ANC10LA071

NTSB accident investigation · Piper PA-32-260 · Chickaloon, AK · August 8, 2010

Accident · Minor injuriesLimited investigationFinal report
Date
August 8, 2010, 13:05 local (21:05 UTC)
Place
Chickaloon, AK
Injuries
2 minor, 3 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N3432WPiper PA-32-260
Defining event
Enroute-cruise: Loss of visual reference
Weather
Instrument (IMC) · Day
Status
Completed · report April 7, 2011
Report
Approved by Office Director
NTSB office
Alaska Regional Office
Parties
FAA FSDO-03
FAA report
20100808043869A
Case key
77058

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 continued visual flight into instrument meteorological conditions, resulting in an in-flight collision with terrain.

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.

Convective weatherEnvironmental issues › Conditions/weather/phenomena · Contributed to outcomePiper PA-32-260: 1 caseAll aircraft: 17 cases

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 non-instrument-rated pilot stated that he departed the airport in visual flight rules conditions, with various cloud layers throughout the area. As he climbed toward the snowfields at the top of a glacier, the clouds rapidly filled in underneath and built up around the airplane as he attempted to climb above them. He could not maintain sight of the ground and entered instrument meteorological conditions. The airplane had slowed to about 70 knots and he was making a wings-level rudder turn when the airplane impacted the glacier. The pilot said there were no preimpact mechanical problems with the airplane. He reported the wings and fuselage were damaged during the impact.

Factual narrative

On August 8, 2010, about 1305 Alaska daylight time, a Piper PA-32-260 airplane, N3432W, sustained substantial damage when it collided with terrain about 35 miles southeast of Chickaloon, Alaska. The airplane was being operated by the pilot as a visual flight rules (VFR) personal local flight under the provisions of Title 14, Code of Federal Regulations (CFR), Part 91. The private pilot and one passenger received minor injuries; the three remaining passengers were not injured. The flight departed the Palmer Airport, Palmer Alaska, about 1230. During a telephone conversation with the National Transportation Safety Board (NTSB) investigator-in-charge (IIC) on August 28, the pilot said he departed the airport in VFR conditions with various cloud layers throughout the area. He said he was taking visiting family friends for a flight around a local glacier he was very familiar with. The pilot reported that as he climbed toward the snowfields at the top of the glacier, the clouds rapidly filled in underneath, forming an undercast, and built up around the airplane as he attempted to climb above them. He said as the clouds surrounded the airplane, he lost sight of the ground, and found himself in instrument meteorological conditions. The pilot said the airplane had slowed to about 70 knots airspeed, and he was making a wings level pedal turn when the airplane impacted the glacier. The airplane slid 60-70 yards before stopping. The pilot said there were no mechanical problem with the airplane prior to the accident. He reported the wings and fuselage were damaged during the impact.

Aircraft

Registration
N3432W
Reported as
Piper PA-32-260
Category
Airplane
Serial number
32-329
Airframe hours
3,614
Engine
Lycoming O-540 SERIES, 250 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Donald Erbey
Registered owner
Erbey Roland
Airworthiness certificate
Standard, Normal
Last inspection
Annual · July 20, 2010
Departed
PAAQ · Palmer, AK
Destination
PAAQ · Palmer, AK

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
41
Injuries
Minor
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Without waivers/limitations
Last flight review
November 11, 2009
Seat
Left
Flight hours
793 total · 300 in this make and model · 765 as pilot in command · 40 in the last 90 days

Weather

Conditions
Instrument (IMC) · Day
Wind
Variable at 3 knots
Visibility
10 statute miles
Lowest ceiling
9,800 ft broken
Temperature
63 °F, dew point 52 °F
Altimeter
29.79 inHg
Observed at
PAAQ, 40 nm away

Docket · 1

The files NTSB released with the investigation on November 5, 2010, on NTSB’s docket system: statements, records, photos and specialists’ reports. 487 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.

Other investigations on N3432W · 1

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