The 17-foot parachute canopy is known for which of the following features?

The 17-foot parachute canopy is recognized for its modified design that includes water deflation pockets. These pockets are pivotal in enhancing the parachute's functionality, particularly in water landings, as they facilitate the rapid release of air once the parachute has landed on the water. This feature helps ensure that the recovery process is swift and reduces the hazard of the parachute becoming a floating obstacle.

In contrast, the other characteristics mentioned do not accurately describe the 17-foot parachute canopy. Single gore construction refers to a specific design structure that isn't exclusive to this canopy and does not define its primary operational capability. The claim that it is only available in a white color is misleading as parachutes can come in various colors for different visibility and tactical purposes. Lastly, the notion of a deployment sleeve is not applicable here, as deployment sleeves are not a typical feature of this particular parachute design. The presence of water deflation pockets is what distinctly enhances the efficacy of the 17-foot canopy during aquatic operations.