DATA ITEM DESCRIPTION
Title: CRITICAL TASK ANALYSIS REPORT
Number: DI-HFAC-81399B Approval Date: 20130206
AMSC Number: 8337 Limitations: N/A
DTIC Applicable: GIDEP Applicable: N/A
Office of Primary Responsibility: MI/AV PA
Applicable Forms: N/A
Use/relationship: A critical task is one requiring human performance which, if not
accomplished in accordance with system requirements, will likely have adverse effects on cost,
system reliability, efficiency, effectiveness, or safety. The Critical Task Analysis Report
(CTAR) describes the results of analyses of critical tasks performed by the end user and provides
a basis for identifying high risk tasks affecting human-system performance, mission
accomplishment, system suitability, and safety. The analyses and results described support
verification that human engineering technical risks have been identified, minimized, or mitigated
and that human-system performance has been adequately addressed from early design
development through test and evaluation of the system, equipment, or facility.
a. This data item description (DID) contains the format and content preparation instructions for
the data product generated by the specific and discrete task requirement as delineated in the
contract.
b. Terms are defined in accordance with MIL-HDBK-1908.
c. This DID supersedes DI-HFAC-81399A.
Requirements:
1. Format. The CTAR format shall be contractor selected. Unless effective presentation would
be degraded, the initially used format arrangement shall be used for all subsequent submissions
2. Tailoring. The CTAR shall be tailored to reflect the SOW, system specification, and the
scope of the user interface development. The proposed tailoring of the CTAR content shall
identify the paragraph, the proposed changes, and a rationale. Tailoring specified by the
procuring agency shall also be included. If no tailoring is proposed beyond that specified by the
procuring agency, this shall be stated.
3. Content. The CTAR shall document whether system performance and maintenance
requirements can be met by the combination of anticipated equipment, software, associated user
DISTRIBUTION STATEMENT A. Approved for public release: distribution is unlimited.
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