Code of Air Brake System Tests for Freight Equipment, MSRP S-486

AAR Manual of Standards and Recommended Practices, Section E, Standard S-486 — <em>Brakes and Brake Equipment: Code of Air Brake System Tests for Freight Equipment – Single Car Test</em>. Revised 2018. MSRP volumes are updated approximately every two years; amendments are communicated through AAR Circular Letters.