Thunder And Colt 120A accident near Bloomington, IL

On August 16, 1994, a Thunder And Colt 120A (balloon) was involved in an accident near Bloomington, IL. 2 people were seriously injured. Damage to the aircraft: substantial.

Date
August 16, 1994
Place
Bloomington, IL
Aircraft
Thunder And Colt 120A · Balloon
Injuries
0 fatal, 2 serious, 1 minor
Damage
Substantial
Position
40.469°N, 88.970°W
NTSB ID
20001206X02000

NTSB summary

On August 15, 1994, at 2000 central daylight time, a Thunder & Colt 120A free balloon, N416TC, owned and operated by Walter R. Rudy of Bloomington, Illinois, sustained substantial damage when it contacted powerlines while landing in Bloomington, Illinois. The commercial pilot and two passengers reported no injuries. Two passengers sustained serious injuries and one passenger sustained minor injuries. The sight-seeing revenue flight originated near Bloomington, Illinois, about 1930 and was conducted under 14 CFR Part 91 in visual meteorological conditions. In his written statement, the pilot reported he received weather information from Direct User Access Terminal Service (DUATS), from commercial television, and from the Bloomington Tower. Also, a helium pilot observation balloon (PIBAL) was launched. He said the first 20 minutes of the flight were unremarkable and winds were about three knots. He said that while descending through 1,600 feet mean sea level (MSL) the balloon began to circle with the wind and was "pulled" toward downtown Bloomington. The pilot reported the balloon was entrained in a "large thermal." He made three approach attempts, and aborted each because of the "circling wind." He said the balloon was moving "precariously close" to a tower and the downtown area. He made an approach to a parking lot then attempted to land on the roof of a building. The basket slid over the building and the envelope continued into powerlines on the leeward side. He said there was a "loud pop and a bright flash" and the basket settled gently to the ground. Ten flying wires on

Probable cause

the unforcast, unanticipated adverse wind conditions and thermal activity. A factor was the powerlines.

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