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The work was a continuation of the Mission/Task Analysis (MTA) effort performed by Sikorsky Aircraft (SAC) Crew Systems Integration (CSI) group during Risk Reduction Phase II (RRII) of the Heavy Lift Replacement (HLR) program (May, 2006).

The original intent of this effort was to build on the previous baseline task analysis work as documented in Risk Reduction Phase II (HLR Risk Reduction II, Mission and Task Analysis Final Report, Crew Systems Integration Group, Sikorsky Aircraft Company, 5 May 2006) to address DID DI-HFAC-81399B attributes across crew task lists. The referenced work focused on interviews with flight crews and tasks related to Troop Commanders.

The Human Factors Engineering (HFE) team, consisting of three contractor human factors engineers from TG O’Brien & Associates Inc. (TGO), were joined by a human factors engineer from NAVAIR Human Research and Engineering Division and a training subject matter expert from NAVAIR Advanced Systems Branch (Training). As in previous MTA efforts, the HFE team focused on understanding the aircraft, comparing and contrasting the CH-53E missions with projected task requirements of the HLR, and related crew problem areas rather than identifying a second-by-second, detailed mission timeline with numerous specific cognitive and ergonomic criteria for each task element, for either the legacy or future HLR aircraft. TGO employed tools and methods including task analysis, operator and maintainer surveys; surveys were administered on site at Cherry Point USMC Air Station, NC and included data collection, data analysis, and reporting.