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IAT External Equivalency Frequently Asked Questions

One-Way NWCG S Course to A Course Equivalency Timeline

NWCG one-way S course to A course equivalencies have been granted within IAT for many years. Over time the IAT A courses that were granted as equivalencies have changed. This page lists a timeline of equivalencies from each Interagency Aviation Training Guide that has been published since 1999. The Interagency Aviation Sub-Committee has determined that any NWCG S course taken prior to 1999 will not be granted an A course equivalency. For quick reference you can view or print the IAT External Equivalency Quick Reference Document. Additionally we have created the IAT External Equivalency Guide to assist students with uploading certificates.

Please feel free to contact the IAT Admin with any other questions you may have.


Interagency Aviation Training Guide - July 2022

NWCG S Course Equivalency for IAT Modules

S-270 Basic Air Operations
A-204

S-271 Helicopter Crewmember
A-209, A-219

S-273 Single Engine Airtanker Manager
A-203, A-208, A-218, A-306

S-371 Helibase Manager
A-205

S-372 Helicopter Management
A-205, A-218, A-304, A-306, A-307, A-309

S-375 Air Support Group Supervisor
A-205

S-378 Aerial Supervision
A-203

S-470 Air Operations Branch Director
A-205

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Interagency Aviation Training Guide - August 2021

NWCG S Course Equivalency for IAT Modules

S-270 Basic Air Operations
A-204

S-271 Helicopter Crewmember
A-209, A-219

S-273 Single Engine Airtanker Manager
A-203, A-208, A-218, A-306

S-371 Helibase Manager
A-205

S-372 Helicopter Management
A-205, A-218, A-304, A-306, A-307, A-309

S-375 Air Support Group Supervisor
A-205

S-378 Aerial Supervision
A-203

S-470 Air Operations Branch Director
A-107, A-205

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Interagency Aviation Training Guide - March 2021

NWCG S Course Equivalency for IAT Modules

S-270 Basic Air Operations
A-204

S-271 Helicopter Crewmember
A-209, A-219

S-273 Single Engine Airtanker Manager
A-203, A-208, A-218, A-306

S-371 Helibase Manager
A-205

S-372 Helicopter Management
A-205, A-218, A-304, A-306, A-307, A-309

S-375 Air Support Group Supervisor
A-205

S-378 Aerial Supervision
A-203

S-470 Air Operations Branch Director
A-107, A-205

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Interagency Aviation Training Guide - December 2019

NWCG S Course Equivalency for IAT Modules

S-270 Basic Air Operations
A-104

S-271 Helicopter Crewmember
A-209, A-219

S-273 Single Engine Airtanker Manager
A-203, A-208, A-218, A-306

S-371 Helibase Manager
A-205

S-372 Helicopter Management
A-205, A-218, A-304, A-306, A-307, A-309

S-375 Air Support Group Supervisor
A-205

S-378 Aerial Supervision
A-203

S-470 Air Operations Branch Director
A-107, A-205

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Interagency Aviation Training Guide - October 2017

