6-00116-0002, Rev. 2 dated February, 1984, KGS Electronics RemovellInstallarion Manual FAA TSO-C73 Model: SPC-5( ) DWG 51506 dated APR 03, 1996 and Alan Mann Group LTD. wiring diagrams 407-1570-303. Ground test haye been conducted to ensure that the compass system is not a source of objectionable electromagnetic in