Question id 609 - Preflight Preparation - FAA PPL(A) - Private Pilot Airplane

Preflight Preparation - (Refer to figure 26, area 2.) What hazards to aircraft may exist in areas, such as Devils Lake East MOA?
High volume of pilot training or an unusual type of aerial activity.
Unusual, often invisible, hazards to aircraft, such as artillery firing, aerial gunnery, or guided missiles.
Military training activities that necessitate acrobatic or abrupt flight maneuvers.

Training tests and timed exam simulations FAA PPL(A) - Private Pilot Airplane