LAX84FA467

NTSB accident investigation · Piper PA-23-235 · Rubidoux, CA · September 3, 1984

Accident · FatalField investigationFinal report
Date
September 3, 1984, 14:34 local (21:34 UTC)
Place
Rubidoux, CA
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Initial climb
Aircraft
N4967PPiper PA-23-235
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19840903045109A
Case key
23997

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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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 flightTakeoff - initial climb
Flight control,gust lock - not removedCause
Aircraft preflight - inadequatePilot in commandCause
Flight control,elevator - lockedCause
Rotation - uncontrolled
Aircraft handling - not possiblePilot in command
Airspeed - not maintained
Stall - uncontrolled
In flight collision with terrain/waterDescent - uncontrolled

Analysis

The plt failed to remove the control lock during his preflt inspection; thus, the elevator control was locked & no pitch control was available during the takeoff. Rotation occurred when the acft reach flying speed. The acft became airborne & its pitch angle continued to increase until the acft decelerated & stalled. The acft then descended out of control, crashed & burned.

Aircraft

Registration
N4967P
Reported as
Piper PA-23-235
Category
Airplane
Serial number
27-569
Airframe hours
2,368
Engine
Lycoming O-540-B1A5, 235 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Personal · Part 91
Registered owner
Flavio Madariaga
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · February 19, 1984
Departed
RIR
Destination
Pahrump, NV
Airport
R1R · Fla Bob, runway 24, 3,200 × 50 ft, asphalt

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
72
Certificate
Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Left
Toxicology
Performed
Flight hours
22,750 total

Weather

Conditions
Visual (VMC) · Day
Wind
240° at 10 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
82 °F
Altimeter
29.00 inHg

FAA reports on this event · 1

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