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S-231, Engine Boss (Single Resource) (ILT)

Course Title
Engine Boss (Single Resource) (ILT)
Version Date

2026

Previous Certification Dates

2004-05

Course Number
S-231
Other Training Which Supports
Engine Boss, Single Resource (ENGB)
Course Description

This instructor-led course is intended to provide students with the knowledge and skills necessary to perfom the duties of the Engine Boss, Single Resource (ENGB), position, as described in the NWCG Incident Position Standards for Engine Boss, PMS 350-103. This performance-based training is required for individuals working towards Engine Boss, Single Resource (ENGB) qualifications. This course includes a recommended field day where students perform activities using an engine and other equipment in the field to strengthen operational skills. 

 

Course Objective

Demonstrate how to lead engine operations using different tactics for given scenarios.

Prerequisite Qualifications Notes

FFT1 Firefighter Type 1

Lead Instructor Minimum Qualifications
Lead instructor must be a qualified Strike Team Leader Engine (STEN) or Task Force Leader (TFLD).
Format
Instructor Led
Business Steward
OMC Operations Management Committee
Prerequisite Training Notes

S-230, Crew Boss (Single Resource) (Blended)

Unit Instructor Minimum Qualifications
Unit instructors must be qualified as Engine Boss, Single Resource (ENGB).
Class Size Recommendations

Recommended class size is 24 students. Instructors should maintain a 6:1 ratio of students to instructors/coaches to facilitate exercises and discussion and to enable strong mentorship to the students.

Class Size Recommendations

Recommended class size is 24 students. Instructors should maintain a 6:1 ratio of students to instructors/coaches to facilitate exercises and discussion and to enable strong mentorship to the students.

NWCG Latest Announcements

Intermediate Faller (FAL2) Position Task Book Update

Date:  July 24, 2026
Questions? 
Please contact: Tree Felling Subcommittee

NWCG Operations Management Committee (OMC) has issued an update to the NWCG Position Task Book for Intermediate Faller (FAL2), PMS 311-91. To ensure clarity for both trainees and evaluators, the updated FAL2 Position Task Book (PTB) explicitly states who is authorized to sign off on your tasks:

“Evaluators must be qualified as a FAL2, or an Advanced Faller (FAL1).”

If you are currently working out of a previously published version of the FAL2 PTB, you do not need to restart. However, OMC highly encourages you to take the following step to prevent any confusion in the field:

  • Print and replace the updated evaluator information page (page 2) in your current physical PTB.

References:

Intermediate Faller (FAL2) Position Page

RMC Memo 26-01: Transition Plan for Implementing Updates to Intermediate Faller (FAL2) Position Qualifications

NWCG Position Task Book for Intermediate Faller (FAL2), PMS 311-91

Equipment Advisory 26-001: Potential Front Driveline Joint Failure on 2018 and Earlier Ram Pickups

Date:  July 10, 2026
Questions? 
Please contact: Equipment and Technology Subcommittee

The Logistics/Equipment Management Committee (LMC) has released Equipment Advisory 26-001: Potential Front Driveline Joint Failure on 2018 and Earlier Ram Pickups. This advisory highlights multiple U.S. Forest Service regions reporting front driveline joint failure incidents.

This advisory recommends firefighters and fire managers to: 

  • Follow all Ram-issued inspection, maintenance, and service guidance for front driveline joints. 
  • Consider installing a driveline loop. 
  • Coordinate with fleet managers and service providers to determine the most appropriate driveline loop kit for each pickup.

For further details, please refer to the complete advisory.

References:

Equipment Advisory 26-001: Potential Front Driveline Joint Failure on 2018 and Earlier Ram Pickups

Technical Service Bulletin: 03-002-21

NEW! NWCG Standard Operating Procedures, PMS 900

Date:  July 9, 2026
Questions? 
Please contact: NWCG Staff

NWCG is excited to announce the publication of the NWCG Standard Operating Procedures, PMS 900.

The new publication establishes general, consistent, and uniform standards for conducting business with the National Wildfire Coordinating Group.

References:

NWCG Standard Operating Procedures, PMS 900

Quarter Four Materials for the 2025-2026 Wildland Fire Leadership Campaign Now Available

Date:  July 8, 2026
Questions? 
Please contact: Leadership Development Subcommittee

NWCG is excited to announce that Fourth Quarter materials for the 2025/2026 Wildland Fire Leadership Campaign are now available. This annual initiative offers all students of leadership and wildland fire management an opportunity to engage with essential leadership skills and knowledge needed to lead effectively in dynamic environments.

Quarter Four materials focus on Leadership Level 4: Leader of Leaders (Provide Direction). Leadership Level 4 is where you are setting the conditions for others to do things well, even when you are not present. This quarter focuses on equipping experienced leaders with skills to provide direction, build trust across teams, and foster strong decision making. 

References:

2025/2026 NWCG Leadership Campaign - Leadership Levels

Wildland Fire Leadership Development Program

Leadership Development Subcommittee