TY - BOOK ED - United States. ED - United States. ED - Aeronautical Center (United States) TI - United States civil aircraft register: flight standards service control systems division SN - 0502-0700 AV - TL501 .A563 U1 - 387.733402573 PY - 1964/// CY - Washington, D. C. PB - Federal Aviation Agency, Flight Standards Service, Control Systems Division KW - Airplanes KW - United States KW - Register N1 - AC No. : 20-6A; Library has 20-6a cops ER -