The full text of the bill is here:

S. 3048: A bill to improve air safety by authorizing the limited use by air carriers of information... (GovTrack.us) (Limited use my ***. Limited to using it against pilots.)

You can find your Senator here:

U.S. Senate: Senators Home

Many have web forms where you can express your opposition to S.3048, instead of using regular e-mail.

Might also be a good idea to also contact the Committee Chair John Rockefeller Senator Jay Rockefeller (D-WV) and ranking Republican Kay Baily Hutchison United States Senator Kay Bailey Hutchison