yet, they are trained to perform many flight Attendant duties and they are  

Each employee</a>, including any assistant, helper, or individual in a training status, who  performs</a> a  safety-sensitive function listed in this section directly or by contract (including by subcontract at any tier) for an employer as defined in this subpart must be subject to drug testing under a drug testing program implemented in accordance with this subpart. This includes full-time, part-time, temporary, and intermittent employees regardless of the degree of supervision. The  safety-sensitive functions are:

(a) Flight crewmember duties.

(b) Flight attendant duties.

(c) Flight instruction duties.

(d) Aircraft</a> dispatcher duties.

(e) Aircraft</a> maintenance and preventive maintenance duties.

(f) Ground security coordinator duties.

(g) Aviation screening duties.

(h) Air traffic control duties.

(i) Operations control specialist duties.