Cal. Pub. Util. Code § 21407.6

(a) Any person convicted under Section 21407.1 shall be punished upon a first conviction by imprisonment in the county jail for not less than 30 days nor more than six months or by a fine of not less than two hundred fifty dollars ($250) nor more than one thousand dollars ($1,000) or by both that fine and imprisonment.
Any person convicted under Section 21407.1 shall be punished upon a second or any subsequent conviction by imprisonment in the county jail for not less than five days nor more than one year and by a fine of not less than two hundred fifty dollars ($250) nor more than one thousand dollars ($1,000), without being granted probation by the court and without having the court suspend the execution of the sentence.
(b) Any person convicted under Section 21407.1 and who, when so operating an aircraft, has done any act forbidden by law or neglects any duty imposed by law in the operation of the aircraft, which act or neglect proximately causes bodily injury to any person other than the operator shall be punished by imprisonment pursuant to subdivision (h) of Section 1170 of the Penal Code, or in the county jail for not less than 90 days nor more than one year and by fine of not less than two hundred fifty dollars ($250) nor more than ten thousand dollars ($10,000).