At school means in a classroom, elsewhere on school premises, on a school bus or other school- related vehicle, or at a school-sponsored activity or event whether or not it is held on school premises. "At school" includes conduct using a telecommunications access device or telecommunications service provider that occurs on or off school premises if the telecommunications access device or the telecommunications service provider is owned by or under the control of the school.
Flight means any flight demonstration, flight test, taxi test, or other flight made in the performance of this contract, of for the purpose of safeguarding the aircraft, or previously approved in writing by the Contracting Officer.
DOT means the United States Department of Transportation.
flight plan means specified information provided to air traffic services units, relative to an intended flight or portion of a flight of an aircraft;