ERA11CA134

NTSB accident investigation · Piper PA-12 · Sebago Lake, ME · February 5, 2011

Accident · Serious injuriesData collectionFinal report
Date
February 5, 2011, 16:00 local (21:00 UTC)
Place
Sebago Lake, ME
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N3806MPiper PA-12
Defining event
Approach-VFR go-around: Abnormal runway contact
Weather
Instrument (IMC) · Day
Status
Completed · report June 20, 2011
Report
Approved by Office Director
NTSB office
Eastern Region Aviation
Parties
FAA FSDO
FAA report
20110205003129A
Case key
78283

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 initiation of a right turn with insufficient altitude remaining during an aborted landing resulting in a collision with the landing surface.

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.

Performance/control parameters: lateral/bank controlAircraft › Aircraft oper/perf/capability · Incorrect use/operationPiper PA-12: 2 casesAll aircraft: 390 casesProbable cause
Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotPiper PA-12: 51 casesAll aircraft: 9,295 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, he was attempting to land on a frozen lake, about 200 yards off shore. He encountered severe snow conditions and aborted the landing. He banked the airplane, and the right wing contacted ice and snow on the lake surface. The right wing separated and the airplane crashed on the lake. The pilot reported that the airplane had just been fueled and was operating normally at the time of the accident.

Factual narrative

According to the pilot, he was attempting to land on a frozen lake, about 200 yards off shore. He encountered severe snow conditions and aborted the landing. He banked the airplane, and the right wing contacted ice and snow of the lake surface. The right wing separated and the airplane crashed on the lake. The pilot sustained serious injuries. The pilot reported that the airplane had just been fueled and was operating normally at the time of the accident.

Aircraft

Registration
N3806M
Reported as
Piper PA-12
Category
Airplane
Serial number
12-2563
Airframe hours
4,322
Engine
Lycoming O-360-A1D, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Randall, Richard Carl
Registered owner
Air Ads Inc
Airworthiness certificate
Standard, Normal
Last inspection
Annual · January 4, 2011
Departed
0B1 · Bethel, ME
Destination
0B1 · Bethel, ME

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
71
Injuries
Serious
Certificate
Commercial
Airplane ratings
Multi-engine land, Single-engine land, Single-engine sea
Instrument ratings
Airplane, Helicopter
Medical
Class 2, With waivers/limitations
Seat
Front
Flight hours
3,100 total · 100 in this make and model

Weather

Conditions
Instrument (IMC) · Day
Wind
190° at 4 knots
Visibility
2 statute miles
Lowest ceiling
1,400 ft broken
Temperature
30 °F, dew point 25 °F
Altimeter
29.80 inHg
Observed at
PWM, 20 nm away

Docket · 3

The files NTSB released with the investigation on May 4, 2011, on NTSB’s docket system: statements, records, photos and specialists’ reports. 143 KB 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.