The Arizona Statement of Informal Appointment of Personal Representative (AIR) is a legal document that is used to appoint an individual to serve as the personal representative (or executor) of an estate. This document is typically filed with the Superior Court of the county where the decedent resided at the time of his or her death. The AIR serves as a notice to all interested parties that the appointed individual is the rightful executor of the estate. There are two types of Airs: the Self-Proving AIR and the Non-Self-Proving AIR. The Self-Proving AIR requires the signatures of the personal representative, two witnesses, and a notary public. Self-Proving Airs are often used when the estate is large or complex. The Non-Self-Proving AIR does not require the signatures of two witnesses or a notary public. This type of AIR is often used when the estate is small or relatively straightforward. The AIR must be filed with the court along with the decedent's death certificate and other required documents. Once the court accepts the AIR, the appointed individual can begin the process of administering the estate. This includes collecting assets, paying debts, and distributing any remaining assets to the beneficiaries.