DEN84FA166

NTSB accident investigation · Beech BB-55 · Duchesne, UT · May 31, 1984

Accident · FatalField investigationFinal report
Date
May 30, 1984, 21:30 local (May 31, 1984, 03:30 UTC)
Place
Duchesne, UT
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N6757ZBeech BB-55
Weather
Visual (VMC) · Night/dark
Status
Completed
Report
Approved by Office Director
FAA report
19840530034579A
Case key
16218

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.

In flight collision with terrain/waterCruise - normal
Terrain condition - mountainous/hillyFactor
Weather condition - cloudsFactor
Light condition - dark nightFactor
Preflight briefing service - not obtainedPilot in commandFactor
Vfr procedures - not followedPilot in commandCause
Altitude - inadequatePilot in commandCause

Analysis

Acft collided with a mountain at an elevation of 12,000 ft MSL. Wx at roosevelt, UT, 42 NM se of the accident site at 2030 MDT was estimated 7,000 ft bkn, 25,000 ft bkn, 40 miles visibility, 70 deg f, with cumulus nimbus clouds NE and se. Radar summary charts show numerous scattered showers and thunderstorms throughout the area as were forecast. Accident occurred aprx 6 miles north of victor airway 101. Minimum en ruote alt for V101 is 15,000 ft mslwith a minimum obstruction clearance alt of 14,600 ft MSL. No flight plan was filed for the flt and the acft was not under radar contact. No record of the plt obtaining a wx briefing before the flt could be found.

Aircraft

Registration
N6757Z
Reported as
Beech BB-55
Category
Airplane
Serial number
TC-2324
Airframe hours
155
Engine
Continental IO-470-L, 260 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Personal · Part 91
Registered owner
Watson Memorial Co.
Airworthiness certificate
Standard, Normal
Departed
SLC · Salt Lake City, UT
Destination
APA · Englewood, CO

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
46
Certificate
Private
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
1,012 total · 199 in this make and model · 20 in the last 90 days

Weather

Conditions
Visual (VMC) · Night/dark
Visibility
40 statute miles
Lowest ceiling
700 ft broken

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.