Together, they allowed for unprecedented accuracy in day bombing from high altitudes; in testing the Norden demonstrated a circular error probable (CEP) of 75 feet, an astonishing performance for the era.
Together, they allowed for unprecedented accuracy in day bombing from high altitudes. The bombsight needed to have accuracy on the order of tens of feet for this role, and in testing the Norden demonstrated a circular error probable (CEP) of 75 feet, an astonishing performance for the era.