Lincoln Municipal Airport
Aircraft Accident/Incident Report

Lincoln, California 95648
Saturday, October 4, 1986 15:00 PDT

NTSB Narrative Summary Released at Completion of Accident

DURING A LOCAL TEST FLIGHT OF AN EXPERIMENTAL HOME BUILT ACFT, THE ENGINE EXPERIENCED A TOTAL LOSS OF POWER AT APRX 3000 FT AGL. UNABLE TO RETURN TO THE AIRPORT, THE PLT LANDED IN AN OPEN FIELD. APRX ONE FT ABOVE THE TWO FOOT HIGH GRASS, THE PLT RAISED THE NOSE TO FLARE WHEN THE ACFT ENTERED A STALL. THE LEFT WING DROPPED AND DRAGGED ON THE GROUND. THE MAIN LANDING GEAR COLLAPSED UPON TOUCHDOWN AND THE ACFT NOSED OVER. INSPECTION OF THE ENGINE REVEALED THAT A SAFETY WIRE HAD NOT BEEN INSTALLED AND THE GASCALATOR WAS LOOSE. APRX 1 TABLESPOON OF FUEL WAS FOUND IN THE FUEL LINES BETWEEN THE GASCALATOR AND THE CARBURETOR.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 10/4/1986
Event Day of the Week Saturday
Time of Event 1500
Event Time Zone Pacific Daylight Time
Event City LINCOLN
Event State CALIFORNIA
Event Country --
Zipcode of the event site 95648
Event Date Year 1986
Event Date Month 10
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport LINCOLN MUNICIPAL
Event Location Nearest Airport ID 05I
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 1
Degrees magnetic from airport 350
Airport Elevation 119
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1455 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 300
Weather Observation Facility ID MVY
Elevation of weather observation facility 62
Distance of event from weather observation facility (units?) 18
Time Zone of the weather observation PDT
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) 35
Air Temperature at event time (in degrees celsius) 31
Dew Point at event time (in degress fahrenheit) 17
Wind Direction (degrees magnetic) 320
Variable Wind Indicator Unknown
Wind Speed (knots) 12
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
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 FAA
NTSB Docket Number (internal use) 2532
NTSB Notification Source --
NTSB Notification Date Oct 4 1986 12:00AM
NTSB Notification Time 1600
Fiche Number and/or location -used to find docket information 33460
Date of most recent change to record Jan 2 2001 9:14AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N63SM
NTSB Number LAX87DVG01
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 SMITH & R. MATHEWS
Aircraft Model RV-4
Aircraft Series Identifier RV-4
Aircraft Serial Number 63
Certified Max Gross Weight 1500
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? Yes
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 Jun 3 1986 12:00AM
Airframe hours since last inspection 6
Airframe Hours 6
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name SMITH, RAY H. JR.
Aircraft Owner Street Address 9537 GOLDEN DRIVE
Aircraft Owner City ORANGEVALE
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 95662
Operator is an individual? --
Operator Name RAY H. SMITH
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 9537 GOLDEN DR.
Operator City ORANGEVALE
Operator State CA
Operator Country
Operator Zip code 95662
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
Departure City
Departure State
Departure Country
Departure Time 1430
Departure Time Zone PDT
Destination Same as Local Flt crash at destination city
Destination Airport Code
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 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 15
Runway Length 6000
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --