Aircraft Accident/Incident Report

Corcoran, California 93212
Monday, February 18, 1991 14:15 PST

NTSB Narrative Summary Released at Completion of Accident

THE AIRCRAFT EXPERIENCED A TOTAL LOSS OF POWER ABOUT 50 FEET ABOVE THE GROUND DURING TAKEOFF INITIAL CLIMB. THE PILOT ATTEMPTED A FORCED LANDING STRAIGHT AHEAD TO AN OPEN FIELD. AT TOUCHDOWN, THE AIRCRAFT'S LANDING GEAR SUNK INTO THE SOFT, WET SOIL CAUSING THE AIRCRAFT TO NOSE OVER. AN EXAMINATION OF THE ENGINE AND ENGINE ACCESSORIES DETERMINED THAT THE ENGINE'S FUEL PUMP VALVE ASSEMBLY BYPASS HAD FAILED. THE FAILURE CAUSED FUEL STARVATION RESULTING IN A TOTAL LOSS OF ENGINE POWER.

NTSB Probable Cause Narrative

FAILURE OF THE AIRCRAFT ENGINE'S FUEL PUMP VALVE ASSEMBLY BYPASS.

Event Information

Type of Event Accident
Event Date 2/18/1991
Event Day of the Week Monday
Time of Event 1415
Event Time Zone Pacific Standard Time
Event City CORCORAN
Event State CALIFORNIA
Event Country --
Zipcode of the event site 93212
Event Date Year 1991
Event Date Month 2
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
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) 0
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 135
Variable Wind Indicator Unknown
Wind Speed (knots) 3
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
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) 267
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 43362
Date of most recent change to record Dec 12 2000 9:22AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N4930X
NTSB Number LAX91LA109
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 137: Agricultural
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Rockwell
Aircraft Model S2R-600
Aircraft Series Identifier S2R-600
Aircraft Serial Number 2132R
Certified Max Gross Weight 7000
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 1
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection Jan 2 2000 12:00AM
Airframe hours since last inspection --
Airframe Hours --
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name SALYER FARMS AIRPORT
Aircraft Owner Street Address 270 OREGON AVENUE
Aircraft Owner City CORCORAN
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 93212
Operator is an individual? --
Operator Name SALYER FARMS AIRPORT
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 270 OREGON AVENUE
Operator City CORCORAN
Operator State CA
Operator Country
Operator Zip code 93212
Operator Code RPRG
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Agriculture
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Unknown
Indicates Domestic or International Flight Unknown
Operator carrying Pax/Cargo/Mail Unknown
Type of Flying (Per_Bus / Primary) Aerial Application
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1414
Departure Time Zone PST
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Takeoff
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --