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NTSB Report

August 11, 2007 · Aeronca 7AC · N82192

Big Lake, AK

Overview

Report Status
Final with probable cause
Event Type
Accident
Date
August 11, 2007
Injury Outcomes
1 injury (1 minor injury)
Location
Big Lake, AK
Aircraft
Aeronca 7AC
Tail Number
N82192
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
ANC07LA079

The student pilot said that while en route to his intended destination airport, he decided to look at some lake front property. He said that as he made a right downwind turn over the lake, about 500 feet agl, the right wing stalled, and the airplane descended vertically. During the student's effort to recover from the stall, the right wing struck a tree on the lake's shoreline, and the airplane came to rest about 30 feet from shore. The student pilot reported there were no preaccident mechanical problems with the airplane.

NTSB Probable Cause

The student pilot's failure to maintain adequate airspeed to avoid an inadvertent stall while maneuvering.

Full Narrative

On August 10, 2007, about 1700 Alaska daylight time, a wheel-equipped Aeronca 7AC airplane, N82192, sustained substantial damage following a loss of control, and subsequent collision with trees, while maneuvering about 2 miles northeast of Big Lake, Alaska. The airplane was being operated as a visual flight rules (VFR) cross-country personal flight under Title 14, CFR Part 91 when the accident occurred. The solo student pilot sustained minor injuries. Visual meteorological conditions prevailed at the time of the accident, and no flight plan was filed. The flight originated at the Palmer Airport, Palmer, Alaska about 1600, and was en route to the Willow Airport, Willow, Alaska. During a telephone conversation with the National Transportation Safety Board (NTSB) investigator-in-charge (IIC) on August 12, the student pilot reported that that while en route to his destination airport, he elected to fly over a lake to view some property. He said that as he made a right, downwind turn, the right wing stalled, and the airplane descended nose first. He reported that he was able to level the wings just before the airplane's right wing struck a large tree, which pivoted the airplane to the right. The airplane descended vertically and came to rest in the lake, about 30 feet from the shoreline. The student pilot reported that there were no preaccident mechanical anomalies with the airplane.

Flight

Event TypeAccident
Event Time17:00 AKDT
Nearest Airport0nm
Flight Plan FiledNone
Flight Plan ActivatedNo
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftAeronca 7AC
Tail NumberN82192
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsContinental · C-90 · Reciprocating · 90
Seats2

People & Injuries

Injury Summary1 injury (1 minor injury)
Fatal0
Serious0
Minor1
Uninjured0
Total1
Crew 1Age 30 · Third Class · Minor

Conditions

ConditionsVMC
LightDaylight
Wind5 kt, gusting 20 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point0 C
Altimeter0
Weather SourcePILO

Appendix: Source Data