ATL91FA020

NTSB accident investigation · Mooney M20F · Pageland, SC · January 11, 1991

Accident · FatalField investigationFinal report
Date
January 11, 1991, 14:27 local (19:27 UTC)
Place
Pageland, SC
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N6858VMooney M20F
Weather
Instrument (IMC) · Day
Status
Completed · report August 13, 1993
Report
Approved by Office Director
FAA report
19910111000349A
Case key
8299

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

Failure of the pilot to maintain control of the aircraft, due to spatial disorientation. Factors related to the accident were: the weather conditions and the malfunction of a gyro instrument (probably the attitude indicator).

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.

Airframe/component/system failure/malfunctionCruise
Flight/nav instruments - undeterminedFactor
Loss of control - in flightCruise
Aircraft control - not maintainedPilot in commandCause
Spatial disorientationPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

After departing on an instrument flight, the pilot reported a system problem and requested clearance back to the departure airport. Soon thereafter, the pilot declared an emergency because he was experiencing a gyro problem. No further communication was received from N6858V. Instrument weather conditions prevailed at the time of the accident. Witnesses heard the airplane flying in clouds before it crashed. Reportedly, it made an 's' turn, then it was observed below the clouds, seconds before impact. The airplane was extensively damaged during impact. An exam of the flight controls failed to disclose any obvious malfunction or control failure. Examination of the electrical components and vacuum system components failed to indicate a mechanical problem. Both gyros showed signs of rotation, and the vacuum pump sustained impact damage. A low level of ethanol was detected in the pilot's liver tissue, but none was found in kidney tissue.

Aircraft

Registration
N6858V
Reported as
Mooney M20F
Category
Airplane
Serial number
72-1251
Airframe hours
1,985
Engine
Lycoming IO-360-A1A, 180 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Operator
Blackwell, Billy
Last inspection
Unknown · January 2, 2000
Departed
EQY · Monroe, NC
Destination
CRE · Grand Strand, SC
Flight plan
IFR

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
59
Certificate
Private
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 3, Valid Medical--no waivers/lim.
Toxicology
Performed
Flight hours
745 total · 210 in this make and model · 595 as pilot in command · 40 in the last 90 days · 3 in the last 30 days

Weather

Conditions
Instrument (IMC) · Day
Wind
10° at 6 knots
Visibility
2 statute miles
Lowest ceiling
600 ft overcast
Observed at
CLT, 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.