Imagine that you are lost in the jungle.
in the jungle can be difficult to wade! Therefore use a stick. In the grass can be dangerous insects spiders and snakes.
For food, you can find some fruits. Avoid bright insects they are usually poisonous.
In tropical forests, there is a lot of precipitation and landslides are common. So stay away from steep slopes. After a rain you can drink rain water.
Try to see the plane. a piece of glass, aim it at the sun and move it so that the sunlight reflects to the plane. Hope for help soon.