No, your written expires after 24 calendar months! Period. However, FAR 61.39(b) allows you to use an EXPIRED written test if you are employed as a crew member under 121/135 and use it part of a training program (upgrade).

(b) Notwithstanding the provisions of paragraphs (a)(1) and (2) of this section, an applicant for an airline transport pilot certificate or an additional rating to an airline transport certificate may take the practical test for that certificate or rating with an expired knowledge test report, provided that the applicant:

(1) Is employed as a flight crewmember by a certificate holder under part 121, 125, or 135 of this chapter at the time of the practical test and has satisfactorily accomplished that operator's approved—

(i) Pilot in command aircraft qualification training program that is appropriate to the certificate and rating sought; and

(ii) Qualification training requirements appropriate to the certificate and rating sought;


Not sure if the policy at Compass has changed, but from what I remember, last year they required you to have a current ATP written for the interview.