FAA Registry Definitions Results Certificate Issue Date Date the Aircraft Registration Branch issued the Certificate of Aircraft Registration, AC Form 8050-3. Note: If registered based on a dealer's certificate, "None" will appear in this field. Classification/Category The Airworthiness classification/category according to the latest Application for Airworthiness Certificate, FAA Form 8130-6. Date Change Authorized Date the Aircraft Registration Branch issued the Assignment of Special Registration Marks, AC Form 8050-64. Dealer A party engaged in the business of manufacturing, distributing, or selling aircraft who has been issued a Dealer's Aircraft Registration Certificate, AC Form 8050-6. Aircraft registered in the name of a Dealer will reflect "None" in the certificate issue date field. Deregistered Aircraft An aircraft that has been removed from the U.S. Civil Aircraft Register at the owner's request. Aircraft are generally removed for the following reasons: exported, destroyed, salvaged, dismantled, or permanently retired from service. Fractional Ownership An aircraft having multiple owners who have purchased an expressed percentage of the aircraft. Fuel Modifications The text shown is an excerpt from FAA Form 337, Major Repair and Alteration, describing the installation or modification of a fuel tank on a specific aircraft. In Question The status of an aircraft's certificate of registration is changed to "In Question" when the aircraft's record contains information which, if true, would render the certificate ineffective. MFR Year Year the aircraft was manufactured based on information shown on the Application for Airworthiness Certificate, FAA Form 8130-6. This is not necessarily the model year. Mode S Code Eight digit transponder address code assigned to each U.S. Registration Number as part of the Mode Select Beacon System (Mode S). Sometimes referred to as the ICAO address code. N-Number The nationality and registration markings of U.S. registered aircraft. Notice of Ineffectiveness FAA Legal Counsel has determined possible non-compliance with regulatory requirements which may render the Certificate of Aircraft Registration ineffective. Pending Number Change The Aircraft Registration Branch has issued an Assignment of Special Registration Marks, AC Form 8050-64, authorizing the new (pending) N-Number to be placed on the aircraft. Physical Address Physical location or address of an applicant using a P O Box or mail drop for mailing purposes. Purge Date The date the reserved N-Number will be purged from the Aircraft Registration database unless it is renewed by the current reserving party. Renewal Date The date a reserved N-Number was renewed. Reserved N-Numbers must generally be renewed annually. Reserved Date The date the Aircraft Registration Branch reserved the N-Number for the requester. If shown in conjunction with a Pending Number Change, the date the Aircraft Registration Branch issued the Assignment of Special Registration Marks, AC Form 8050-64. Reserved N-Number An N-Number reserved by the party shown for use on an aircraft at a later date. Or, if shown in conjunction with a pending N-Number Change, the new N-Number authorized for use on the aircraft. Revoked The Certificate of Aircraft Registration was revoked through enforcement action by FAA Legal Counsel's Office. Serial Number The unique number assigned by the manufacturer/builder. Temporary Certificate A Temporary Certificate of Registration issued to the registered owner, generally by fax, used pending receipt of the Certificate of Aircraft Registration, AC Form 8050-3. Type Aircraft The classification of an aircraft based on construction and method of operation (glider, balloon, blimp/dirigible, fixed wing or rotorcraft). Type Engine The type of engine(s) installed on the aircraft (none, reciprocating, turbo prop, turbo shaft, turbo jet, turbo fan, or ramjet). Undeliverable Triennial Indicates a Triennial Aircraft Registration Report was returned by the Post Office as undeliverable.