Posted Facilities
Turn your phone OFF in any facility where posted notices so require.
Aircraft
FCC Regulations prohibit using your phone while in the air. Switch OFF your phone before boarding an aircraft.
Blasting Areas
To avoid interfering with blasting operations, turn your phone OFF when in a “blasting area” or in areas posted: “Turn off
Potentially Explosive Atmospheres
Turn your phone OFF when in any area with a potentially explosive atmosphere and obey all signs and instructions. Sparks in such areas could cause an explosion or fire resulting in bodily injury or even death.
Areas with a potentially explosive atmosphere are often but not always clearly marked. They include fueling areas such as gasoline stations; below deck on boats; fuel or chemical transfer or storage facilities; vehicles using liquefied petroleum gas (such as propane or butane); areas where the air contains chemicals or particles, such as grain, dust, or metal powders; and any other area where you would normally be advised to turn off your vehicle engine.
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