Medical Examination Standards for Airmen Article 24
The standards for hearing acuity examinations are as follows:1. The unaided hearing acuity of each (right and left) ear, shall demonstrate the ability to hear the 35 dB or less of a signal at the frequency of 500, 1000 or 2000 hertz (cycles per second) and to hear the 50 dB or less of a signal at the frequency of 3000 hertz (cycles per second).2. While the better ear (either right and left) of a airman shall demonstrate the ability to hear the 30 dB or less of a signal at the frequency of 1000 or 2000 hertz (cycles per second), the poorer ear shall demonstrate the ability to hear the 50 dB or less of the signal at the same frequency.
中文原文 航空人員體格檢查標準第24條
聽力檢查標準如下：
一、左右耳不用助聽器收聽五百或一千或二千赫頻率之信號時，聽力應在三十五分貝以下，在收聽三千赫頻率之信號時，聽力應在五十分貝以下。
二、在收聽一千或二千赫頻率之信號時，好耳聽力應在三十分貝以下，差耳聽力應在五十分貝以下。
一、左右耳不用助聽器收聽五百或一千或二千赫頻率之信號時，聽力應在三十五分貝以下，在收聽三千赫頻率之信號時，聽力應在五十分貝以下。
二、在收聽一千或二千赫頻率之信號時，好耳聽力應在三十分貝以下，差耳聽力應在五十分貝以下。