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Atlas / NTSB / DEN99LA161

NTSB CAROL · Event

Event DEN99LA161

1999-09-01 HEBER CITY, Utah, United States Airport · 36U None 1 aircraft Status: Completed

Registry · N86096

FAA Aircraft Registry record.

Make / Model

AERONCA 11AC

Year of manufacture

1946 · 53 years old at event

Engine

CONT MOTOR A&C65 SERIES (65 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

19560112

ADS-B equipped

Yes — Mode-S ABD289

Registrant of record

DELANEY JAMES E TRUSTEE

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

The pilot's failure to maintain aircraft control during takeoff roll. Factors were the gusting crosswind conditions, and the airport sign.

Factual narrative

On September 1, 1999, approximately 1615 mountain daylight time, an Aeronca Chief 11BC, N86096, was substantially damaged during takeoff when the left wing strut impacted an airport sign at Heber City Municipal Airport, Heber City, Utah. The private pilot, the sole occupant in the airplane, was not injured. The airplane was being operated by the pilot under Title 14 CFR Part 91. Visual meteorological conditions prevailed for the cross-country flight which was originating at the time of the accident. No flight plan had been filed. The pilot reported that during the takeoff roll on runway 21, a gust of wind lifted the right wing. He reduced power to idle, but the airplane departed the left side of the runway and impacted an airport "light stand." The pilot had the airplane examined by a mechanic, then continued the flight the following morning. The airplane's left rear strut was subsequently replaced. The pilot reported that the "light stand" was approximately 630 feet from the point where power was first applied, and approximately 54 feet left of the runway's edge. The pilot reported that during the takeoff roll on runway 21, a gust of wind lifted his right wing. He said that he reduced the power to idle, but the airplane departed the left side of the runway and impacted an airport 'light stand.' He pilot had the airplane examined by a mechanic, and the pilot continued his flight the following morning. The airplane's left rear strut was subsequently replaced. The pilot reported that the sign was approximately 630 feet from the point where power was first applied, and that the sign was approximately 54 feet left of the runway's edge. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1999_DEN99LA161.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.