Appendix 3 of Annex A - Table of Hearing Standards

A-MD-154-000/FP-000

H1 - the member has the necessary auditory acuity to hear sounds of less than or equal to 30 dB in each ear in the 500 to 8000 Hz frequency range

H2 - the member has the necessary auditory acuity to hear sounds of less than or equal to 30 dB in each ear in the 500 to 3000 Hz frequency range.

H3 - the member has the necessary auditory acuity to hear sounds of less than or equal to 50 dB in either ear in the 500 to 3000 Hz frequency range.

H4 - the member has the necessary auditory acuity to only hear sounds greater than 50 dB in each ear in the 500 to 3000 Hz frequency range.

NOTE 1: Following a surgical procedure to improve hearing, an audiometric examination will be done to determine any residual hearing loss. The audiometric examination should be done at a time recommended post-operatively by the surgical specialist and the appropriate H grade assigned.