ing has been done in accordance with AC 43.13-IB chapter I 1 on electrical systems, AC 43.13-2A chapters 2 ind 3 on radio and antenna installations, B.F.Goodrich SKYWATCH Traffic Advisory System SKY497 Installation Manual pn 009-10800-001 Rev. A dated 25 April 1997 and Alan Mann Group LTD. wiring diagrams 407-1570-319 and 321. FAR 91.411 an