1. A method of performing speech recognition on board of an aircraft, comprising: downloading a plurality of speech recognition profiles from a remote source providing user profiles of airline crew members; receiving a speech signal spoken by a user being one of the airline crew members; performing speaker recognition on the speech signal to identify the user from the speech signal; selecting, among the downloaded plurality of speech recognition profiles, a speech recognition user profile which is associated with the identified user; and performing speech recognition on the speech signal using the selected user profile; wherein speaker recognition is performed on a first portion of the speech signal to identify the user and speech recognition is performed using the selected user profile retrospectively beginning from the beginning of the first portion of the speech signal and continuing with a remaining portion of the speech signal; wherein performing speech recognition comprises converting the speech signal into a text message to be displayed to at least one passenger in a cabin of the aircraft; and wherein the text message is sent to a passenger-owned device which has established connectivity to an onboard connectivity system.