- Date
- August 7, 1986, 16:00 local (22:00 UTC)
- Place
- Tooele, UT
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N1387VBoeing E75
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19860807037829A
- Case key
- 17029
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Analysis
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.
Aircraft
- Registration
- N1387V
- Reported as
- Boeing E75
- Category
- Airplane
- Serial number
- 75-8291
- Airframe hours
- 5,765
- Engine
- P&W R-985, 450 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Registered owner
- William C. Dause, Jr.
- Airworthiness certificate
- Special, Experimental (Special)
- Last inspection
- Annual · May 6, 1986
- Departed
- U42 · Salt Lake City, UT
- Destination
- EKO · Elko, NV
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 43
- Certificate
- Commercial
- Airplane ratings
- Single-engine land, Multi-engine land, Single-engine sea
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Seat
- Rear
- Flight hours
- 4,200 total · 20 in this make and model · 4,100 as pilot in command · 45 in the last 90 days · 10 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 340° at 12 knots
- Visibility
- 40 statute miles
- Lowest ceiling
- 11,000 ft broken
- Temperature
- 90 °F, dew point 48 °F
- Altimeter
- 30.00 inHg
- Observed at
- SLC, 16 nm away
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.