Aircraft Accident/Incident Report

Tooele, Utah 84074
Thursday, August 7, 1986 16:00 MDT

NTSB Narrative Summary Released at Completion of Accident

THE PLT RPRTD THAT HE ENCOUNTERED A DOWNDRAFT WHILE CROSSING A RIDGELINE IN MOUNTAINOUS TERRAIN, APRX 5 MI NE OF TOOELE,UT. THE ELEV OF THE ACDNT SITE WAS ABOUT 9,000 FT & THE TEMP WAS RPRTD BY THE PLT TO BE 80 DEG. THIS WOULD HAVE RESULTEDIN A DENSITY ALT OF ABOUT 12,500 FT. THE PLT SAID HE SHOULD HAVE SELECTED A ROUTE AROUND THE MOUNTAINS.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 8/7/1986
Event Day of the Week Thursday
Time of Event 1600
Event Time Zone Mountain Daylight Time
Event City TOOELE
Event State UTAH
Event Country --
Zipcode of the event site 84074
Event Date Year 1986
Event Date Month 8
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 Unknown
Time of the weather observation 1450 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 25
Weather Observation Facility ID SLC
Elevation of weather observation facility 4227
Distance of event from weather observation facility (units?) 16
Time Zone of the weather observation MDT
Lighting Conditions Day
Lowest Ceiling Height 11000
Lowest Non-Ceiling Height 8000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 40
Air Temperature at event time (in degrees celsius) 32
Dew Point at event time (in degress fahrenheit) 9
Wind Direction (degrees magnetic) 340
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) 30
Density Altitude (feet) 12500
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 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 1849
NTSB Notification Source --
NTSB Notification Date Aug 7 1986 12:00AM
NTSB Notification Time 1900
Fiche Number and/or location -used to find docket information 32339
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 N1387V
NTSB Number DEN86LA222
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 BOEING
Aircraft Model E75
Aircraft Series Identifier E75
Aircraft Serial Number 75-8291
Certified Max Gross Weight 2717
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 Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection May 6 1986 12:00AM
Airframe hours since last inspection --
Airframe Hours 5765
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name WILLIAM C. DAUSE, JR.
Aircraft Owner Street Address P.O. BOX 423
Aircraft Owner City ACOMPO
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 95220
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? No
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 U42
Departure City SALT LAKE CITY
Departure State UT
Departure Country
Departure Time 0
Departure Time Zone
Destination Same as Local Flt --
Destination Airport Code EKO
Destination City ELKO
Destination State NV
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 --