Which term indicates an aircraft is currently out of visual contact?

The term that indicates an aircraft is currently out of visual contact is "Blind." In aviation communication, saying that an aircraft is "Blind" means that the pilot or controller cannot visually identify the aircraft in their immediate vicinity. This situation often arises in scenarios involving multiple aircraft in the same airspace or in low-visibility conditions.

"Blind" is especially significant in combat or tactical environments where maintaining situational awareness and visual contact with one another is critical for safety and operational effectiveness. It serves as a crucial alert to other pilots or units that they are unable to see a designated aircraft, which may require additional coordination or caution.

In contrast, "Bingo" refers to fuel levels where a pilot must return to base due to low fuel, "Tied" is not a standard term used in this context, and "Homeplate" typically refers to the home base or a specific landing area, further highlighting the specific nature of the term "Blind" in indicating a lack of visual contact.