Incident Overview

Date: Tuesday 22 May 2018
Aircraft Type: Cessna 208B Grand Caravan
Owner/operator: Amazonaves T xi A‚reo
Registration Number: PT-FLW
Location: near Manaus-Aeroclube de Flores Airport, AM – ÿ Brazil
Phase of Flight: Approach
Status: Destroyed, written off
Casualties: Fatalities: 0 / Occupants: 1
Component Affected: Engine components, specifically the compressor turbine blades, due to overheating and potential melt caused by extrapolation of engine limits.Engine components, specifically the compressor turbine blades, due to overheating and potential melt caused by extrapolation of engine limits.
Investigating Agency: CENIPACENIPA
Category: Accident
A Cessna 208B Grand Caravan crashed while on approach to runway 11 at Manaus-Aeroclube de Flores Airport, Brazil, suffering a loss of engine power on approach. The pilot survived the accident. Contributing factors included control skills, undetermined, training, piloting judgment, and memory. The investigation revealed issues with emergency training, particularly regarding the use of the EPL, and assessment of aircraft performance under flap retraction conditions.A Cessna 208B Grand Caravan crashed while on approach to runway 11 at Manaus-Aeroclube de Flores Airport, Brazil, suffering a loss of engine power on approach. The pilot survived the accident. Contributing factors included control skills, undetermined, training, piloting judgment, and memory. The investigation revealed issues with emergency training, particularly regarding the use of the EPL, and assessment of aircraft performance under flap retraction conditions.

Description

A Cessna 208B Grand Caravan was consumed by fire after it crashed while on approach to runway 11 at Manaus-Aeroclube de Flores Airport, Brazil. The aircraft had suffered a loss of engine power on approach. The pilot survived the accident. Contributing factors. – Control skills – undetermined. The damage observed in the hot engine section components indicated the occurrence of an extrapolation of the ITT limits, which may have caused the melt observed in the blades of the compressor turbine. Thus, in view of the expected reactions of the engine during the use of the EPL, it is possible that there has been an inappropriate use of this resource and, consequently, an extrapolation of the engine limits, especially in relation to the temperature. – Training – undetermined. The investigation of this accident identified issues related to the operation of the aircraft that could be related to the quality and/or frequency of emergency training with engine failure. – Piloting judgment – undetermined. It is possible that the loss of lift produced by the flap retraction resulted in a sinking that prevented the plane from reaching the SWFN runway with the residual power that the engine still provided. In this case, an inadequate assessment of the effects of such action on the aircraft performance under those conditions would be characterized. – Memory – undetermined. It is possible that the decisions made were the result of the pilot’s difficulty in properly recalling the correct procedures for those circumstances, since these were actions to be memorized (memory items).

Source of Information

http://d.emtempo.com.br/manaus-cidades/105456/piloto-sobrevivente-de-queda-de-aviao-esta-no-hospital-28-de-agosto, http://www.acritica.com/channels/manaus/news/aviao-de-pequeno-porte-cai-em-area-de-mata-proximo-ao-aeroclube-de-manaushttp://d.emtempo.com.br/manaus-cidades/105456/piloto-sobrevivente-de-queda-de-aviao-esta-no-hospital-28-de-agosto, http://www.acritica.com/channels/manaus/news/aviao-de-pequeno-porte-cai-em-area-de-mata-proximo-ao-aeroclube-de-manaus

Primary Cause

Inappropriate use of the engine resources, potentially exacerbated by the conditions of the EPL, leading to an extrapolation of engine limits and a potential sinking scenario.Inappropriate use of the engine resources, potentially exacerbated by the conditions of the EPL, leading to an extrapolation of engine limits and a potential sinking scenario.

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