- Date
- July 31, 1987, 15:45 local (20:45 UTC)
- Place
- Osgood, MO
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N7726VAero Commander Callair A9-B
- Weather
- Visual (VMC) · Day
- Status
- Completed · report May 16, 1989
- Report
- Approved by Office Director
- FAA report
- 19870731081209A
- Case key
- 34424
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
During an aerial application operation, pilot experienced partial power loss and vibration, followed by a loud explosive sound and total loss of power. An emergency ldg was made followed by a nose over. Postaccident inspection revealed the entire propeller assembly, one cylinder, and part of the crankshaft were missing. This complete assembly was found about three months later, approximately one quarter mile from the accident scene. Met lab report on portion of crankshaft that remained with acft indicated no unusual wear or damage that might cause its failure. The PIC stated that after the explosion, which blew the front hopper loading lid off, the spray material covered the windshield making visibility difficult.
Aircraft
- Registration
- N7726V
- Reported as
- Aero Commander Callair A9-B (CALLAIR A9)
- Category
- Airplane
- Serial number
- 1477
- Airframe hours
- 3,000
- Engine
- Lycoming IO-540-G1C5, 290 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Aerial application · Part 137
- Registered owner
- Ray Klinginsmith
- Airworthiness certificate
- Special, Restricted (Special)
- Departed
- TRX · Trenton, MO
- Airport
- TRX · Trenton, runway 18, 4,300 × 50 ft, dirt
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
- 52
- Certificate
- Commercial
- Airplane ratings
- Single-engine land
- Medical
- Class 2, Valid Medical--w/ waivers/lim
- Seat
- Left
- Flight hours
- 4,500 total · 4,500 as pilot in command · 82 in the last 90 days · 55 in the last 30 days · 5 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Visibility
- 20 statute miles
- Lowest ceiling
- None
- Temperature
- 90 °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.
Other investigations on N7726V · 1
Matched to the same aircraft by N-number and date.