US DOT Hazardous Materials Regulations (49 CFR Parts 171 to 180) 175: Carriage by aircraft: acceptance checks, pilot-in-command notification, quantity limits, loading and stowage, inspection for damage, lithium battery and oxygen rules and passenger and crew exceptions (175.1 to 175.705)

What does 175 require?

An aircraft operator may not accept a hazardous material unless it has inspected the package for compliance with marking, labeling, shipping papers and condition (175.30), and must give the pilot-in-command written notification (NOTOC) of the materials on board with their location, quantity, class and emergency response information before departure (175.33). Part 175 sets the quantity limits per aircraft and per package for passenger and cargo-only aircraft (175.75), the loading and securing requirements and the separation of incompatible materials (175.78), the accessibility rules for cargo aircraft, the inspection of packages for leakage or damage before and after loading (175.90), the rules for radioactive material (175.700 to 175.705, including transport index limits and separation distances), the lithium battery and oxygen provisions, the Subpart A exceptions for passengers, crew and operator-owned equipment (175.8, 175.10), and the carrier's duty to report discrepancies to FAA (175.31).