LAX97LA231

NTSB accident investigation · Cessna P206B · Desert Center, CA · July 4, 1997

Accident · Minor injuriesLimited investigationFinal report
Date
July 4, 1997, 14:00 local (21:00 UTC)
Place
Desert Center, CA
Injuries
1 minor
Damage
Destroyed
Phase of flight
Takeoff
Aircraft
N4733FCessna P206B
Weather
Visual (VMC) · Day
Status
Completed · report April 10, 1998
Report
Approved by Office Director
FAA report
19970704016869A
Case key
29827

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's unexpected encounter with dust devils during the takeoff ground roll.

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.

On ground/water encounter with weatherTakeoff - roll/run
Weather condition - dust devil/whirlwindCause
Loss of control - on ground/waterTakeoff - roll/run
On ground/water encounter with terrain/waterTakeoff - roll/run
Terrain condition - high vegetation

Analysis

Prior to liftoff the aircraft was pushed off the runway by a gust of wind. After departing the runway, the aircraft struck a bush and was consumed by the ensuing fire. While departing from the accident site, the pilot noticed three dust devils moving away from the runway and two dust devils traveling toward the runway. This weather phenomena is common during the summer months, and is not associated with the any specific wind condition.

Factual narrative

On July 4, 1997, at 1400 hours Pacific daylight time, a Cessna P206B, N4733F, veered off runway 5 on the takeoff roll, and collided with bushes at the Desert Center, California, airport. The aircraft was destroyed by the ensuing fire, and the owner/pilot, the sole occupant, received minor injuries. Visual meteorological conditions existed for the personal flight that originated from the Big Bear Lake, California, airport at 0930.

The pilot reported that just prior to liftoff a gust of wind "slammed me to the right about 20 degrees to 30 degrees off the center line of the runway." He reported that he evacuated the aircraft due to the smell of fire. The pilot stated that "as I was walking to find water and a phone, I noticed 3 twisters (dirt devils) going away from the runway and 2 twisters coming toward the runway."

According to a Federal Aviation Administration inspector form the Riverside, California, Flight Standards District Office who is familiar with this airport, this weather phenomena is common during the summer months, and is not associated with any specific wind condition.

Aircraft

Registration
N4733F
Reported as
Cessna P206B
Category
Airplane
Serial number
0333
Airframe hours
3,200
Engine
Continental IO-520, 285 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Personal · Part 91
Registered owner
Scott C. Vos
Airworthiness certificate
Standard, Normal
Last inspection
Annual · March 1, 1997
Departed
L35 · Big Bear Lake, CA
Destination
L64
Airport
L64 · Desert Center, runway 5, 4,200 × 50 ft, asphalt

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
42
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
550 total · 450 in this make and model · 10 in the last 90 days · 5 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
180° at 7 knots
Visibility
40 statute miles
Lowest ceiling
None
Temperature
109 °F, dew point 55 °F
Altimeter
29.00 inHg
Observed at
BLH, 31 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.