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NTSB Report
May 10, 1986 · Boeing A75 · N56760
Angels Camp, CA
Overview
Report Status
Preliminary report
Event Type
Accident
Date
May 10, 1986
Injury Outcomes
2 injuries (2 minor injuries)
Location
Angels Camp, CA
Aircraft
Boeing A75
Tail Number
N56760
Injuries
Minor
Aircraft Damage
Destroyed
NTSB Number
LAX86LA215
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.
Full Narrative
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.
Flight
Event TypeAccident
Event Time16:24 PDT
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftBoeing A75
Tail NumberN56760
Aircraft CategoryAir
DamageDestroyed
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · R-680 · Reciprocating · 225
Seats2
People & Injuries
Injury Summary2 injuries (2 minor injuries)
Fatal0
Serious0
Minor2
Uninjured0
Total2
Crew 1Age 39 · Third Class
Conditions
ConditionsVMC
LightDaylight
Wind240° @ 14 kt
Visibility20 sm
CeilingNone
Temperature / Dew Point59
Altimeter29.00 inHg
Observation Time22:55
Weather SourceWFAC