Air Force releases F-15 accident report Published June 11, 2003 RAMSTEIN AIR BASE, Germany (AFPN) -- An Air Force Accident Investigation Board determined the cause of fatal F-15 Eagle accident was a breakdown in terrain avoidance responsibilities between the pilots and air traffic controllers on the ground.This breakdown led to a descent below safety altitudes without the pilots having positive visual contact with the ground.The pilots, who were on a low-level training mission, crashed near the remote summit of Ben Macdui in the Cairngorm mountain range of Scotland, on March 26, 2001. The pilots and aircraft were assigned to Royal Air Force Lakenheath, England.Both pilots were killed. (Courtesy of U.S. Air Forces in Europe News Service