WPR23LA099

NTSB accident investigation · Beech C23 · Rich County, UT · January 25, 2023

Accident · No injuriesClass 4 · LimitedFinal report
Date
January 24, 2023, 17:45 local (Jan 25, 2023, 00:45 UTC)
Place
Rich County, UT · Coordinates provided pilot from accident site
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N23FDBeech C23
Defining event
Enroute-cruise: Loss of control in flight
Weather
Visual (VMC) · Night
Status
Completed
Report
Approved by Office Director
Investigation class
Class 4 - Basic report with no Prelim publish
NTSB office
Western Pacific Region
Parties
FAA
FAA report
20230124000779A
Case key
106647

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Probable cause

The pilot’s inability to maintain altitude following an encounter with turbulence and adverse wind conditions.

Findings · 4

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotBeech C23: 23 casesAll aircraft: 9,295 casesProbable cause
WindEnvironmental issues › Conditions/weather/phenomena · Effect on operationBeech C23: 1 caseAll aircraft: 110 casesProbable cause
Performance/control parameters: altitudeAircraft › Aircraft oper/perf/capability · Attain/maintain not possibleBeech C23: 2 casesAll aircraft: 1,310 casesProbable cause
TurbulenceEnvironmental issues › Conditions/weather/phenomena · Effect on operationBeech C23: 2 casesAll aircraft: 92 casesProbable cause

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The pilot reported that she encountered unexpected winds while flying at night. After multiple encounters with strong wind gusts and turbulence, the pilot lost control of the airplane and it started to spin downward. She was able to successfully recover from the spin, but was forced to search for a suitable landing site as she was unable to maintain altitude. The pilot executed a forced landing in an open snow-covered area and the airplane stopped abruptly, which resulted in substantial damage to the fuselage. The pilot reported no mechanical malfunctions or failures that would have precluded normal operation.

Aircraft

Registration
N23FD
Reported as
Beech C23
Category
Airplane
Serial number
M-1663
Airframe hours
1,674.87
Engine
Lycoming O-360-A4J, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Standard, Normal
Last inspection
Annual · July 1, 2022 · 89.84 hours before
Departed
KEVW · Evanston, UT
Destination
TWF · Twin Falls, ID
Equipment
ADS-B, Stall warning system, Onboard weather

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
41
Injuries
Minor
Certificate
Commercial
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, Without waivers/limitations
Last flight review
November 17, 2022
Seat
Left
Restraint
Lap only
Flight hours
689.5 total · 28.6 in this make and model · 68.6 in the last 90 days · 32.5 in the last 30 days

Weather

Conditions
Visual (VMC) · Night
Wind
220° at 13 knots
Visibility
10 statute miles
Lowest ceiling
10,000 ft broken
Temperature
12 °F, dew point 10 °F
Altimeter
30.20 inHg
Observed at
KEVW, 18 nm away
METAR
METAR KEVW 250153Z AUTO 22013KT 10SM FEW015 SCT025 BKN100 M11/M12 A3020 RMK AO2 SLP302 T11061122 $=

Docket · 2

The files NTSB released with the investigation on June 23, 2023, on NTSB’s docket system: statements, records, photos and specialists’ reports. 6.5 MB in all.

FAA reports on this event · 1

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