A domain can be transferred only under the following circumstances:

A. Transfer from one registrant to another registrant - ENS_AuthID Contact to ENS_AuthID Contact:  The individual to whom the domain is to be transferred has an "ENS_AuthID" . that corresponds with the domain. If a domainname.aero domain is being transferred, then the recipient must have the required ID's or authorizations to have a domainname.aero domain. This transfer must be approved by SITA. Full text of registrar policy is in the registrar agreement here.

(Note: For the purpose of communication with registrants , SITA refers to ENS_AUthID as "Aviation Community Membership ID" or "Membership ID").

B. Transfer from one authorized .aero Registrar to another authorized .aero Registrar: AuthInfo and payment of the prescribed fee are required. Full text of registrar policy is in the registrar agreement here.