Section 63-28 - Infliction of serious bodily injury by operation of an aircraft while impaired(a) Offense. - A person commits the offense of infliction of serious bodily injury by operation of an aircraft while impaired if, while in violation of G.S. 63-27, he does serious bodily injury to another.(b) Defense precluded. - The fact that a person charged with violating this section is or has been legally entitled to use alcohol or a drug is not a defense to a charge under this section.(c) Pleading. - In any prosecution for infliction of serious bodily injury by operation of an aircraft while impaired, the pleading is sufficient if it states the time and place of the alleged offense in the usual form and charges that the defendant did serious bodily injury to another while operating an aircraft within this State while subject to an impairing substance.(d) Punishment. - Violation of this section is a Class F felony. 1929, c. 90, s. 4; 1953, c. 675, s. 9; 1987, c. 818, s. 2; 1993, c. 539, s. 1280; 1994, Ex. Sess., c. 24, s. 14(c) .