# 6-4 Investment Analysis

**HF Investment Analysis (IA) Inputs for AMS Lifecycle Checklist.** The IA tab of the [<span style="color: rgb(53, 152, 219);">HF AMS Lifecycle Checklist</span>](https://faa.switchboxinc.com/published/ams_lifecycle_checklist.xlsx) indicates a number of HF questions that should be addressed as part of the IA stage. Examples include:

- Have the Human Factors implications of each alternative been determined for their impact on cost, benefits, schedule, and technical risks?
- Do cost, schedule, and performance baselines reflect the detail necessary to cause the identification or resolution of human-system performance issues/risks?
- Does the [<span style="color: rgb(53, 152, 219);">Implementation Strategy and Planning Document (ISPD)</span>](https://fast.faa.gov/docs/ispdtemplate.doc) reflect the recommended approach to manage the HF program for the project?
- Has the information from the HF assessment been incorporated in the Business Case and IA decision?