Échouer belong to the 1st
group. Échouer is a common french verb.
Échouer is conjugated the same way that verbs that end in : -er
Échouer is conjugated with the two auxiliaries être
Échouer verb is
direct transitive, intransitive.
French verb échouer can be conjugated in the reflexive form: S'échouer
verb is a direct transitive verb, so passive voice can be used.
Attention: passive voice can only be used when échouer verb is conjugated with auxiliary avoir.