LAX04CA278

NTSB accident investigation · Cessna A185F · Gridley, CA · July 24, 2004

Accident · No injuriesData collectionFinal report
Date
July 24, 2004, 11:00 local (18:00 UTC)
Place
Gridley, CA
Injuries
1 uninjured
Damage
Destroyed
Phase of flight
Initial climb
Aircraft
N93DMCessna A185F
Weather
Visual (VMC) · Day
Status
Completed · report September 29, 2004
Report
Approved by Office Director
Parties
Federal Aviation Administration
FAA report
20040724018829A
Case key
59755

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 improper use of the rudder to correct for torque and P-factor effects and failure to maintain obstacle clearance.

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 objectTakeoff - initial climb
Torque/p-factor - not correctedPilot in commandFactor
Object - tree(s)
Rudder - improper use ofPilot in commandCause
Clearance - not maintainedPilot in commandCause

Analysis

The airplane veered left until impacting nearby trees seconds after taking off from an airstrip. The pilot had previously departed from the 1,800-foot-long private airstrip, but this was his first departure from the airstrip in the Cessna A185F, which has a 300-horsepower engine. No anomalies were detected with the airplane during the pilot's preflight inspection. The pilot indicated that during the initial climb in the calm wind, he had inadequately applied corrective rudder to compensate for the airplane's left turning tendency (also known as torque/P-factor).

Factual narrative

On July 24, 2004, about 1100 Pacific daylight time, a Cessna A185F, N93DM, collided with trees during initial climb from a private airstrip about 1.5 miles northeast of Gridley, California. The airplane was substantially damaged during the impact sequence, and it was destroyed in the subsequent ground fire. The private pilot was not injured. The airplane was operated as a business flight by its owner, the Mariana Nut Company, Inc., under the provisions of 14 CFR Part 91. Visual meteorological conditions prevailed, and no flight plan had been filed. The flight was originating at the time of the accident.

The pilot indicated to the National Transportation Safety Board investigator that he had previously taken off from the 1,800-foot-long private airstrip, but this was his first departure from the airstrip in the Cessna A185F, which has a 300-horsepower engine. No anomalies were detected with the airplane during the preflight inspection. The wind was calm during takeoff, and seconds after becoming airborne the airplane drifted left. The pilot reported that he likely did not adequately apply corrective rudder, and he allowed the airplane to veer left until impacting trees, which were located near the airstrip.

Aircraft

Registration
N93DM
Reported as
Cessna A185F
Category
Airplane
Serial number
18503667
Engine
Continental IO-520-DB4, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Business · Part 91
Operator
Mariani Nut Company, Inc.
Registered owner
Mariani Nut Co., Inc.
Airworthiness certificate
Standard, Normal
Departed
Gridley, CA
Destination
2Q3 · Yolo, 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
62
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3
Flight hours
808 total · 139 in this make and model · 20 in the last 90 days · 14 in the last 30 days

Weather

Conditions
Visual (VMC) · Day

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 N93DM · 1

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