TULSA, Okla. (AP) — A “ghost” ad campaign urging American Airlines mechanics and stores groups to reject a labor agreement is misleading and doesn’t reflect the sentiment of many workers at the bankrupt airline’s Tulsa hub, local union representatives said Friday.

A half-page advertisement featured in Friday’s local newspaper urged workers: “Vote No Save Our Profession.” It’s not clear who is behind the ad, which listed several reasons why the bankrupt air carrier’s final, best labor offer is no good, including lack of job security, frozen pensions and slashed vacation time.