LAX89FA006

NTSB accident investigation · Beech A24R · Mt. Baldy, CA · October 3, 1988

Accident · FatalField investigationFinal report
Date
October 2, 1988, 17:15 local (Oct 3, 1988, 00:15 UTC)
Place
Mt. Baldy, CA
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N8065RBeech A24R
Weather
Visual (VMC) · Day
Status
Completed · report June 25, 1990
Report
Approved by Office Director
FAA report
19881002043549A
Case key
26179

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

Pilot's improper in-flight decision and altitude.

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/waterManeuvering
Terrain condition - blind/box canyonFactor
Altitude - improperPilot in commandCause
Maneuver - intentionalPilot in commandFactor
Remedial action - delayedPilot in commandFactor
In-flight planning/decision - improperPilot in commandCause

Analysis

The plt had previously flown in the area of hills & valleys which ranged in altitude from 2200 to over 8000 feet MSL. Some of the valley floors rose rapidly, were surrounded by increasingly taller mountians and were shaped like a box canyon. During the pleasure flight in VFR conditions the plt & his pax entered a box-like canyon. The acft collided with 43 degree upsloping terrain of the 4,000-FT MSL canyon wall.

Aircraft

Registration
N8065R
Reported as
Beech A24R
Category
Airplane
Serial number
MC-56
Airframe hours
1,410
Engine
Lycoming IO-360-A1B, 200 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Operator
Theodore & Catherine Cummings
Registered owner
Preston,Cummings & C. Cummings
Airworthiness certificate
Standard, Normal; Standard, Utility
Last inspection
Annual · May 1, 1988 · 55 hours before
Departed
CCB · Upland, CA

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
33
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Toxicology
Performed
Flight hours
343 total · 85 in this make and model · 259 as pilot in command · 13 in the last 90 days · 6 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
260° at 12 knots
Visibility
3 statute miles
Lowest ceiling
None
Temperature
84 °F, dew point 61 °F
Altimeter
29.00 inHg
Observed at
ONT, 9 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.