NWCG S Course Equivalency for IAT Modules

S-270 Basic Air Operations
A-104

S-271 Helicopter Crewmember
A-209, A-219

S-273 Single Engine Airtanker Manager
A-203, A-208, A-218, A-306

S-371 Helibase Manager
A-205

S-372 Helicopter Management
A-205, A-218, A-304, A-306, A-307, A-309

S-375 Air Support Group Supervisor
A-205

S-378 Aerial Supervision
A-203

S-470 Air Operations Branch Director
A-107, A-205

IAT Guide Cover Image

Interagency Aviation Training Guide - February 2014

NWCG S Course Equivalency for IAT Modules

S-270 Basic Air Operations
A-104

S-271 Helicopter Crewmember
A-209, A-219

S-273 Single Engine Airtanker Manager
A-203, A-208, A-218, A-306

S-371 Helibase Manager
A-205

S-372 Helicopter Management
A-205, A-218, A-304, A-306, A-307, A-309

S-375 Air Support Group Supervisor
A-205

S-378 Aerial Supervision
A-203

S-470 Air Operations Branch Director
A-107, A-205

IAT Guide Cover Image

Interagency Aviation Training Guide - October 2012

NWCG S Course Equivalency for IAT Modules

S-270 Basic Air Operations
A-101, A-104, A-106, A-108

S-271 Helicopter Crewmember
A-105, A-106, A-108, A-113, A-209, A-210, A-219

S-273 Single Engine Airtanker Manager
A-108, A-203, A-206, A-208, A-218, A-306

S-371 Helibase Manager
A-205

S-372 Helicopter Management
A-205, A-218, A-304, A-306, A-307, A-309

S-375 Air Support Group Supervisor
A-205

S-378 Aerial Supervision
A-203

S-470 Air Operations Branch Director
A-107, A-205

IAT Guide Cover Image

Interagency Aviation Training Guide - October 2009

NWCG S Course Equivalency for IAT Modules

S-270 Basic Air Operations
A-101, A-104, A-106, A-108

S-271 Helicopter Crewmember
A-101, A-104, A-105, A-106, A-108, A-110, A-113, A-209, A-210, A-219.
A-100 was added as an equivalency to the B-3 (A-101, A-105, A-106, A-108, A-113)

S-273 Single Engine Airtanker Manager
A-101, A-104, A-106, A-107, A-108, A-109, A-111, A-112, A-203, A-204, A-206, A-208, A-218

RT-273 Single Engine Air Tanker Manager Workshop
A-101, A-106, A-107, A-200, A-205, A-206

S-371 Helibase Manager
A-205, A-209

S-372 Helicopter Management
A-200, A-205, A-218, A-304, A-306, A-307, A-309

RT-372 Helicopter Manager Workshop
A-107, A-200, A-205, A-305, A-307, A-309

S-375 Air Support Group Supervisor
A-112, A-203, A-205, A-209, A-302, A-310

S-378 Aerial Supervision
A-109, A-203, A-204, A-302, A-310

S-470 Air Operations Branch Director
A-104, A-106, A-107, A-109, A-112, A-202, A-203, A-204, A-205, A-303

IAT Guide Cover Image

Interagency Aviation Training Guide - January 2006

NWCG S Course Equivalency for IAT Modules

S-270 Basic Air Operations
A-101, A-104, A-106, A-108

S-271 Helicopter Crewmember
A-101, A-104, A-105, A-106, A-108, A-110, A-113, A-209, A-210, A-219.
A-100 was added as an equivalency to the B-3 (A-101, A-105, A-106, A-108, A-113)

S-273 Single Engine Airtanker Manager
A-101, A-104, A-106, A-107, A-108, A-109, A-111, A-112, A-203, A-204, A-206, A-208, A-218

RT-273 Single Engine Air Tanker Manager Workshop
A-101, A-106, A-107, A-200, A-205, A-206

S-371 Helibase Manager
A-205, A-209

S-372 Helicopter Management
A-200, A-205, A-212, A-218, A-304, A-306, A-307, A-309

RT-372 Helicopter Manager Workshop
A-107, A-200, A-205, A-305, A-307, A-309

S-375 Air Support Group Supervisor
A-112, A-203, A-205, A-209, A-302, A-310

S-378 Aerial Supervision
A-109, A-203, A-204, A-302, A-310

S-470 Air Operations Branch Director
A-104, A-106, A-107, A-109, A-112, A-201, A-202, A-203, A-204, A-205, A-303

Note:The S Course to A Course Equivalency matrix was added back into the January 2006 IAT Guide in the spring of 2007.

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Interagency Aviation Training - Aviation Use and Management Qualification Guide - November 2004

No S Course Equivalencies were listed in this guide.

A continuation of the "NWCG S Course Equivalency for IAT Modules" listed in the May 2003 IAT Guide are shown below.

