Normal Flight [Aeronautics and Space] Law & Legal Definition

According to 14 CFR 417.3 [Title 14 Aeronautics and Space; Chapter III Commercial Space Transportation, Federal Aviation Administration, Department of Transportation (Parts 400 to 499); Subchapter C Licensing; Part 417 Launch Safety; Subpart A General and License Terms and Conditions], Normal Flight means “the flight of a properly performing launch vehicle whose real-time instantaneous impact point does not deviate from the nominal instantaneous impact point by more than the sum of the wind effects and the three-sigma guidance and performance deviations in the uprange, downrange, left-crossrange, or right-crossrange directions.”