Over the Edge by Suzanne Brockmann

Her passion is flying. As one of the best helicopter pilots in the naval reserves, Lieutenant Teri Howe is tough, dedicated, and highly-skilled--until a past mistake surfaces, jeopardizing everything she's worked for. Rock steady Senior Chief Stan Wolchonok has made a career of solving problems. He willingly comes to Teri's aid, knowing that his personal code of honor--and perhaps his heart--will be at risk. But when a jet carrying an American senator's daughter is hijacked, Stan's unflinching determination and Teri's steadfast courage are put to the ultimate test. The rescue mission will be daring and dangerous. But somewhere between peril and resolution, the line between friends and lovers begins to blur, pushing both their lives over the edge...