Warning area
- depicted with a blue border
- warns non-participating aircraft of unusual hazards
- starts at 3NM off the coast and extends outward to at least 12 NM off the coastal area
- pilots must exercise extreme caution
Alert area
- depicted with a magenta border
- denotes an area having a high concentration of military student training
- pilots must exercise extreme caution
Restricted area
- depicted with a blue border
- denotes an area having unusual and invisible hazards to aircraft such as artillery firing, aerial gunnery, or guided missiles
- pilots must get a clearance from ATC(controlling agency, using agency) prior to entering
MOA(Military Operations Area)
- depicted with a magenta border
- separates an area containing military activities from IFR traffic
- VFR pilots must exercise extreme caution
- IFR pilots must get a clearance before entering
Prohibited area
- depicted with a blue border
- contains airspace where flight is prohibited
- established for security or national welfare
Controlled firing area
- not depicted
- do not cause non-participating aircraft to change their flight paths
- when a spotter aircraft, radar, or ground personnel determines and aircraft might be approaching the area, the activities are discontinued
June-Young Lee 