N5512N

Substantial
Fatal

AERONCA 11AC S/N: 11AC-1725

Accident Details

Date
Tuesday, June 28, 1994
NTSB Number
LAX94LA267
Location
WICKENBURG, AZ
Event ID
20001206X01582
Aircraft Damage
Substantial
Highest Injury
Fatal
Fatalities
1
Serious Injuries
0
Minor Injuries
0
Uninjured
0
Total Aboard
1

Probable Cause and Findings

LOSS OF ENGINE POWER FOR AN UNKNOWN REASON, AND FAILURE OF THE PILOT TO MAINTAIN AIRSPEED, WHICH RESULTED IN AN INADVERTENT STALL AND COLLISION WITH THE GROUND.

Aircraft Information

Registration
N5512N
Make
AERONCA
Serial Number
11AC-1725
Engine Type
Reciprocating
Model / ICAO
11AC AB11
Aircraft Type
Fixed Wing Single Engine
No. of Engines
1

Registered Owner (Historical)

Name
HELMSWORTH EUGENE H
Address
PO BOX 757
Status
Deregistered
City
WICKENBURG
State / Zip Code
AZ 85358
Country
United States

Analysis

On June 28, 1994, about 0810 hours mountain standard time, an Aeronca 11AC, N5512N, was substantially damaged during a collision with terrain near Wickenburg, Arizona. The pilot received fatal injuries. Visual meteorological conditions prevailed for the local personal flight.

The flight was originating at the time of the accident. The pilot was reportedly planning on doing some touch-and-go landings on runway 13 at Moreton, a private dirt airstrip. The Moreton airstrip is listed as 4,700 feet long at an elevation of 2,455 feet msl. The temperature was reported as 110 degrees Fahrenheit. The density altitude was calculated to be about 6,500 feet.

A witness reported that he observed the airplane taxi to the end of the runway, turn around, and take off. He stated that the airplane became airborne soon after the takeoff roll. Then while airborne, the engine cut in and out three times before quitting completely. The witness lost sight of the airplane and realized that the pilot was about out of runway. He drove out towards the runway and observed the aircraft nose down in the ground off the end of the runway.

According to the widow, the pilot had by-pass surgery in 1989 after experiencing a heart attack and, in 1993, suffered a stroke. Also, she indicated that the engine quit twice in the last month. She did not give any details.

Inspectors from the Federal Aviation Administration (FAA) reported that they found the throttle control handle at flight idle and the fuel mixture control in the full rich position. The fuel primer was in and locked and the magneto was on the both position. They reported no mechanical problems with the engine.

The Yavapai County Medical Examiner's Office in Prescott, Arizona, performed the autopsy and listed the cause of death as trauma with no evidence of an acute cardiac event. The toxicological report was negative for drugs or alcohol.

Data Source

Data provided by the National Transportation Safety Board (NTSB). For more information on this event, visit the NTSB Records Search website. NTSB# LAX94LA267