Words meanings: 'necessary' and 'for the safety'

[Liqichao]

The object of the aeronautical information service is to ensure the flow of information necessary for the safety.

'necessary' here means ensure the required information given
'for the safety' here means aiming to the safety?

thank u for your answers :)

[Jamie (K)]

information that is necessary to provide safety.

[Liqichao]

information that is necessary to provide safety.

[Jamie (K)]

No. Necessary here means necessary.