Thanks ! It worked well with the switch -ch "UTF-8"

El 20/12/18 a las 16:03, Dimitry Sibiryakov sd@...
[firebird-support] escribió:

> 20.12.2018 19:10, Aldo Caruso aldo.caruso@... [firebird-support] wrote:
>>    The sql script is coded in UTF-8
> You must inform server about it using SET NAMES before CONNECT or -ch switch.
>