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NTSB Report
October 3, 2013 · Venables Zenith CH701 · N143TZ
Snohomish, WA
Overview
Report Status
Final with probable cause
Event Type
Accident
Date
October 3, 2013
Injury Outcomes
1 injury (1 minor injury)
Location
Snohomish, WA
Aircraft
Venables Zenith CH701
Tail Number
N143TZ
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
WPR14CA004
The pilot reported that during a test flight the airplane encountered moderate turbulence so he decided to return to the airport for landing. While turning to the crosswind leg in the pattern, the airplane suddenly banked sharply and descended uncontrollably. The pilot was able to regain control about 500 feet above ground level, and managed to turn the airplane to the downwind leg, but he continued to have difficulty maintaining control. The pilot then decided to make an emergency off airport landing to a field. During the landing roll, the airplane collided with obstructions and nosed over. The wings and fuselage were substantially damaged. After the accident, the pilot reported that the loss of aircraft control was due to a jammed rudder for undetermined reasons.
NTSB Probable Cause
A jammed rudder control while maneuvering in the pattern for reasons that could not be determined. No follow-up examination was conducted due to a lapse in agency funding and subsequent government shutdown.
Full Narrative
The pilot reported that during a test flight the airplane encountered moderate turbulence so he decided to return to the airport for landing. While turning to the crosswind leg in the pattern, the airplane suddenly banked sharply and descended uncontrollably. The pilot was able to regain control about 500 feet above ground level, and managed to turn the airplane to the downwind leg, but he continued to have difficulty maintaining control. The pilot then decided to make an emergency off airport landing to a field. During the landing roll, the airplane collided with obstructions and nosed over. The wings and fuselage were substantially damaged. After the accident, the pilot reported that the loss of aircraft control was due to a jammed rudder for undetermined reasons.
Flight
Event TypeAccident
Event Time15:00 PDT
Nearest AirportHarvey Field (1nm S)
Flight Plan FiledNone
Flight Plan ActivatedNo
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftVenables Zenith CH701
Tail NumberN143TZ
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsRotax · 912ULS · Reciprocating · 100
Seats2
People & Injuries
Injury Summary1 injury (1 minor injury)
Fatal0
Serious0
Minor1
Uninjured0
Total1
Crew 1Age 72 · Sprt · Minor
Conditions
ConditionsVMC
LightDaylight
WindGusting 5 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point61 F / 0 C
Altimeter0
Observation Time19:00
Weather SourceWFAC