Hard landing - Lynne Heitman

On a cold afternoon on the North Shore of Massachusetts, the body of Ellen Shepard is found hanging by the neck in the attic of her home. She leaves no family. She leaves no note. And she leaves vacant her position as the general manager of the notoriously brutal Majestic Airlines operation at Boston's Logan Airport.
From the moment Alex Shanahan takes control of the Boston operation, she is pulled into the menacing intrigue of her predecessor's death. She is welcomed by an obscene depiction of Ellen's dead body twisting at the end of a rope. It's a greeting from some of her new employees, a warning that secrets can kill, and a threat that once she knows them it will already too late. But Alex wants to know the truth.
She follows the trail of corruption and betrayal from the ramp at Logan to the airline's executive suites. What she uncovers could bring down the airline and destroy the lives and careers of everyone involved. It could also cost Alex her life ...