- Date
- June 27, 1983, 18:45 local (23:45 UTC)
- Place
- Marshall, MO
- Injuries
- 1 minor
- Damage
- Destroyed
- Phase of flight
- Enroute
- Aircraft
- N9639JCessna T188C
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19830627027219A
- Case key
- 33427
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
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.
Analysis
The eng failed while enroute to spray. The acft was observed to jettison its load prior to impacting trees in a wooded pasture. Metallurgical examination revealed that the crankshaft, P/N631716, had fractured from fatigue progression through the forward cheek of the #3 main bearing journal. Initiation had occurred 0.047 inches below the forward radius surface. No metallurgical abnormalities were found at the origin site.
Aircraft
- Registration
- N9639J
- Reported as
- Cessna T188C
- Category
- Airplane
- Serial number
- T188030T
- Airframe hours
- 115
- Engine
- Continental TSIO-520-T, 310 horsepower, reciprocating
- Damage
- Destroyed
- Fire
- On-Ground
- Flight
- Aerial application · Part 137
- Registered owner
- Dyer The Flyer, Inc.
- Airworthiness certificate
- Special, Restricted (Special)
- Last inspection
- Annual · October 11, 1982
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 45
- Certificates
- Flight instructor, Commercial
- Airplane ratings
- Multi-engine land, Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Seat
- Center
- Flight hours
- 15,037 total · 50 in this make and model · 14,909 as pilot in command · 150 in the last 90 days · 75 in the last 30 days · 2 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 200° at 8 knots
- Visibility
- 10 statute miles
- Lowest ceiling
- None
- Temperature
- 86 °F, dew point 66 °F
- Altimeter
- 29.00 inHg
- Observed at
- MKC, 65 nm away
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.