C'est pour une Classe 1 ?
Sans pouvoir répondre exactement à la question, le PART-MED autorise le port d'appareil auditif:
AMC1 MED.B.080 Otorhinolaryngology (ENT)
[...]
(3) If the hearing requirements can only be met with the use of hearing aids, the hearing aids
should provide optimal hearing function, be well tolerated and suitable for aviation
purposes.
et pour les limites:
AMC15 MED.C.025 Content of aero-medical assessments
OTORHINOLARYNGOLOGY (ENT)
[...]
(iii) at initial examination the cabin crew member should not have a hearing loss of
more than 35 dB at any of the frequencies 500 Hz, 1 000 Hz or 2 000 Hz, or more
than 50 dB at 3 000 Hz, in either ear separately.
pages 43 et 91 respectivement:
https://www.easa.europa.eu/en/downloads/70485/en
