What is the letter corresponding to a tank endorsement?

The letter corresponding to a tank endorsement is indeed represented by the letter N. This endorsement is required for drivers who want to operate vehicles that transport liquids in tank vehicles, such as those carrying fuel or chemicals.

The N endorsement focuses on specialized knowledge and skills needed to handle the unique challenges associated with tank vehicles, including the need to manage load balance, understand the effects of liquid slosh, and be aware of additional safety precautions.

This endorsement is crucial for ensuring that drivers are well-equipped to handle the transport of these materials safely and in compliance with regulations.