DEN86LA050

NTSB accident investigation · Beech V-35B · Wibaux, MT · December 18, 1985

Accident · Serious injuriesLimited investigationFinal report
Date
December 18, 1985, 16:30 local (23:30 UTC)
Place
Wibaux, MT
Injuries
1 serious, 1 minor
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N24198Beech V-35B
Weather
Visual (VMC) · Dusk
Status
Completed
Report
Approved by Office Director
FAA report
19851218062949A
Case key
16903

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 encounter with weatherCruise
Preflight planning/preparation - poorPilot in commandFactor
Aircraft preflight - misjudgedPilot in commandCause
Ice/frost removal from aircraft - not performedPilot in commandCause
Weather condition - clouds
Flight into known adverse weather - initiatedPilot in commandCause
Overconfidence in personal abilityPilot in commandFactor
Weather condition - icing conditions
Lack of total instrument timePilot in command
Airspeed - not maintainedPilot in command
Stall - inadvertentPilot in commandCause
Loss of control - in flightDescent
In flight collision with terrain/waterDescent
Terrain condition - snow covered

Analysis

The plt stated that light snow was falling at the arpt at the time of departure. The pax stated after the accident that the plt encountered clouds at their cruise alt of about 6000 ft. he continued to state that the acft made a shallow descent at first encounter with the clouds but became very steep several times during the descent. The acft broke out of the clouds and impacted the snow covered field at a high rate of descent and airspeed. The plt did not perform a preflight inspection of the acft, he did not deice the acft prior to departure and he does not hold an instrument rating.

Aircraft

Registration
N24198
Reported as
Beech V-35B
Category
Airplane
Serial number
D10112
Airframe hours
1,465
Engine
Continental IO-520-BA, 285 horsepower, reciprocating
Damage
Destroyed
Flight
Business · Part 91
Operator
William Hart
Airworthiness certificate
Standard, Utility; Standard, Normal
Last inspection
Annual · February 13, 1985 · 187 hours before
Departed
2OU · Beech, ND
Destination
B1L · Billings, MT

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
50
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
1,968 total · 1,512 in this make and model · 1,906 as pilot in command · 34 in the last 90 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Dusk
Wind
330° at 20 knots, gusting 30
Visibility
2 statute miles
Lowest ceiling
1,200 ft overcast
Temperature
28 °F, dew point 25 °F
Altimeter
30.00 inHg

FAA reports on this event · 1

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