Los Banos Muni Airport
Aircraft Accident/Incident Report

Los Banos, California 93535
Saturday, May 12, 1990 15:00 PDT

NTSB Narrative Summary Released at Completion of Accident

WHEN THE PILOT RELEASED THE BRAKES FOR THE TAKEOFF, THE AIRCRAFT VEERED OFF THE LEFT SIDE OF THE RUNWAY AND COLLIDED WITH A VASI LIGHT.

NTSB Probable Cause Narrative

THE PILOT'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL OF THE AIRCRAFT DURING THE TAKEOFF ROLL.

Event Information

Type of Event Accident
Event Date 5/12/1990
Event Day of the Week Saturday
Time of Event 1500
Event Time Zone Pacific Daylight Time
Event City LOS BANOS
Event State CALIFORNIA
Event Country --
Zipcode of the event site 93535
Event Date Year 1990
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport LOS BANOS MUNI
Event Location Nearest Airport ID LSN
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 119
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1451 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 24
Weather Observation Facility ID MCE
Elevation of weather observation facility 188
Distance of event from weather observation facility (units?) 25
Time Zone of the weather observation PDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 25000
Sky/Lowest/Cloud Conditions Thin Overcast
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 30
Air Temperature at event time (in degrees celsius) -18
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 220
Variable Wind Indicator Unknown
Wind Speed (knots) 16
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) 0
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) 1819
NTSB Notification Source --
NTSB Notification Date May 12 1990 12:00AM
NTSB Notification Time 2000
Fiche Number and/or location -used to find docket information 43611
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 N75BV
NTSB Number LAX90LA173
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 BEECH
Aircraft Model N35
Aircraft Series Identifier N35
Aircraft Serial Number D6752
Certified Max Gross Weight 3125
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 4
Number of Engines 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection 0
Airframe Hours --
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name UNKNOWN
Aircraft Owner Street Address
Aircraft Owner City
Aircraft Owner State
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name PARTELOW, ROBERT L.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 11 PASEO DE VARQUEROS
Operator City SALINAS
Operator State CA
Operator Country
Operator Zip code 93908
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 LSN
Departure City
Departure State
Departure Country
Departure Time 1500
Departure Time Zone PDT
Destination Same as Local Flt --
Destination Airport Code SNS
Destination City SALINAS
Destination State CA
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 32
Runway Length 3000
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --