HUMAN FACTORS DEFINITIONS AND USAGE NOTES
July 2011 (1.6)
The Human Factors Taxonomy is a high-level categorization of a set of concepts that describe an individual’s performance in relationship to their environment.
Page Revised July 2011 Page i
RECORD OF REVISIONS Date Version Section Revision
9/2011
1.6
Document
Document Creation
Page Revised July 2011 Page ii
TABLE OF TERMS
ENVIRONMENTAL/SYSTEM DESIGN (ENVR) _______________________________________________ 3
EXPERIENCE/KNOWLEDGE (KNOW) _____________________________________________________ 4
ORGANIZATIONAL OVERSIGHT (ORGN)___________________________________________________ 5
PERCEPTUAL (PERC) __________________________________________________________________ 7
PHYSICAL/SENSORY (PHYS) ____________________________________________________________ 8
PROCEDURAL/TASK PERFORMANCE (PROC) _______________________________________________ 9
PSYCHOLOGICAL (PSYC) ______________________________________________________________ 11
Page Revised July 2011 Page 1
INTRODUCTION
The International Civil Aviation Organization (ICAO) and the Commercial Aviation Safety Team (CAST), which includes Government officials and aviation industry leaders, have jointly chartered the CAST/ICAO Common Taxonomy Team (CICTT). The team was charged with developing common taxonomies and definitions for aviation accident and incident reporting systems. The common taxonomies and definitions are intended to improve the aviation community’s capacity to identify and focus on common safety issues. CICCT includes experts from several air carriers, aircraft manufacturers, engine manufacturers, pilot associations, regulatory authorities, transportation safety boards, ICAO, and members from Canada, European Union, France, Italy, Japan, Netherlands, United Kingdom, and United States. CICTT is co-chaired by a representative from ICAO and CAST.
To accomplish its objectives, CICTT has development and released the following common taxonomies and definitions: Aircraft Make/Model/Series tables, Engine Make/Model/Series tables, Phase of Flight, Occurrence Categories, and Engine Occurrence Sub-Categories. Currently under development are common taxonomies and definitions for Human Factors Concepts (the subject of this release), Aerodrome, Engine Events, Helicopter Events, Hazards, Flight Data Events, System Component Failure – Non-Powerplant Sub-Taxonomy, and Unmanned Aircraft System/Unmanned Aerial Vehicle (UAS/UAV) Events.
It is important to note that CICTT does not expect governments, international organizations, and corporations to immediately change internally maintained data systems, taxonomies, or definitions. The intent of the establishment of a common taxonomy is to first provide the aviation industry with a set of defined and agreed upon taxonomies that will aid in the investigation and mitigation of high risk safety events. The second intent is to provide these ‘target’ taxonomies and definitions as industry standards so that as organizations make plans for, and implement new safety systems, the common taxonomies and definitions can be adopted.
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