5743. placarded 'FtAD ALT. All single conductor wire M22759/18 series. As shielded wire M27500 series 2.) All work performed referencing BHT407.mm. FreeFipta Systems Operationfinstaeation Manual 484948, FreeFhght Equipment Installation Manual #84629, and AC43.13-1B chapters 4. 7 8 11. latest revisions. Operation portion of the Freight Operat