Definition
An FAA-issued document (AC Form 8050-3) that establishes the legal ownership and registration of a specific aircraft with the United States. It identifies the aircraft by make, model, serial number, and N-number, names the registered owner, and must be carried aboard the aircraft whenever it is operated.
Plain English
The official paper that proves the aircraft is registered with the FAA and shows who owns it. It must be in the aircraft during flight.
Context Anchor
You check this during preflight when confirming the required aircraft documents are on board.
Derivation
Registration comes from the idea of entering something into an official record. Certificate comes from older words meaning to make something certain or officially confirmed. Together, the term means an official paper confirming that the aircraft is listed in the government’s aircraft records.
Why Pilots Care
Federal regulations require it to be carried aboard; a missing or invalid certificate can prevent legal flight.
Analogy
Like the registration document for a car -- it proves the vehicle is officially recorded with the government and identifies the owner -- except for aircraft it must physically be on board every time you fly.
Intuition Check
Do not assume “registered” means “approved to fly.” The Registration Certificate only confirms the aircraft is officially recorded; other documents and inspections address whether it may be operated.
Example Sentence 1
During preflight, the pilot opened the document pouch to confirm that the registration certificate and airworthiness certificate were both on board.
Example Sentence 2
The instructor asked the student to locate the Registration Certificate before engine start to verify the aircraft was legally registered.