DAFI48-127 — Occupational Noise And Hearing Conservation Program

DAFI48-127 governs the Department of the Air Force Hearing Conservation Program and occupational noise and hearing conservation.

Search DAFI48-127

  • Publication number: DAFI48-127
  • Title: OCCUPATIONAL NOISE AND HEARING CONSERVATION PROGRAM
  • Date: 2026-03-17

View DAFI48-127 on armypubs.army.mil

DAFI48-127 administers the Department of the Air Force Hearing Conservation Program to prevent occupational illness and injuries. It requires annual audiograms, hearing protection fit testing, documentation of audiograms, and tracking of follow-up and fit-testing requirements.

Applies to: This publication applies to all civilian employees and uniformed personnel of the Regular Air Force, the Air Force Reserve, the Air National Guard, the United States Space Force, and all others with a contractual obligation to abide by the terms of DAF publications.

Topics covered

  • Hand cleanliness before earplug use
  • Earplug cleanliness before use
  • Earplug rolling
  • Ear canal access
  • Earplug insertion
  • Earplug disposal

Questions and answers

What must be clean before earplugs are used?

Ensure that your hands and earplugs are clean before using.

How should hand-formed earplugs be used around hazardous chemical vapors?

Do not use hand formed earplugs where hazardous chemical vapors can be absorbed into the plug. (paragraph 6)

When must these earplugs be disposed of?

Dispose of these earplugs after one or two uses. (paragraph 7)

How are custom molded earplugs made?

Custom molded earplugs are made to fit the exact size and shape of an individual's ear canal. (paragraph 7)

What must be reviewed for a selected custom molded earplug?

The selected custom molded earplug must be reviewed by BE to confirm it meets the attenuation requirements of that individual’s workplace. (paragraph 7)

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