ARFAS (Aluminum Rail Fall Arrest System). Commercial aircraft tail dock maintenance hangar. Multi-level tail dock with 2 man ARFAS rails installed at each level for fall protection coverage while extending the “driving board” working platforms to close the gap to the aircraft surface. Skyloc II Aviation Series SRL’s installed on ARFAS trolley’s to limit fall clearances to 4’, including 2’ maximum extension, 1’ harness stretch and 1’ safety factor. Custom mounting brackets designed to clamp to existing structure.