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Article Information
Category: Safety Management Safety Management
Content source: SKYbrary About SKYbrary


3D-SART is a narrowed-down version from SART, covering only 3 dimensions (instead of 10 or 14):

  • Demands on Attentional Resources - a combination of Instability of Situation, Complexity of Situation, and Variability of Situation;
  • Supply of Attentional Resources - a combination of Arousal of Situation, Concentration of Attention, Division of Attention, and Spare Mental Capacity; and
  • Understanding of Situation - a combination of Information Quantity, Information Quality, and Familiarity.


The original SART was developed by R.M. Taylor in 1989. Applicable to aircrew.

Further Reading

FAA - Review of Situational Awareness Literature Relevant to Pilot Surveillance Functions