S-217 Interagency Helicopter Training Guide
(Name changed to "S-271 Helicopter Crewmember" 05/06/2004)
A-101, A-103, A-105, A-106, A-107, A-108, A-109, A-110, A-113, A-204, A-205, A-209, A-210, A-302, A-303, A-310.
A-100 was added as an equivalency to the B-3 (A-101, A-105, A-106, A-108, A-113)

S-270 Basic Air Operations
A-101, A-103, A-104, A-105, A-106

S-371 Helibase Manager
A-101, A-103, A-106, A-112, A-209, A-210

J-375 Air Support Group Supervisor
(Name changed to "S-375 Air Support Group Supervisor" in 07/2006)
A-101, A-102, A-103, A-106, A-107, A-203

S-378 Aerial Supervision
A-101, A-102, A-103, A-104, A-109, A-112, A-203, A-204, A-205

S-470 Air Operations Branch Director
A-101, A-102, A-112, A-202, A-203, A-205, A-305

Note: No information could be found for A-370 Advanced Air Operations in the NWCG Curriculum History Document

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Interagency Aviation Training - Aviation Use and Management Qualification Guide - September 2004

No S Course Equivalencies were listed in this guide.

A continuation of the "NWCG S Course Equivalency for IAT Modules" listed in the May 2003 IAT Guide are shown below.

S-217 Interagency Helicopter Training Guide
(Name changed to "S-271 Helicopter Crewmember" 05/06/2004)
A-101, A-103, A-105, A-106, A-107, A-108, A-109, A-110, A-113, A-204, A-205, A-209, A-210, A-302, A-303, A-310.
A-100 was added as an equivalency to the B-3 (A-101, A-105, A-106, A-108, A-113)

S-270 Basic Air Operations
A-101, A-103, A-104, A-105, A-106

S-371 Helibase Manager
A-101, A-103, A-106, A-112, A-209, A-210

J-375 Air Support Group Supervisor
(Name changed to "S-375 Air Support Group Supervisor" in 07/2006)
A-101, A-102, A-103, A-106, A-107, A-203

S-378 Aerial Supervision
A-101, A-102, A-103, A-104, A-109, A-112, A-203, A-204, A-205

S-470 Air Operations Branch Director
A-101, A-102, A-112, A-202, A-203, A-205, A-305

Note: No information could be found for A-370 Advanced Air Operations in the NWCG Curriculum History Document

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Interagency Aviation Training - Aviation Use and Management Qualification Guide - March 2004

No S Course Equivalencies were listed in this guide.

A continuation of the "NWCG S Course Equivalency for IAT Modules" listed in the May 2003 IAT Guide are shown below.

S-217 Interagency Helicopter Training Guide
(Name changed to "S-271 Helicopter Crewmember" 05/06/2004)
A-101, A-103, A-105, A-106, A-107, A-108, A-109, A-110, A-113, A-204, A-205, A-209, A-210, A-302, A-303, A-310.
A-100 was added as an equivalency to the B-3 (A-101, A-105, A-106, A-108, A-113)

S-270 Basic Air Operations
A-101, A-103, A-104, A-105, A-106

S-371 Helibase Manager
A-101, A-103, A-106, A-112, A-209, A-210

J-375 Air Support Group Supervisor
(Name changed to "S-375 Air Support Group Supervisor" in 07/2006)
A-101, A-102, A-103, A-106, A-107, A-203

S-378 Aerial Supervision
A-101, A-102, A-103, A-104, A-109, A-112, A-203, A-204, A-205

S-470 Air Operations Branch Director
A-101, A-102, A-112, A-202, A-203, A-205, A-305

Note: No information could be found for A-370 Advanced Air Operations in the NWCG Curriculum History Document

IAT Guide Cover Image

Interagency Aviation Training - Aviation Use and Management Qualification Guide - October 2003

No S Course Equivalencies were listed in this guide.

A continuation of the "NWCG S Course Equivalency for IAT Modules" listed in the May 2003 IAT Guide are shown below.

S-217 Interagency Helicopter Training Guide
(Name changed to "S-271 Helicopter Crewmember" 05/06/2004)
A-101, A-103, A-105, A-106, A-107, A-108, A-109, A-110, A-113, A-204, A-205, A-209, A-210, A-302, A-303, A-310.
A-100 was added as an equivalency to the B-3 (A-101, A-105, A-106, A-108, A-113)

S-270 Basic Air Operations
A-101, A-103, A-104, A-105, A-106

S-371 Helibase Manager
A-101, A-103, A-106, A-112, A-209, A-210

J-375 Air Support Group Supervisor
(Name changed to "S-375 Air Support Group Supervisor" in 07/2006)
A-101, A-102, A-103, A-106, A-107, A-203

S-378 Aerial Supervision
A-101, A-102, A-103, A-104, A-109, A-112, A-203, A-204, A-205

S-470 Air Operations Branch Director
A-101, A-102, A-112, A-202, A-203, A-205, A-305

Note: No information could be found for A-370 Advanced Air Operations in the NWCG Curriculum History Document

IAT Guide Cover Image

Interagency Aviation Training - Aviation Use and Management Qualification Guide - May 2003

NWCG S Course Equivalency for IAT Modules

S-217 Interagency Helicopter Training Guide
(Name changed to "S-271 Helicopter Crewmember" 05/06/2004)
A-101, A-103, A-105, A-106, A-107, A-108, A-109, A-110, A-113, A-204, A-205, A-209, A-210, A-302, A-303, A-310.
A-100 was added as an equivalency to the B-3 (A-101, A-105, A-106, A-108, A-113)

S-270 Basic Air Operations
A-101, A-103, A-104, A-105, A-106

S-371 Helibase Manager
A-101, A-103, A-106, A-112, A-209, A-210

J-375 Air Support Group Supervisor
(Name changed to "S-375 Air Support Group Supervisor" in 07/2006)
A-101, A-102, A-103, A-106, A-107, A-203

S-378 Aerial Supervision
A-101, A-102, A-103, A-104, A-109, A-112, A-203, A-204, A-205

S-470 Air Operations Branch Director
A-101, A-102, A-112, A-202, A-203, A-205, A-305

Note: No information could be found for A-370 Advanced Air Operations in the NWCG Curriculum History Document

IAT Guide Cover Image

Interagency Aviation Training - Aviation Use and Management Qualification Guide - December 2002

NWCG S Course Equivalency for IAT Modules

S-217 Interagency Helicopter Training Guide
(Name changed to "S-271 Helicopter Crewmember" 05/06/2004)
A-101, A-103, A-105, A-106, A-107, A-108, A-109, A-110, A-113, A-204, A-205, A-209, A-210, A-302, A-303, A-310.
A-100 was added as an equivalency to the B-3 (A-101, A-105, A-106, A-108, A-113)

S-270 Basic Air Operations
A-101, A-103, A-104, A-105, A-106

S-371 Helibase Manager
A-101, A-103, A-106, A-112, A-209, A-210

J-375 Air Support Group Supervisor
(Name changed to "S-375 Air Support Group Supervisor" in 07/2006)
A-101, A-102, A-103, A-106, A-107, A-203

S-378 Aerial Supervision
A-101, A-102, A-103, A-104, A-109, A-112, A-203, A-204, A-205

S-470 Air Operations Branch Director
A-101, A-102, A-112, A-202, A-203, A-205, A-305

Note: No information could be found for A-370 Advanced Air Operations in the NWCG Curriculum History Document

IAT Guide Cover Image

Interagency Aviation Training - Aviation Use and Management Qualification Guide - June 2002

NWCG S Course Equivalency for IAT Modules

S-217 Interagency Helicopter Training Guide
(Name changed to "S-271 Helicopter Crewmember" 05/06/2004)
A-101, A-103, A-105, A-106, A-107, A-108, A-109, A-110, A-113, A-204, A-205, A-209, A-210, A-302, A-303, A-310.
A-100 was added as an equivalency to the B-3 (A-101, A-104, A-105, A-106, A-108, A-113)

S-270 Basic Air Operations
A-101, A-103, A-104, A-105, A-106

S-371 Helibase Manager
A-101, A-103, A-106, A-112, A-209, A-210

J-375 Air Support Group Supervisor
(Name changed to "S-375 Air Support Group Supervisor" in 07/2006)
A-101, A-102, A-103, A-106, A-107, A-203

S-378 Aerial Supervision
A-101, A-102, A-103, A-104, A-109, A-112, A-203, A-204, A-205

S-470 Air Operations Branch Director
A-101, A-102, A-112, A-202, A-203, A-205, A-305

Note: No information could be found for A-370 Advanced Air Operations in the NWCG Curriculum History Document

IAT Guide Cover Image

Interagency Aviation Training - Aviation Use and Management Qualification Guide - December 2001

NWCG S Course Equivalency for IAT Modules

S-217 Interagency Helicopter Training Guide
(Name changed to "S-271 Helicopter Crewmember" 05/06/2004)
A-101, A-103, A-105, A-106, A-107, A-108, A-109, A-110, A-113, A-204, A-205, A-209, A-210, A-302, A-303, A-310.
A-100 was added as an equivalency to the B-3 (A-101, A-104, A-105, A-106, A-108, A-113)

S-270 Basic Air Operations
A-101, A-103, A-104, A-105, A-106

S-371 Helibase Manager
A-101, A-103, A-106, A-112, A-209, A-210

J-375 Air Support Group Supervisor
(Name changed to "S-375 Air Support Group Supervisor" in 07/2006)
A-101, A-102, A-103, A-106, A-107, A-203

S-378 Aerial Supervision
A-101, A-102, A-103, A-104, A-109, A-112, A-203, A-204, A-205

S-470 Air Operations Branch Director
A-101, A-102, A-112, A-202, A-203, A-205, A-305

Note: No information could be found for A-370 Advanced Air Operations in the NWCG Curriculum History Document

IAT Guide Cover Image

ragency Aviation Training - Aviation Use and Management Qualification Guide - January 2001

NWCG S Course Equivalency for IAT Modules

S-217 Interagency Helicopter Training Guide
(Name changed to "S-271 Helicopter Crewmember" 05/06/2004)
A-101, A-103, A-105, A-106, A-107, A-108, A-109, A-110, A-113, A-204, A-205, A-209, A-210, A-302, A-303, A-310.
A-100 was added as an equivalency to the B-3 (A-101, A-104, A-105, A-106, A-108, A-113)

S-270 Basic Air Operations
A-101, A-103, A-104, A-105, A-106

S-371 Helibase Manager
A-101, A-103, A-106, A-112, A-209, A-210

J-375 Air Support Group Supervisor
(Name changed to "S-375 Air Support Group Supervisor" in 07/2006)
A-101, A-102, A-103, A-106, A-107, A-203

S-378 Aerial Supervision
A-101, A-102, A-103, A-104, A-109, A-112, A-203, A-204, A-205

S-470 Air Operations Branch Director
A-101, A-102, A-112, A-202, A-203, A-205, A-305

Note: No information could be found for A-370 Advanced Air Operations in the NWCG Curriculum History Document

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Aviation Training 2000 - Aviation Use and Management Qualification Guide - January 1999

NWCG S Course Equivalency for Aviation Training 2000 Modules

S-217 Interagency Helicopter Training Guide
(Name changed to "S-271 Helicopter Crewmember" 05/06/2004)
A-101, A-103, A-105, A-106, A-107, A-108, A-109, A-110, A-113, A-204, A-205, A-209, A-210, A-302, A-303, A-310.
A-100 was added as an equivalency to the B-3 (A-101, A-104, A-105, A-106, A-108, A-113)

S-270 Basic Air Operations
A-101, A-103, A-104, A-105, A-106

S-371 Helibase Manager
A-101, A-103, A-106, A-112, A-209, A-210

J-375 Air Support Group Supervisor
(Name changed to "S-375 Air Support Group Supervisor" in 07/2006)
A-101, A-102, A-103, A-106, A-107, A-203

S-378 Aerial Supervision
A-101, A-102, A-103, A-104, A-109, A-112, A-203, A-204, A-205

S-470 Air Operations Branch Director
A-101, A-102, A-112, A-202, A-203, A-205, A-305

Note: No information could be found for A-370 Advanced Air Operations in the NWCG Curriculum History Document

IAT Guide Cover Image