Chainsaw Operational Complexity and Tree Size-Up - When Complexity Changes
Visit the WFSTAR Catalog for Module Tools and Additional Resources: https://www.nwcg.gov/publications/tra... Identify common themes from the Wildland Fire Lessons Learned Center “2004-2019 Tree Felling Accident Analysis” to promote discussion between new and experienced sawyers about ongoing procedural size-up and complexity analysis, human factors affecting the cutting process, and complexity changing throughout a chainsaw operation.

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2025 Fire Year in Review

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Felling Hazard Trees: Communication, Decision Making, & Responsibilities

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WFSTAR: Belt Weather Kit Tutorial

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WFSTAR Yarnell Hill Fire

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How to Correctly Fill Out the Emergency Equipment Use Invoice, OF-286

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Working With Heavy Equipment

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WFSTAR: Mudd Fire Deployment Story (MTDC)

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WFSTAR: Smoke - Knowing the Risks

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WFSTAR: Salt Fire case study

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WFSTAR: The New Generation Fire Shelter

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How to Properly Refuse Risk

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WFSTAR: Chainsaws and Human Factors

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WFSTAR: Alabaugh Canyon Fire Case Study

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Interagency UAS Program: Wildland Fire Operations Integration

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WFSTAR: Radios of Fire

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Line Is Clear

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WFSTAR: Lookouts

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Assessing the Fire Environment to Anticipate Fire Behavior

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WFSTAR: Watch Out Situations

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