Sec. 3-45. - Exemptions.

The following categories of aircraft shall be exempt from the provisions of this article:

(a)

Aircraft operated by the United States of America or the state of California;

(b)

Aircraft used for law enforcement, emergency, fire fighting or rescue purposes by any county, city or other local agency;

(c)

Aircraft used for emergency flights for medical purposes by any law enforcement, fire fighting, military or other person providing emergency flights for medical purposes;

(d)

Aircraft used for emergency purposes during an emergency which has been officially proclaimed by competent authority pursuant to the laws of the United States, the state of California, or Sonoma County;

(e)

Aircraft engaged in landing(s) or takeoff(s) while conducting tests under the direction of the director of aviation in an attempt to rebut the presumption of aircraft noise violation pursuant to subsection (b) of Section 3-42;

(f)

Aircraft which are being operated under a declared in-flight emergency (exemption for landings only).

(Ord. No. 4440 § 2, 1991.)