CHI93LA114

NTSB accident investigation · Beech F33A · Park, KS · March 16, 1993

Accident · Serious injuriesLimited investigationFinal report
Date
March 16, 1993, 10:30 local (16:30 UTC)
Place
Park, KS
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Uncontrolled descent
Aircraft
N5592ABeech F33A
Weather
Visual (VMC) · Dawn
Status
Completed · report November 3, 1993
Report
Approved by Office Director
FAA report
19930316005489A
Case key
15687

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

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Probable cause

The pilot-in-command's physical incapacitation for reason or reasons undetermined.

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/waterDescent - uncontrolled
Became lost/disorientedPilot in command
IncapacitationPilot in commandCause
Terrain condition - frozen

Analysis

The seventy-three year old private pilot was flying on a solo cross country flight. For reasons unknown he became physically incapacitated. The airplane descended until impacting the terrain in cruise flight. The airplane came to a stop after skipping and sliding for 1,450 feet. A hospital check revealed 9% carbon monoxide in the pilot's blood; however, a post accident examination of the airplane and the cockpit heat muffler, failed to reveal the source of exhaust fumes entering the cabin. The pilot said he is a non-smoker. He indicated that his last medical certificate was issued in 1988.

Aircraft

Registration
N5592A
Reported as
Beech F33A
Category
Airplane
Serial number
CE-434
Airframe hours
1,402
Engine
Continental IO-520-BA, 285 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Niehus, William B.
Registered owner
Niehus, William B.
Airworthiness certificate
Standard, Normal
Last inspection
Annual · April 17, 1992 · 60 hours before
Departed
MLE · Omaha, NE
Destination
LBF · North Platte, NE

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
73
Certificate
Private
Airplane ratings
Single-engine land
Medical
Expired
Seat
Left
Flight hours
2,700 total · 1,600 in this make and model · 2,600 as pilot in command · 6 in the last 90 days · 4 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Dawn
Wind
10° at 20 knots
Visibility
15 statute miles
Lowest ceiling
2,500 ft broken
Temperature
36 °F, dew point 23 °F
Altimeter
30.00 inHg
Observed at
HLC, 35 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.