What is the maximum speed for the JLTV when the SPNSN NOT LEVEL light comes on?

The maximum speed for the JLTV when the SPNSN NOT LEVEL light is illuminated is accurately identified as 18 mps (meters per second). This speed limit is in place to ensure operational safety and maintain vehicle control when the suspension system is not functioning at its optimal level or when there are issues detected with vehicle stability.

The SPNSN NOT LEVEL light indicates that the vehicle's terrain management system has detected a significant deviation in axle heights. At this point, limiting the speed to 18 mps helps prevent potential damage to the vehicle and maintains the safety of the occupants. By restricting the maximum speed, operational personnel can navigate hazardous terrain more safely, avoiding abrupt movements that could exacerbate mechanical issues or compromise the vehicle's stability.

This understanding highlights the importance of vehicle systems monitoring and the protocols necessary to maintain safe operation, especially in various tactical environments.