LAX84LA168

NTSB accident investigation · Moseley/Scorpion 133 · Phoenix, AZ · February 8, 1984

Accident · Serious injuriesLimited investigationFinal report
Date
February 8, 1984, 09:20 local (16:20 UTC)
Place
Phoenix, AZ
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N4661UMoseley/Scorpion 133
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19840208003749A
Case key
24163

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.

Loss of control - in flightHover
Weather condition - gustsFactor
Rotorcraft flight controls - improper use ofPilot in commandCause
Roll overHover

Analysis

The plt stated that he intended only to grt the helicopter 'in a light position to check for balance and cyclic position. He further stated that a gust of wind caused a total lift off and he over-controlled the acft which rolled andcrashed sideways in a lateral swinging motion.

Aircraft

Registration
N4661U
Reported as
Moseley/Scorpion 133
Category
Helicopter, amateur-built
Serial number
TC10
Airframe hours
1
Engine
Rotorway 133, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Robert M. Moseley
Airport
Moseley Field

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
45
Certificate
Commercial
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Right
Flight hours
16,000 total · 5 in this make and model · 15,800 as pilot in command · 100 in the last 90 days · 35 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
20 statute miles
Lowest ceiling
None
Temperature
54 °F, dew point -0 °F
Altimeter
30.00 inHg
Observed at
PHX, 25 nm away

FAA reports on this event · 1

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