Accident Number: GAA17CA039
Date & Time: 10/20/2016, 0815 PDT
Registration: N31PH
Aircraft: EVOLUTION AIRCRAFT INC REVO
Aircraft Damage: Substantial
Defining Event: Loss of control on ground
Injuries: 2 None
Flight Conducted Under: Part 91: General Aviation - Instructional
Analysis
The flight instructor in the weight shift aircraft, which was equipped with a floor mounted, foot operated throttle, reported that upon startup, the pilot receiving instruction inadvertently applied full throttle while putting his right foot on the pedal power control unit. Subsequently, the weight shift aircraft started to move towards a parked jet, so the flight instructor turned the aircraft sharply and the aircraft tipped onto its side.
The weight shift aircraft sustained substantial damage to both wings.
The flight instructor reported that there were no pre impact mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation.
Probable Cause and Findings
The National Transportation Safety Board determines the probable cause(s) of this accident to be:
The pilot receiving instruction's inadvertent application of throttle during the engine start, which led to an inadvertent acceleration and a roll-over.
Findings
Aircraft
Aircraft power plant - Unintentional use/operation (Cause)
Personnel issues
Aircraft control - Student pilot (Cause)
Factual Information
History of Flight
Standing-engine(s) start-up
Loss of control on ground (Defining event)
Attempted remediation/recovery
Flight Instructor Information
Certificate: Flight Instructor; Private; Sport Pilot
Age: 60, Male
Airplane Rating(s): Single-engine Land
Seat Occupied: Rear
Other Aircraft Rating(s): None
Restraint Used: Lap Only
Instrument Rating(s): None
Second Pilot Present: Yes
Instructor Rating(s): Airplane Single-engine
Toxicology Performed: No
Medical Certification: Sport Pilot Without Waivers/Limitations
Last FAA Medical Exam:
Occupational Pilot: Yes
Last Flight Review or Equivalent: 06/05/2015
Flight Time: (Estimated) 4960 hours (Total, all aircraft), 470 hours (Total, this make and model), 4900 hours (Pilot In Command, all aircraft), 160 hours (Last 90 days, all aircraft), 40 hours (Last 30 days, all aircraft), 2 hours (Last 24 hours, all aircraft)
Pilot Information
Certificate: Sport Pilot
Age: 75, Male
Airplane Rating(s): Single-engine Land
Seat Occupied: Front
Other Aircraft Rating(s): None
Restraint Used: 3-point
Instrument Rating(s): None
Second Pilot Present: Yes
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Sport Pilot Unknown
Last FAA Medical Exam:
Occupational Pilot: No
Last Flight Review or Equivalent: 10/29/2014
Flight Time: (Estimated) 175 hours (Total, all aircraft), 1 hours (Total, this make and model), 150 hours (Pilot In Command, all aircraft), 10 hours (Last 90 days, all aircraft), 5 hours (Last 30 days, all aircraft), 1 hours (Last 24 hours, all aircraft)
Aircraft and Owner/Operator Information
Aircraft Manufacturer: EVOLUTION AIRCRAFT INC
Registration: N31PH
Model/Series: REVO
Aircraft Category: Weight-Shift
Year of Manufacture: 2015
Amateur Built: No
Airworthiness Certificate: Special Light-Sport
Serial Number: 000611
Landing Gear Type: Tricycle
Seats: 2
Date/Type of Last Inspection: 07/20/2016, Annual
Certified Max Gross Wt.: 1160 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 72 Hours at time of accident
Engine Manufacturer: Rotax
ELT: Not installed
Engine Model/Series: 912iS
Registered Owner: On file
Rated Power: 100 hp
Operator: On file
Operating Certificate(s) Held: None
Meteorological Information and Flight Plan
Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: KCXP, 4699 ft msl
Observation Time: 1515 UTC
Distance from Accident Site: 1 Nautical Miles
Direction from Accident Site: 173°
Lowest Cloud Condition: Clear
Temperature/Dew Point: 2°C / 0°C
Lowest Ceiling: None
Visibility: 10 Miles
Wind Speed/Gusts, Direction: Calm
Visibility (RVR):
Altimeter Setting: 30.38 inches Hg
Visibility (RVV):
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Carson City, NV (CXP)
Type of Flight Plan Filed: None
Destination: Carson City, NV (CXP)
Type of Clearance: None
Departure Time: 0815 PDT
Type of Airspace: Class G
Airport Information
Airport: CARSON (CXP)
Runway Surface Type: Asphalt
Airport Elevation: 4704 ft
Runway Surface Condition: Dry
Runway Used: N/A
IFR Approach: None
Runway Length/Width:
VFR Approach/Landing: None
Wreckage and Impact Information
Crew Injuries: 2 None
Aircraft Damage: Substantial
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 2 None
Latitude, Longitude: 39.195556, -119.735000 (est)
Docket And Docket Items - National Transportation Safety Board: http://dms.ntsb.gov/pubdms
SPORT AVIATION CENTER LLC: http://registry.faa.gov/N31PH
NTSB Identification: GAA17CA039
14 CFR Part 91: General Aviation
Accident occurred Thursday, October 20, 2016 in Carson City, NV
Aircraft: EVOLUTION AIRCRAFT INC REVO, registration: N31PH
Injuries: 2 Uninjured.
NTSB investigators used data provided by various entities, including, but not limited to, the Federal Aviation Administration and/or the operator and did not travel in support of this investigation to prepare this aircraft accident report.
The flight instructor in the weight shift aircraft, which was equipped with a floor mounted, foot operated throttle, reported that upon startup, the pilot receiving instruction inadvertently applied full throttle while putting his right foot on the pedal power control unit. Subsequently, the weight shift aircraft started to move towards a parked jet, so the flight instructor turned the aircraft sharply and the aircraft tipped onto its side.
The weight shift aircraft sustained substantial damage to both wings.
The flight instructor reported that there were no pre impact mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation.
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