Aero Commander CALLAIR A9-B N7726V

Summary

On 31 July 1987 at about 20:45 local time, a Aero Commander CALLAIR A9-B registered N7726V was involved in an accident near Osgood, Missouri, United States. One person was on board and nobody was injured. The aircraft was substantially damaged. No probable cause statement is available for this record.

Date

31 July 1987 at 20:45

Classification

Accident

Location

Osgood, Missouri, United States

Nearest airport

Trenton (TRX)

Coordinates

40.0794, -93.5999

Aircraft

Aero Commander CALLAIR A9-B

Registration

N7726V

Category

Airplane

Engines

1

Operator

Not recorded

Operating rule

Part 137: Agricultural

Purpose of flight

Aerial Application

Phase of flight

Not recorded

Route

Trenton → Unknown

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

MKC87LA152

Nobody was injured.

The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.

Nothing about the cause is stated here that is not in the source record.

Read the full NTSB narrative

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.

Quoted verbatim from the NTSB record.