FTW83LA122

NTSB accident investigation · Monnett Sonerai II · Las Cruces, NM · February 16, 1983

Accident · No injuriesLimited investigationFinal report
Date
February 16, 1983, 13:00 local (20:00 UTC)
Place
Las Cruces, NM
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N1390AMonnett Sonerai II
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19830216004129A
Case key
20814

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.

Airframe/component/system failure/malfunctionLanding - roll
Landing gear,tailwheel assembly - failure,totalCause
Loss of control - on ground/waterLanding - roll
Directional control - not maintainedPilot in commandFactor
Ground loop/swerve - uncontrolledPilot in commandFactor
Lack of total experience in type of aircraftPilot in commandFactor

Analysis

The new home built acft had only 2.5 hrs total flt time. After a test flt, the plt was on the landing roll when he lost control at aprx 35 mph. Subsequently, the acft ground looped & nosed over on its top. The plt reported that loss of control occurred after a steering arm failed on the tailwheel assembly.

Aircraft

Registration
N1390A
Reported as
Monnett Sonerai II
Category
Airplane, amateur-built
Serial number
711
Airframe hours
25
Engine
Volkswagen VW, reciprocating
Damage
Substantial damage
Flight
Part 91
Registered owner
Thomas E. Mcdaniel
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Unknown · March 26, 1982 · 25 hours before
Airport
LRU · Crawford, runway 12, 7,494 × 150 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
61
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Center
Flight hours
574 total · 3 in this make and model · 524 as pilot in command · 14 in the last 90 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
120° at 3 knots, gusting 4
Visibility
30 statute miles
Temperature
64 °F, dew point 30 °F

FAA reports on this event · 1

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