Is propylene glycol diluted with water the only deicing agent authorized for spraying on the T-6A?

Propylene glycol diluted with water is indeed the primary deicing agent authorized for use on the T-6A aircraft. This deicing agent is effective in preventing ice accumulation on critical surfaces, thereby enhancing safety and operational readiness. The use of propylene glycol is widely accepted due to its effectiveness and relative safety when compared to other potential deicing agents, particularly in a military context where specific protocols are required.

While there may be other deicing agents in use across different aircraft or regions, for the T-6A, propylene glycol mixed with water is specifically designated for this purpose. This ensures consistency in operations and maintains the integrity of aircraft systems, as alternative substances may not have been rigorously tested for compatibility with the T-6A’s design and materials. Understanding the approved materials for deicing is crucial for pilots and ground crews to prevent any potential issues that could arise from using unauthorized substances.