Incident Overview
Date: Saturday 17 April 1971
Aircraft Type: Learjet 24D
Owner/operator: F & S Contracting
Registration Number: N123CB
Location: near Butte, MT –
ÿ United States of America
Phase of Flight: Approach
Status: Destroyed, written off
Casualties: Fatalities: 4 / Occupants: 4
Component Affected: IFR operationIFR operation
Investigating Agency: NTSBNTSB
Category: Accident
A Cessna 172 aircraft experienced a sudden loss of altitude during approach, resulting in a crash into a hillside at approximately 6060 feet. The minimum altitude for that sector was 8000 feet.A Cessna 172 aircraft experienced a sudden loss of altitude during approach, resulting in a crash into a hillside at approximately 6060 feet. The minimum altitude for that sector was 8000 feet.
Description
Crashed into the slope of a hill at 6060 feet while on approach. Minimum altitude for that sector was 8000 feet. PROBABLE CAUSE: pilotÿinÿcommandÿ-ÿimproperÿIFRÿoperation FACTOR(S) weatherÿ-ÿother weatherÿbriefingÿ-ÿnoÿrecordÿofÿbriefingÿreceived weatherÿforecastÿ-ÿunknown/notÿreported missingÿaircraftÿ-ÿlaterÿrecovered
Primary Cause
Pilot in command improper IFR operationPilot in command improper IFR operationShare on:
