Air Force AFSC · Aviation

2A2X1 Aircraft Electrical and Avionics Technician

Historical specialty

The 30 April 2026 AFECD change summary deletes AFSC 2A2X1 from the enlisted classification structure; its skill levels 2A211, 2A231, and 2A251 convert directly into 2A914, 2A934, and 2A954 (2A9X4 Heavy Aircraft Integrated Avionics). The in-force 30 April 2026 directory retitles the section Heavy Aircraft Integrated Avionics and retains 2A2X1 only in award-and-retention references, so this catalog incarnation is not a current specialty.

Reviewed 2026-10-07. Assessment as of 2026-10-07.

Read the documented history and successor conditions
Lifecycle evidence

Overview

MHU-139 Electrical, Environmental and Avionics Technicians maintain aircraft electrical, environmental, and avionics systems. They use methods including schematic and wiring diagrams to keep these systems operating for pilots during missions.

Minimum clearance: Secret

Minimum ASVAB: E 65

ASVAB policy: Not policy-reviewed · coverage unknown · as of 2026-10-19

Program scope has not been reviewed.

Policy applicability and coverage of the program's score routes have not been reviewed. Shown-route arithmetic is not an eligibility decision.

Source: dafecd-atch4-2025-10-31 (source date 2025-10). Policy applicability has not been established.

Skill levels: 2A211 helper · 2A231 apprentice · 2A251 journeyman · 2A271 craftsman

Notes & Sources

  • Aircraft Electrical and Avionics Technician (2A2X1, MHU-139 Electrical, Environmental and Avionics Technician) is a retired identifier: the conversion instructions embedded in the DAFECD 30 Apr 26 delete AFSCs 2A211/2A231/2A251 effective 30 Apr 26 and convert holders to 2A914/2A934/2A954 (Heavy Aircraft Integrated Avionics).
  • The in-force edition retains the section only as the retitled Heavy Aircraft Integrated Avionics specialty with legacy 2A231/2A251 award-and-retention references, so the old code alone does not establish current duties.
Evidence for this guidance (1 document)
  1. DAFECD, 31 Oct 25 / 30 Apr 26: MHU-139 Electrical, Environmental and Avionics Technician and its conversion to Heavy Aircraft Integrated Avionics

    [1] 31 Oct 25 edition: "MHU-139 ELECTRICAL, ENVIRONMENTAL AND AVIONICS TECHNICIAN (Changed 30 Apr 24)", normalized lines 5956-5970; 30 Apr 26 edition: retitled HEAVY AIRCRAFT INTEGRATED AVIONICS "(Changed 30 Apr 26)", normalized lines 5865-5879; CS&CIG rows 2A211/2A231/2A251 (embedded Attachment 1 page 4)

    Supports: Specialty definition

Source review recorded September 24, 2026.

Defense contractor jobs for 2A2X1

Predecessor codes

Historical codes with documented links to 2A2X1. Each history page explains the change.

Descriptions may be summarized for clarity. Verify all information with your branch career counselor or official military documentation before making career decisions.

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