Registered owner
Hosking Helicopters
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · January 1, 1993 · 67 hours before
Departed
Montpelier, ID
Flight plan
Company VFR

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
25
Certificate
Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Right
Flight hours
4,001 total · 1,031 in this make and model · 3,837 as pilot in command · 159 in the last 90 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
140° at 5 knots
Visibility
30 statute miles
Lowest ceiling
None
Temperature
90 °F

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.

Other investigations on N49532 · 2

Matched to the same aircraft by N-number and date.