Shell Model AND Analysis PDF

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AENG 526-4 Aviation Safety

Midterm Assignment No. 1 Shell Model and SMS

Name: Agagon, Sean Lee S. Section: 4 Semester: Second School Year: 2019-2020

Assignment No. 1

Shell Model and SMS

Name: Agagon, Sean Lee S.

Submission Date: February 14,2020

Subj-Sec: AENG 526-4

Rating:

Course: BS Aeronautical Engineering

Instructor: Engr. Matt Angelo Ablaza

SHELL MODEL - ICAO SHELL Model, as described in ICAO Doc 9859, Safety

Management Manual, is a conceptual tool used to analyze the interaction of multiple system components. It also refers to a framework proposed in ICAO Circular 216-AN31. One practical diagram to illustrate this conceptual model uses blocks to represent the different components of Human Factors. This building block diagram does not cover the interfaces which are outside Human Factors (hardware-hardware; hardware-environment; software-hardware) and is only intended as a basic aid to understanding Human Factors: Software - the rules, procedures, written documents etc., which are part of the standard operating procedures.  Hardware - the Air Traffic Control suites, their configuration, controls and surfaces, displays and functional systems.  Environment - the situation in which the L-H-S system must function, the social and economic climate as well as the natural environment.  Liveware - the human beings - the controller with other controllers, flight crews, engineers and maintenance personnel, management and administration people - within in the system.

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Liveware

The critical focus of the model is the human participant, or liveware, the most critical as well as the most flexible component in the system. https://www.skybrary.aero/index.php/Safety_Management_System

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Assignment No. 1

Shell Model and SMS

Liveware-Liveware The interface between people and other people. In this interface, we are concerned with leadership, cooperation, teamwork and personality interactions.

Liveware-Software The interface between people and software In order to achieve a safe, effective operation between the liveware and software it is important to ensure that the software, particularly if it concerns rules and procedures, is capable of being implemented.

Liveware-hardware The interface between people and hardware. This interface is the one most commonly considered when speaking of human-machine systems: design of seats to fit the sitting characteristics of the human body, of displays to match the sensory and information processing characteristics of the user, of controls with proper movement, coding and location.

Liveware - Environment The interface between people and the environment The liveware - environment interface refers to those interactions which may be out of the direct control of

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Assignment No. 1

Shell Model and SMS

humans, namely the physical environment - temperature, weather, etc., but within which aircraft operate. Source: https://www.skybrary.aero/index.php/ICAO_SHELL_Model

SAFETY MANAGEMENT SYSTEM A safety management system (SMS) is a systematic approach to managing safety, including the necessary organizational structures, accountabilities, policies and procedures. (ICAO) Objective -

The objective of a Safety Management System is to provide a structured management approach to control safety risks in operations. Effective safety management must take into account the organisation’s specific structures and processes related to safety of operations.

Description -

Use of SMS can be generally interpreted as applying a quality management approach to control safety risks. Similar to other management functions, safety management requires planning, organising, communicating and providing direction.

Generic SMS Regulatory Framework      

aircraft operators; aircraft maintenance organisations; air navigation services providers; airport operators. training organisations, and aircraft manufacturers.

ICAO SMS Framework    

Safety Policy and Objectives Safety Risk Management Safety Assurance Safety Promotion

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Assignment No. 1

Shell Model and SMS

ESARR 3 SMS Framework    

Safety Policy and Planning Safety Achievement Safety Assurance Safety Promotion

SMS in Aviation Industry The international SMS standards and requirements are structured mainly as objective regulations. They are created in a way to emphasize more on “what to do” rather than “how to do it”. The reason behind this is to create standards which are set in a way that accommodates a wide variety of types and sizes of organizations. These standards are designed to allow the operators and service providers to integrate the safety management practices into their individual operational models. Source: https://www.skybrary.aero/index.php/Safety_Management_System

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