ANC11CA098

NTSB accident investigation · Cessna 180A · McGrath, AK · September 14, 2011

Accident · No injuriesData collectionFinal report
Date
September 13, 2011, 21:30 local (Sep 14, 2011, 05:30 UTC)
Place
McGrath, AK
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N7814ACessna 180A
Defining event
Initial climb: Loss of control in flight
Weather
Visual (VMC) · Dusk
Status
Completed · report November 3, 2011
Report
Approved by Office Director
NTSB office
Alaska Regional Office
Parties
FAA FSDO-03
FAA report
20110913022339A
Case key
81753

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

The pilot's loss of control when encountering a downdraft during the initial climb after takeoff, resulting in a collision with terrain.

Findings · 3

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: climb rateAircraft › Aircraft oper/perf/capability · Not attained/maintainedCessna 180A: 1 caseAll aircraft: 265 casesProbable cause
Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotCessna 180A: 15 casesAll aircraft: 9,295 casesProbable cause
Wind: downdraftEnvironmental issues › Conditions/weather/phenomena · Contributed to outcomeCessna 180A: 1 caseAll aircraft: 178 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 pilot reported that he was taking off from a sandbar when the airplane encountered a downdraft. The left landing gear subsequently struck the riverbank and was sheared off. The left wing then contacted the ground and the airplane slid to a stop on its fuselage, receiving substantial damage to the left wing, fuselage and tail section.

Factual narrative

The pilot reported he was taking off from a sandbar when the airplane encountered a downdraft. The left landing gear subsequently struck the riverbank, and was sheared off. The left wing then contacted the ground, and the airplane slid to a stop on its fuselage, receiving substantial damage to the left wing, fuselage and tail section.

Aircraft

Registration
N7814A
Reported as
Cessna 180A
Category
Airplane
Serial number
32711
Airframe hours
6,513
Engine
Cont Motor O-470 SERIES, 230 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Jurenka Terry
Registered owner
Jurenka Terry
Airworthiness certificate
Standard, Normal; Special, Experimental (Special)
Last inspection
Annual · August 27, 2011
Departed
McGrath, AK
Destination
MRI · Anchorage, 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
64
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Without waivers/limitations
Last flight review
June 11, 2009
Seat
Left
Flight hours
1,774 total · 1,489 in this make and model · 1,774 as pilot in command · 112 in the last 90 days · 46 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Dusk
Visibility
50 statute miles
Lowest ceiling
None
Temperature
48 °F

Docket · 1

The files NTSB released with the investigation on October 3, 2011, on NTSB’s docket system: statements, records, photos and specialists’ reports. 146 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 N7814A · 3

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