WPR11LA150

NTSB accident investigation · Cessna 140A · Newark, CA · February 26, 2011

Accident · No injuriesLimited investigationFinal report
Date
February 26, 2011, 12:45 local (20:45 UTC)
Place
Newark, CA
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Prior to flight
Aircraft
N5351CCessna 140A
Defining event
Prior to flight: Fuel contamination
Weather
Visual (VMC) · Day
Status
Completed · report November 5, 2012
Report
Approved by Office Director
NTSB office
Western Pacific Region
Parties
Federal Aviation Administration
FAA report
20110226003569A
Case key
78458

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

A loss of engine power due to water contamination in the fuel system as a result of the pilot’s inadequate preflight inspection to identify and remove the water.

Findings · 2

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Fluids: fuelAircraft › Fluids/misc hardware · Fluid conditionCessna 140A: 1 caseAll aircraft: 1,695 casesProbable cause
Inspection: preflight inspectionPersonnel issues › Task performance · PilotCessna 140A: 1 caseAll aircraft: 551 casesProbable cause

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The pilot reported that he had just purchased the airplane. Prior to the flight, he completed a preflight inspection, which included filling the fuel tanks and then draining the fuel sump points and looking for water. During the initial climb after takeoff, the engine lost power and the pilot made a forced landing. During the landing roll, the airplane nosed over. A postaccident engine examination found water in the carburetor bowl. The estimated quantity of water was about 3/4 ounce. Evidence of water was also found in the gascolator. At the conclusion of the engine examination, no evidence of a preimpact mechanical malfunction or failure was found that would have precluded normal operation.

Factual narrative

HISTORY OF FLIGHT On February 26, 2011, about 1245 Pacific standard time (PST), a Cessna 140A, N5351C, nosed over during a forced landing following a loss of engine power near Newark, California. The owner/pilot was operating the airplane under the provisions of 14 Code of Federal Regulations (CFR) Part 91. The airline transport pilot was not injured; the airplane sustained substantial damage. The cross-country personal flight departed Palo Alto Airport, Palo Alto, California, about 1240, with a planned destination of Victorville, California. Visual meteorological conditions prevailed, and no flight plan had been filed. The pilot had just purchased the airplane on February 26, 2011, and it was being flown to his home in Illinois. After takeoff, the pilot reported that the engine lost power. During the forced landing the airplane flipped over. The airplane sustained substantial damage to the main landing gear box. The airplane was recovered for further investigation. The pilot submitted a Pilot/Operator Aircraft Accident Report (NTSB Form 6120.1/2), and reported that he had drained the sump points after filling the airplane with fuel; however, he did not lift the tail prior to sumping the tanks. He opined that since the airplane was a tailwheeled airplane, the water might have been trapped. On March 2, 2011, the airplane and engine were examined at Plain Parts Enterprises, Pleasant Grove, California. During the examination, water was found in the carburetor bowl. The estimated quantity of water was about 3/4 ounce. Evidence of water was also found in the gascolator. A copy of the wreckage examination is attached to the accident docket. At the conclusion of the engine examination, no evidence of preimpact mechanical malfunctions or failures were found that would have precluded normal operation.

Aircraft

Registration
N5351C
Reported as
Cessna 140A
Category
Airplane
Serial number
15482
Airframe hours
2,050
Engine
Cont Motor C90 SERIES, 95 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Morris Kenneth E
Registered owner
Morris Kenneth E
Airworthiness certificate
Standard, Utility
Last inspection
Annual · February 2, 2011 · 1 hours before
Departed
PAO · Palo Alto, CA
Destination
Victorville, 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
56
Injuries
None
Certificates
Flight instructor, Flight engineer, Airline transport
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, With waivers/limitations
Last flight review
May 24, 2010
Seat
Left
Flight hours
30,000 total · 2,500 in this make and model · 20,000 as pilot in command · 30 in the last 90 days · 10 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
350° at 8 knots
Visibility
30 statute miles
Lowest ceiling
4,000 ft broken
Temperature
66 °F, dew point 30 °F
Altimeter
29.88 inHg
Observed at
PAO, 3 nm away

Docket · 3

The files NTSB released with the investigation on August 1, 2012, on NTSB’s docket system: statements, records, photos and specialists’ reports. 1.9 MB in all.

FAA reports on this event · 1

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