CHI85LA113

NTSB accident investigation · Rutan Varieze · Mt. Vernon, IL · February 17, 1985

Accident · No injuriesLimited investigationFinal report
Date
February 17, 1985, 15:00 local (21:00 UTC)
Place
Mt. Vernon, IL
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N101MWRutan Varieze
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19850217003619A
Case key
13006

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.

Airframe/component/system failure/malfunctionLanding - roll
Landing gear,main gear shock absorbing strut - fatigueCause
Acft/equip,inadequate airframeManufacturerCause
Landing gear,main gear shock absorbing strut - failure,totalCause
Insufficient standards/requirements,manufacturerManufacturerCause
Gear collapsedLanding - roll

Analysis

The acft lndg gear collapsed after several lndgs. The plt was practicing touch & go lndgs and completed 5 circuits. During the 6th lndg the main gear collapsed at touchdown. The nose gear then collapsed this model varieze was equipped with a lndg gear that was found to be too weak. Later versions had an improved system which was stronger. No provision to make the change madatory had been made.

Aircraft

Registration
N101MW
Reported as
Rutan Varieze
Category
Airplane
Serial number
24
Airframe hours
295
Engine
Continental O-200, 100 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Martin A. Cox
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Annual · June 19, 1984 · 50 hours before
Airport
MVN · Mt Vernon, runway 33, 3,149 × 100 ft, asphalt

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
34
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Front
Flight hours
680 total · 42 in this make and model · 624 as pilot in command · 7 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
210° at 10 knots
Visibility
7 statute miles
Lowest ceiling
20,000 ft broken
Temperature
43 °F, dew point 19 °F
Altimeter
30.00 inHg
Observed at
BLV

FAA reports on this event · 1

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