Guidance for Development of Aeronautical Telecommunication System Safety Case

Abbreviations and Acronyms

AT/RN Aeronautical Telecommunication/Radio Navigation

ATS Air Traffic Services

CAR Civil Aviation Regulation

FMEA Failure Modes and Effects Analysis

ICAO International Civil Aviation Organization

ERP Emergency Response Plan

PANS Procedures for Air Navigation Services

SMS Safety Management System

SRM Safety Risk Management

SARPS Standards and Recommended Practices

SPI Safety Performance Indicator

SPT Safety Performance Target

Definitions

Availability: The probability that a system will be able to perform its intended function when required for use.

AUTHORITY means Directorate General of Civil Aviation Regulation - Public AUTHORITY for Civil Aviation.

Facility: an item of equipment or interconnected items of equipment at a location that forms part of a service.

Failure: Inability of the service to perform its intended service or Function Fault.

Failure Modes and Effects Analysis: is a safety assessment methodology for identifying system’s failure modes with their effects and causes. The aim is to identify potential weaknesses and improve reliability, availability or safety.

Function Fault: Degradation in the performance of a service.

Hazard: A state, or set of conditions of a service, or an object, with the potential to cause an aircraft accident or air safety incident.