» Cover story A UNIQUE PROGRAM HELPS PEOPLE WITH DISABILITIES EARN THEIR WINGS A t a ground school session at Purdue University, student pilots are hunched over sectional charts and flight logs, preparing flight plans. Their instructor strolls among them, looking over their shoulders. Which of them, he wants to know, is ready to take the knowledge test? “Have you been taking those practice tests?” he asks one. “How’d you do?” » By Jill W. Tallman PHOTOGRAPHY BY JASON BOYER