The European Union's data protection directive, the most sweeping recent attempt, gives individuals unprecedented control over information about themselves.
In January, the FAA issued an airworthiness directive ordering airlines to provide flight manuals that outline procedures for pilots to regain control of a 737 that goes into a sudden turn or roll.
Mr Lewis said that although the changes had been brought in because of an EU directive, the union was arguing for a "fairer balance to be struck" between control measures and ensuring that cattle farming businesses can be run.