On July 3, 1989, a Cessna T188C (registration N9438J) was involved in an aviation accident near Wannaska, MN. Investigators recorded the probable cause as: THE PILOT-IN-COMMAND DID NOT MAINTAIN AIRSPEED, RESULTING IN AN INADVERTENT STALL. This summary draws on records from the U.S. National Transportation Safety Board (NTSB) historical archive.
An aircraft crashed in a steep nose-down attitude into a swampy area while dispensing chemicals for grasshopper control at late dusk. No preimpact mechanical failures were evident.
What happened
The pilot was conducting agricultural operations to dispense chemicals for grasshopper control during the late dusk period. While performing these duties, the aircraft crashed in a steep nose-down attitude within a swampy area.
During the impact sequence, significant structural damage occurred to the forward sections of the airframe. The nose and the leading edges of the wings were crushed aftward. The fuselage sustained slight buckling on the left side, although the empennage remained undamaged.
The investigation
Examination of the wreckage revealed no evidence of preimpact part failure or mechanical malfunction that could have contributed to the accident.
What happened in the 3 Jul 1989 Cessna T188C accident near Wannaska, MN?
An aircraft crashed in a steep nose-down attitude into a swampy area while dispensing chemicals for grasshopper control at late dusk. No preimpact mechanical failures were evident.
What aircraft was involved and where did it happen?
The accident on 3 Jul 1989 involved a Cessna T188C, registration N9438J, at Wannaska, MN.
What was the probable cause of the accident?
THE PILOT-IN-COMMAND DID NOT MAINTAIN AIRSPEED, RESULTING IN AN INADVERTENT STALL.
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