ASN Wikibase Occurrence # 372514
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| Date: | Friday 31 July 1987 |
| Time: | 15:45 LT |
| Type: | Aero Commander CALLAIR A9-B |
| Owner/operator: | Ray Klinginsmith |
| Registration: | N7726V |
| MSN: | 1477 |
| Total airframe hrs: | 3000 hours |
| Engine model: | LYCOMING IO-540-G1C5 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Osgood, MO -
 United States of America
|
| Phase: | En route |
| Nature: | Agricultural |
| Departure airport: | Trenton, MO (KTRX) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
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.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB MKC87LA152
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 26-Mar-2024 17:52 | ASN Update Bot | Added |
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