Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/wfa-visible-ground-signal
How can a stranded group improve visibility from above?
Make a large contrasting ground shape is the key point.
- Hide bright equipment under trees
- Scatter into separate drainages
- Make a large contrasting ground shape ✔
Why: Lay out a shelter or arrange rocks into a large shape visible to planes or helicopters. Use open terrain only when it is safe.
Huh, didn't know that: A large contrasting shape is easier to distinguish from natural ground patterns.
Why did the group make a rock arrow? So the view from above would get the point.
Like this card?
References
Answer: Make a large contrasting ground shape. Lay out a shelter or arrange rocks into a large shape visible to planes or helicopters. Use open terrain only when it is safe.
- NPS Outdoor Emergency Plan www.nps.gov/articles/gtgemergencyplan.htm
use rocks to create a shape that can be seen by planes or helicopters
Checked 2026-10-21.
Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.
More stuff everyone should know
That's stuff everyone should know.