FAA Federal Aviation Regulations (FARS, 14 CFR)

Each aircraft operator shall use the procedures included, and the facilities and equipment described, in its security program to perform the following control functions with respect to each aircraft operation:

(a) Prevent unauthorized access to areas controlled by the aircraft operator under an exclusive area agreement in accordance with §107.111 of this chapter.

(b) Prevent unauthorized access to each aircraft.

(c) Conduct a security inspection of each aircraft before placing it into passenger operations if access has not been controlled in accordance with the aircraft operator security program and as otherwise required in the security program.