CEN12LA192

NTSB accident investigation · Aero Commander 100 · Seguin, TX · January 28, 2012

Accident · Minor injuriesLimited investigationFinal report
Date
January 28, 2012, 10:23 local (16:23 UTC)
Place
Seguin, TX
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N5551MAero Commander 100
Defining event
Initial climb: Loss of engine power (partial)
Weather
Visual (VMC) · Day
Status
Completed · report August 29, 2012
Report
Approved by Office Director
NTSB office
Central Region
FAA report
20120128009849A
Case key
83168

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Probable cause

A loss of engine power for undetermined reasons.

Findings · 1

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.

Not determinedNot determined › Not determined · Unknown/Not determinedAero Commander 100: 3 casesAll aircraft: 2,247 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

According to the pilot, the engine lost power shortly after takeoff. During the forced landing to a field, the airplane struck a wire fence and nosed over. The weather and the field conditions where the airplane nosed over prevented the recovery of the airplane and hindered investigators in examining the engine and fuel system. A review of the carburetor icing probability chart revealed that the airplane was not operating in an area favorable for the formation of carburetor icing.

Factual narrative

On January 28, 2012, at 1023 central standard time, an Aero Commander 100, N5551M, was substantially damaged during a forced landing to a field near Seguin, Texas. Visual meteorological conditions prevailed at the time of the accident. The pilot received minor injuries. The personal flight was being conducted under the provisions of 14 Code of Federal Regulations Part 91 without a flight plan. The flight had just departed a private airstrip near Page, Texas, and was en route to Huber Airpark, Seguin, Texas. According to the pilot, the engine lost power shortly after takeoff. The pilot did not observe a mechanical noise, surging, or backfiring with the loss of engine power. During the forced landing to a field the airplane struck a wire fence and nosed over. The vertical stabilizer was crushed and the firewall was wrinkled. The Federal Aviation Administration inspector who responded to the accident reported that the airplane had not been flown since its last annual inspection in June of 2011. He stated that 10 gallons of fuel were added to the right wing and the purpose of the flight was to relocate the airplane to a nearby airport for more fuel. The pilot stated that the engine ran for 15 minutes on the ground, without any problems, prior to departure. The weather and the field conditions where the airplane nosed over prevented the recovery of the airplane and hindered investigators in examining the engine and fuel system. A review of the carburetor icing probability chart, located in the FAA's Special Airworthiness Information Bulletin CE-09-35, dated 6/30/2009, revealed that the airplane was not operating in an area favorable for the formation of carburetor icing.

Aircraft

Registration
N5551M
Reported as
Aero Commander 100
Category
Airplane
Serial number
087
Airframe hours
2,000
Engine
Lycoming O-320 SERIES, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Standard, Normal
Last inspection
Annual · June 1, 2011
Departed
45XA · Page, TX
Destination
E70 · Seguin, TX

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
55
Injuries
Minor
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, With waivers/limitations
Last flight review
December 6, 2011
Seat
Left
Flight hours
141 total · 4 in the last 90 days · 4 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
40° at 19 knots, gusting 23
Visibility
10 statute miles
Lowest ceiling
None
Temperature
52 °F, dew point 27 °F
Altimeter
30.39 inHg
Observed at
KBAZ

Docket · 2

The files NTSB released with the investigation on June 29, 2012, on NTSB’s docket system: statements, records, photos and specialists’ reports. 2.7 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.

Other investigations on N5551M · 1

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