Mixmaster, MXMS

Position Category: 
Incident Positions
Position Code: 
Functional Area: 
Coordination & Support
AD Class: 


  • Reports to the Airtanker Base Manager.
  • Supervises mixing crew during mixing operations.
  • Ensures chemical fire retardants and suppressants are provided to airtanker(s) at the rate specified and for the expected duration.
  • Checks all accessory equipment such as valves, hoses, pumps, and tanks.
  • Takes immediate steps to obtain personnel and equipment to perform operations safely and efficiently.
  • Plans layout of the plant to conduct operations; is responsible for the cleanliness of the plant area.
  • Maintains quality control program for the retardant.
  • Logs and reports gallons loaded to aircraft timekeeper; maintains retardant and equipment records.
  • Ensures safety of personnel working around the plan; reports all hazards to airtanker base manager.
  • Maintains records of all equipment, replacement parts, catalogs, technical manuals, and Material Safety Data Sheets (MSDS).
  • Ensures OSHA regulations for plant safety are in place and monitored.

Position Knowledge and/or Requirements

  • S-130 Basic Firefighter
  • I-200 Basic ICS
  • S-270 Basic Air Operations
  • Basic Fixed wing Safety (OAS)
  • Airtanker types & capabilities; basic first aid; basic supervision
  • Mixmaster, Fire Ext training, hazardous material training


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