CHI96LA232
1996-07-10 · INDEPENDENCE, Iowa, United States · None · 1 aircraft · Status: Completed
Airport IIB
Aircraft involved
Probable cause & findings
the delayed jettison of the dry chemicals by the pilot. The inability of the airplane to climb was a related factor.
Factual narrative
On July 10, 1996, at 0700 central daylight time (cdt), a Cessna 188, N9542J, was substantially damaged when the airplane impacted with terrain approximately two miles north of the Independence Airport, Independence, Iowa. The airplane was loaded with dry insecticide, and insecticide was found on the ground just prior to the first impact point. The commercial rated pilot was uninjured in the accident. Visual meteorological conditions prevailed at the time of the 14 CFR part 137 flight, and no flight plan had been filed. The pilot reported on NTSB form 6120.1/2 that at takeoff, the airplane had 1,200 pounds of dry chemicals, and 240 pounds of fuel on board. The pilot reported that after takeoff, the airplane would not gain airspeed or altitude, and never left ground effect. The pilot reported that on the previous day the temperatures were higher, and with the same load as the accident flight the airplane operated with no difficulties. After the accident no abnormalities were noted with the airframe or the engine. All engine controls were found attached, and all cylinders had compression when the crankshaft was rotated. The magneto's appeared to operate normally when checked, and when the oil filter was cut open no visible contamination was found. The turbocharger turbine wheel rotated freely after the accident. The air induction system to the engine was compromised. The rudder and elevator controls cables were still attached. The aileron cables were separated from the aileron, and showed signs similar to an overload failure. The airplane's hopper was compromised, and the dry chemicals were not weighed following the accident. The airplane's left wing, landing gear and engine were separated from the fuselage of the airplane, during the accident. The pilot reported that after takeoff, the airplane would not gain airspeed or altitude, and never left ground effect. The airplane was loaded with insecticide, and it impacted the terrain approximately two miles north of the airport. Insecticide was found on the ground just prior to the first impact point. After the accident, no abnormalities were noted with the airframe or the engine. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1996_CHI96LA232.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
Matched on aircraft type. All research papers
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- Embry-Riddle Scholarly Commons 2018 · Conference paper Assessing Small UAS Operator Flight Behavior and Potential Interference with Aviation Operations in Controlled Airspace
The rapid rise of small UAS (sUAS) operations in the National Airspace System is generating an increasing concern about possible interference with manned aircraft.
- Embry-Riddle Scholarly Commons 2017 · Conference paper Age Differences in Helicopter Accidents: A Preliminary Investigation
This study utilized the NTSB database from 2006 to 2016 to examine differences in severity of accidents by age for helicopter operations.