Federal Aviation Administration / Flight Standards District Office; Sacramento, California
Aviation Accident Final Report - National Transportation Safety Board: https://app.ntsb.gov/pdf
Investigation Docket - National Transportation Safety Board: https://dms.ntsb.gov/pubdms
Aviation Accident Data Summary - National Transportation Safety Board: https://app.ntsb.gov/pdf
http://registry.faa.gov/N32064
Location: Marysville, CA
Accident Number: WPR18CA146
Date & Time: 05/22/2018, 1630 PDT
Registration: N32064
Aircraft: AYRES CORPORATION S2R G10
Aircraft Damage: Substantial
Defining Event:
Injuries: 1 None
Flight Conducted Under: Part 137: Agricultural
Analysis
The commercial pilot reported that he had been applying rice seed to a field throughout the day and was returning to land on a dirt airstrip. During the approach, the airplane encountered a downdraft, and the right main landing gear (MLG) impacted the top of a seed dispensing truck that was positioned near the approach end of the airstrip. The pilot continued the landing, and upon touchdown, the right MLG collapsed, the airplane veered right, crossed over a ditch, and then came to rest in a field.
The airplane sustained substantial damage to the right MLG attachment point to the fuselage.
The pilot reported that there were no mechanical failures or malfunctions with the airplane that would have precluded normal operation.
The pilot landed to the north and reported that the wind was gusting to about 8 to 15 knots.
Probable Cause and Findings
The National Transportation Safety Board determines the probable cause(s) of this accident to be:
The pilot's failure to maintain clearance from a truck while on final approach after the airplane encountered a downdraft, which resulted in the subsequent failure of the right main landing gear and loss of directional control.
Findings
Aircraft
Directional control - Not attained/maintained (Cause)
Personnel issues
Monitoring environment - Pilot (Cause)
Environmental issues
Ground vehicle - Effect on operation (Cause)
Downdraft - Effect on operation
Factual Information
History of Flight
Approach
Other weather encounter
Collision with terr/obj (non-CFIT)
Landing
Landing gear collapse
Loss of control on ground
Runway excursion
Pilot Information
Certificate: Commercial
Age: 65, Male
Airplane Rating(s): Single-engine Land
Seat Occupied: Single
Other Aircraft Rating(s): None
Restraint Used: Lap Only
Instrument Rating(s): None
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 2 With Waivers/Limitations
Last FAA Medical Exam: 01/24/2018
Occupational Pilot: Yes
Last Flight Review or Equivalent: 01/25/2017
Flight Time: 25000 hours (Total, all aircraft), 12000 hours (Total, this make and model), 25000 hours (Pilot In Command, all aircraft), 50 hours (Last 90 days, all aircraft), 30 hours (Last 30 days, all aircraft), 8 hours (Last 24 hours, all aircraft)
Aircraft and Owner/Operator Information
Aircraft Make: AYRES CORPORATION
Registration: N32064
Model/Series: S2R G10 G10
Aircraft Category: Airplane
Year of Manufacture:
Amateur Built: No
Airworthiness Certificate:
Serial Number: G10-113
Landing Gear Type: Tailwheel
Seats: 1
Date/Type of Last Inspection: Annual
Certified Max Gross Wt.:
Time Since Last Inspection:
Engines: 1 Turbo Prop
Airframe Total Time:
Engine Manufacturer: Garrett
ELT: Not installed
Engine Model/Series: Tup-331-10-
Registered Owner: MORO AIRCRAFT LEASING INC
Rated Power: 740 hp
Operator: On file
Operating Certificate(s) Held: Agricultural Aircraft (137)
Operator Does Business As: Faunce Air LLC
Operator Designator Code:
Meteorological Information and Flight Plan
Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: KBAB, 116 ft msl
Distance from Accident Site: 113 Nautical Miles
Observation Time: 2358 UTC
Direction from Accident Site: 152°
Lowest Cloud Condition: Clear
Visibility: 10 Miles
Lowest Ceiling: None
Visibility (RVR):
Wind Speed/Gusts: 9 knots /
Turbulence Type Forecast/Actual: None / None
Wind Direction: 170°
Turbulence Severity Forecast/Actual: N/A / N/A
Altimeter Setting: 29.74 inches Hg
Temperature/Dew Point: 27°C / 13°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Yuba City, CA (O52)
Type of Flight Plan Filed: None
Destination: Marysville, CA
Type of Clearance: None
Departure Time: 0900 PDT
Type of Airspace: Class E
Wreckage and Impact Information
Crew Injuries: 1 None
Aircraft Damage: Substantial
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 1 None
Latitude, Longitude: 39.290556, -121.532222 (est)
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