Nut Tree Airport
Aircraft Accident/Incident Report

Vacaville, California 95687
Friday, May 21, 1993 13:35 PDT

NTSB Narrative Summary Released at Completion of Accident

An FAA inspector witnessed the accident and reported that the aircraft was landing with a right 45 degree cross wind he estimated at 14 knots with higher gusts to 17 knots. Shortly after touchdown, the aircraft ground looped and nosed over. The inspector stated that he routinely flies into and out of the airport, and, due to some trees bordering the airport, the wind conditions can sometimes be highly variable with wind shears and vortex situations. All of the pilot's flight time was accrued in tail wheel aircraft.

NTSB Probable Cause Narrative

the pilot's failure to maintain directional control after encountering strong and gusty cross winds during the landing flare.

Event Information

Type of Event Accident
Event Date 5/21/1993
Event Day of the Week Friday
Time of Event 1335
Event Time Zone Pacific Daylight Time
Event City VACAVILLE
Event State CALIFORNIA
Event Country --
Zipcode of the event site 95687
Event Date Year 1993
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport NUT TREE
Event Location Nearest Airport ID O45
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 113
Weather Briefing Completeness Unknown
Investigator's weather source Witness
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 30
Air Temperature at event time (in degrees celsius) 27
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 245
Variable Wind Indicator Unknown
Wind Speed (knots) 14
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 17
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 878
NTSB Notification Source --
NTSB Notification Date May 21 1993 12:00AM
NTSB Notification Time 1405
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 18 2002 11:28AM
User who most recently changed record NTSB\GIUV
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N9461P
NTSB Number LAX93LA220
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-18-150
Aircraft Series Identifier PA-18-150
Aircraft Serial Number 18-7509133
Certified Max Gross Weight 1750
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name JOY I. SMITH
Aircraft Owner Street Address 674 LASKEY LANE
Aircraft Owner City NORTH BEND
Aircraft Owner State OR
Aircraft Owner Country
Aircraft Owner Zipcode 97459
Operator is an individual? --
Operator Name JOY I. SMITH
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address #1 HARLOWS HILL
Operator City SILVER CITY
Operator State NV
Operator Country
Operator Zip code 89428
Operator Code
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Personal
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code O45
Departure City
Departure State
Departure Country
Departure Time 1300
Departure Time Zone PDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code O45
Destination City
Destination State
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:34AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 20
Runway Length 3800
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --