MKC89DER01

NTSB accident investigation · Cessna T188C · Wannaska, MN · July 3, 1989

Accident · FatalFinal report
Date
July 2, 1989, 21:30 local (Jul 3, 1989, 02:30 UTC)
Place
Wannaska, MN
Injuries
1 fatal
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N9438JCessna T188C
Weather
Visual (VMC) · Dusk
Status
Completed · report March 17, 1992
Report
Approved by Office Director
FAA report
19890702019449A
Case key
34658

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

The pilot-in-command did not maintain airspeed, resulting in an inadvertent stall.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Loss of control - in flightManeuvering - aerial application
Airspeed - not maintainedPilot in commandCause
Stall - inadvertentPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled

Analysis

The plt was dispensing chemicals for grasshopper control at late dusk. Subsequently, the acft crashed in a steep nose down attitude in a swampy area. During impact, the nose & leading edges of the wings were crushed aft. The fuselage was slightly buckled on the left side, but the empennage was not damaged. No preimpact part failure or malfunction was evident.

Aircraft

Registration
N9438J
Reported as
Cessna T188C
Category
Airplane
Serial number
T18803805T
Airframe hours
1,001
Engine
Continental TSIO-520-T, 310 horsepower, reciprocating
Damage
Substantial damage
Flight
Aerial application · Part 137
Registered owner
Charles T. Lofton
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · May 15, 1989 · 113 hours before
Departed
Roseau, MN

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
43
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Center
Toxicology
Performed
Flight hours
4,000 total

Weather

Conditions
Visual (VMC) · Dusk
Wind
Calm
Visibility
15 statute miles
Lowest ceiling
None
Temperature
81 °F, dew point -0 °F

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.