Aircraft Accident/Incident Report

Angels Camp, California 95222
Saturday, May 10, 1986 16:24 PDT

NTSB Narrative Summary Released at Completion of Accident

NUMEROUS GROUND WITNESSES OBSERVED THE AIRCRAFT FLY LOW ALONG THE RIVER WHICH FED INTO THE NEW MELONIES RESERVOIR LAKE AND THEN COLLIDE WITH UNMARKED HIGH TENSION POWER LINES WHICH SPANNED A NARROW PORTION OF THE LAKE. THE PILOT THOUGHT THE AIRCRAFT WAS AT APRX 500 FT ABOVE THE WATER WHEN IT STRUCK THE POWER LINES. THE ELECTRIC COMPANY'S RECORDS SHOWED THAT THE POWER LINES SPANNED 4007 FT ACROSS THE LAKE BETWEEN TWO STEEL TOWERS. AT THE LOWEST DROOP, THE LINES MEASURED 194 FT ABOVE THE RECORDED HIGH WATER MARK OF THE LAKE. ACCORDING TO THE US DEPT OF INTERIOR, THE LAKE LEVEL ON THE DAY OF THE ACCIDENT WAS RECORDED AT 1061.84 FT MSL, AND THE HIGH WATER MARK FOR THE LAKE WAS 1088 FT MSL.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 5/10/1986
Event Day of the Week Saturday
Time of Event 1624
Event Time Zone Pacific Daylight Time
Event City ANGELS CAMP
Event State CALIFORNIA
Event Country --
Zipcode of the event site 95222
Event Date Year 1986
Event Date Month 5
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 0
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1555 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 250
Weather Observation Facility ID SCK
Elevation of weather observation facility 30
Distance of event from weather observation facility (units?) 46
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) 20
Air Temperature at event time (in degrees celsius) 23
Dew Point at event time (in degress fahrenheit) 15
Wind Direction (degrees magnetic) 240
Variable Wind Indicator Unknown
Wind Speed (knots) 14
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 1008
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 2
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 1536
NTSB Notification Source --
NTSB Notification Date May 10 1986 12:00AM
NTSB Notification Time 2035
Fiche Number and/or location -used to find docket information 31950
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 N56760
NTSB Number LAX86LA215
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name BOEING
Aircraft Model A75
Aircraft Series Identifier A75
Aircraft Serial Number 75-017
Certified Max Gross Weight 2950
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 Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jun 22 1985 12:00AM
Airframe hours since last inspection 80
Airframe Hours 1907
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name WILLIAM B. FIELD
Aircraft Owner Street Address 523 ELEANOR PLACE
Aircraft Owner City HAYWARD
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 94544
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
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 No
Departure Airport Code 022
Departure City COLUMBIA
Departure State CA
Departure Country
Departure Time 1600
Departure Time Zone PDT
Destination Same as Local Flt --
Destination Airport Code HWD
Destination City HAYWARD
Destination State CA
Destination Country
Specific Phase of Flight Cruise
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 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --