Revenue and Taxation Code section 217.1
(a)
Except as provided in subdivision (d), the following articles of personal property that are made available for display in a publicly owned aerospace museum, or an aerospace museum that is regularly open to the public and that is operated by a nonprofit organization that qualifies for exemption pursuant to Section 23701d, shall be exempt from taxation:(1)
Aircraft that have been restored or maintained, whether currently certified or not for flight purposes.(2)
Aircraft donated in perpetuity to the aerospace museum.(b)
When making a claim for an exemption pursuant to this section, a person claiming the exemption shall give all information required and answer all questions in an affidavit, and shall subscribe and swear to the affidavit, under penalty of perjury. The assessor may require other proof of the facts stated before allowing the exemption. The affidavit shall be accompanied by a certificate of the director or other officer of the aerospace museum in which the property for which an exemption is claimed under this section was made available for display that the property was available for public display in the aerospace museum for the period specified in subdivision (e).(c)
For the 1984–85 assessment year and each assessment year thereafter, the provisions of Section 255 and 260 shall be applicable to the exemption provided by this section.(d)
The exemption provided by subdivision (a) shall not apply to any aircraft loaned by any person who holds aircraft primarily for purposes of sale.(e)
The exemption provided by this section shall not apply unless the property was made available for public display in the aerospace museum for a period of 90 days during the 12-month period immediately preceding the lien date for the year for which the exemption is claimed.(f)
For purposes of this section, “regularly open to the public” means that the aerospace museum was open to the public not less than 20 hours per week for not less than 35 weeks of the 12-month period immediately preceding the lien date for the year for which the exemption is claimed.(g)
If a person certifies in writing that the property will be made available and the aerospace museum open for the periods specified in subdivisions (e) and (f), and the property is not so made available or the aerospace museum is not so opened, the exemption shall be canceled, and an escape assessment may be made as provided in Section 531.1.(h)
The exemption provided by this section shall be applicable for the 1979–80 fiscal year and each fiscal year thereafter.
Source:
Section 217.1, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=RTC§ionNum=217.1.
(accessed May 4, 2025).