Incident Overview
Date: Wednesday 3 May 1967
Aircraft Type: Grumman G-73 Mallard
Owner/operator: Gold Bond Stamp Co.
Registration Number: N298GB
Location: Huron-Howes Airport, SD (HON) –
ÿ United States of America
Phase of Flight: Initial climb
Status: Destroyed, written off
Casualties: Fatalities: 0 / Occupants: 2
Component Affected: Aircraft wingsAircraft wings
Investigating Agency: NTSBNTSB
Category: Accident
A heavy accumulation of frost on the wings of an aircraft resulted in a sudden and catastrophic stall, leading to immediate and complete loss of control and crash.A heavy accumulation of frost on the wings of an aircraft resulted in a sudden and catastrophic stall, leading to immediate and complete loss of control and crash.
Description
The pilot took off with a heavy accumulation of frost on the wings of the aircraft. Temperature at the time was -8øC. The airplane stalled and crashed immediately after takeoff. PROBABLE CAUSES: pilot in command – inadequate preflight preparation and/or planning miscellaneous acts,conditions – airframe ice FACTOR: weather – icing conditions-includes sleet,freezing rain,etc.
Source of Information
http://www.goodall.com.au/grumman-amphibians/grummanmallard.pdfhttp://www.goodall.com.au/grumman-amphibians/grummanmallard.pdfPrimary Cause
Weather – icing conditions, specifically sleet and freezing rain.Weather – icing conditions, specifically sleet and freezing rain.Share on:
