LAX91LA053

NTSB accident investigation · Cessna T210N · Douglas, AZ · December 22, 1990

Accident · FatalLimited investigationFinal report
Date
December 22, 1990, 06:55 local (13:55 UTC)
Place
Douglas, AZ
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Unknown
Aircraft
XBBCRCessna T210N
Weather
Visual (VMC) · Dawn
Status
Completed · report August 6, 1993
Report
Approved by Office Director
Case key
27075

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

An inflight loss of control of the airplane due to the pilot's physical impairment from the consumption of alcohol. A factor which contributed to the accident was an inoperative vacuum system.

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.

Loss of control - in flightUnknown
Vacuum system - inoperativeFactor
Aircraft control - uncontrolledPilot in commandCause
Impairment(alcohol)Pilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

The accident site was located on semi-level, typical sonora desert terrain. The airplane had impacted the ground at a right angle 90 deg to the surface. The propeller indicated power and rotation at impact. The county sheriff's investigatores determined the two individuals were last seen leaving a local Douglas bowling alley at aprx midnight, intoxicated, going to and staying at a bar until 0100. The pilot's muscle ethanol concentration was 210 mg/dl. The airplane's vacuum pump had been inoperative for the last 2 months.

Aircraft

Registration
XBBCR
Reported as
Cessna T210N
Category
Airplane
Serial number
63503
Engine
Continental IO-520-L, 300 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Operator
J. A. Morales
Departed
DUG · Douglas, AZ

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
27
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Expired
Toxicology
Performed
Flight hours
271 total

Weather

Conditions
Visual (VMC) · Dawn
Wind
220° at 12 knots
Visibility
20 statute miles
Lowest ceiling
3,400 ft broken
Temperature
39 °F, dew point 30 °F
Observed at
DUG, 4 nm away