Which reference provides a checklist for loading and tying down unit equipment on railcars?

• A. HAZMAT Handling Guide
• B. Air Movement Procedures
• C. Waterway Transport Manual
• D. SDDC TEA MI 55-19, Tiedown Handbook for Rail Movements.

Answer: (D)

The key idea is identifying the official source that provides a standardized checklist for loading and securing equipment on railcars. The Tiedown Handbook for Rail Movements, specifically SDDC TEA MI 55-19, is the reference that lays out the tiedown requirements and a checklist tailored for rail transport. It covers how to load, secure, and lash equipment to prevent movement during rail transit, including appropriate anchor points, lashings, and load-securing methods suited to railcars.

The other references focus on different modes or topics—hazmat handling, air movement procedures, and waterways transport—and do not offer the rail-specific tiedown checklist needed for this scenario.