LAX94LA247

NTSB accident investigation · Grumman G-164A · Bakersfield, CA · June 11, 1994

Accident · Serious injuriesLimited investigationFinal report
Date
June 11, 1994, 09:25 local (16:25 UTC)
Place
Bakersfield, CA
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N8507HGrumman G-164A
Weather
Visual (VMC) · Day
Status
Completed · report November 14, 1994
Report
Approved by Office Director
FAA report
19940611015189A
Case key
28767

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 in-flight fire due to the spontaneous combustion of sulfur dust and subsequent forced landing. A factor was the high temperature.

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.

FireManeuvering - aerial application
Weather condition - temperature extremesFactor
Hazardous material - fireCause
Forced landingDescent - emergency
Nose overLanding
Terrain condition - wet

Analysis

During the last application of sulfur dust to a field, the pilot experienced an in-flight fire in the spreader. The pilot made a forced landing and nosed over. According to the operator, the sulfur dust had a spontaneous combustion due to the high ambient air temperature.

Factual narrative

On June 11, 1994, at 0925 hours Pacific daylight time, a Grumman G-164A, N8507H, collided with terrain 5 miles west of Bakersfield, California. The aircraft was operated by Vince Crop Dusters I, Buttonwillow, California, and was engaged in aerial application operations. The airplane sustained substantial damage, and the certificated airline transport pilot was seriously injured. Visual meteorological conditions prevailed and the airplane was being operated under visual flight rules.

In a telephone interview, the operator stated that the pilot was spraying the field with sulfur dust when he encountered an in-flight fire. The pilot landed in a field and flipped over. The operator indicated that spontaneous combustion of the sulfur had occurred due to high temperatures. In his report, the pilot stated the dust caught fire in the spreader in an explosion like condition. The pilot indicated no mechanical malfunction or failure.

Aircraft

Registration
N8507H
Reported as
Grumman G-164A
Category
Airplane
Serial number
1384
Airframe hours
2,145
Engine
P&W R-1340, 600 horsepower, reciprocating
Damage
Substantial damage
Fire
In-Flight
Flight
Aerial application · Part 137
Operator
Vince Crop Dusters I
Registered owner
Vince Crop Dusters
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · May 23, 1994 · 17 hours before
Departed
Buttonwillow, CA
Flight plan
Company VFR

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
48
Certificates
Commercial, Airline transport
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Center
Flight hours
18,000 total · 10,000 in this make and model · 16,000 as pilot in command · 250 in the last 90 days · 150 in the last 30 days · 5 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
280° at 4 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
91 °F
Altimeter
28.00 inHg
Observed at
BFL

FAA reports on this event · 1

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

Other investigations on N8507H · 4

Matched to the same aircraft by N-number and date.