DEN84FU011

NTSB accident investigation · Eipper Quicksilver MX · Brighton, CO · September 20, 1984

Accident · FatalFinal report
Date
September 20, 1984, 09:50 local (15:50 UTC)
Place
Brighton, CO
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
UNREGEipper Quicksilver MX
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
Case key
16265

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

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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 terrain/waterManeuvering
Judgment - poorPilot in commandFactor
Maneuver - initiatedPilot in command
Spiral - intentionalPilot in command
Remedial action - delayedPilot in commandCause
Proper altitude - not maintainedPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

The ultralight was turning in a spiral turn to the right when witnesses heard the engine stop. The acft went into a spinand crashed. Witnesses said the plt had been doing this before with a pull out at about 50 ft AGL and a restart of the engine. The height of the acft at spin entry was about 500 ft AGL. Examination of the vehicle revealed that the switch for start/stop was in the off position.

Aircraft

Registration
UNREG
Reported as
Eipper Quicksilver MX (QUICKSILVE)
Category
Ultralight
Engine
Rotax 377, 25 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 103
Registered owner
Joe P. Swearingen

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
61
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Front
Toxicology
Performed

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
50 statute miles
Lowest ceiling
None
Temperature
70 °F