Every aircraft operating in the United Kingdom must be registered with the Civil Aviation Authority (CAA) and carry a G-registration mark. The registration process establishes legal ownership, enables the aircraft to be issued a Certificate of Airworthiness, and allows the CAA to maintain oversight of the UK fleet.
Whether you are purchasing a UK-registered aircraft, importing one from overseas, or registering a newly manufactured aircraft, understanding the registration process is essential to avoiding delays and ensuring compliance.
Who Can Register an Aircraft in the UK?
The Air Navigation Order 2016 sets out the eligibility criteria for UK aircraft registration. An aircraft may be registered to:
- A British citizen or British national
- A Commonwealth citizen resident in the UK
- A body incorporated and registered in the UK (including limited companies, LLPs, and trusts with a UK-registered trustee)
- The Crown or a government department
In practice, most privately owned aircraft are registered to a UK limited company, often a Special Purpose Vehicle (SPV) established specifically for the purpose of aircraft ownership.
The Registration Process Step by Step
1. Application
The process begins with submitting Form CA1 to the CAA Aircraft Registration Section. This form requires details of the applicant, the aircraft (type, manufacturer serial number, and any existing registration marks), and the basis for eligibility.
2. Evidence of Ownership
The CAA requires documentary evidence that the applicant is the legal owner of the aircraft. This typically takes the form of a bill of sale, aircraft purchase agreement, or manufacturer delivery certificate. For imported aircraft, de-registration from the previous register must be confirmed.
3. Reservation of Registration Mark
Applicants may request a specific G-registration mark, subject to availability. Marks consist of the prefix G- followed by four letters. Custom marks can be reserved for a fee, or the CAA will allocate the next available mark in sequence.
4. Certificate of Registration
Once the application is approved, the CAA issues a Certificate of Registration (C of R). This document must be carried on board the aircraft at all times during flight. The C of R confirms the nationality and registration mark, the aircraft type and serial number, and the name and address of the registered owner.
5. Airworthiness Certification
Registration alone does not authorise an aircraft to fly. A separate Certificate of Airworthiness (C of A) or Airworthiness Review Certificate (ARC) must be obtained. For imported aircraft, this involves a thorough technical review by a CAA-approved organisation to confirm the aircraft meets UK airworthiness standards.
Importing Aircraft from Overseas
Importing an aircraft into the UK involves additional steps beyond standard registration:
- De-registration from the current national register
- Export Certificate of Airworthiness from the exporting state
- Customs declaration and payment of import duty (2.7%) and VAT (20%)
- UK acceptance inspection at a CAA-approved maintenance facility
- CAA registration and issuance of a UK C of A
The import process can take six to twelve weeks depending on the aircraft type, its maintenance status, and the availability of inspection slots at approved facilities. Aircraft being imported from EASA member states generally face a more straightforward acceptance process than those from non-EASA countries.
Alternative Registries
UK-based owners frequently consider alternative registries, particularly the Isle of Man (M-registration) and Guernsey (2-registration). These Crown Dependencies offer registration services that are recognised internationally under ICAO standards.
Advantages of these alternative registries include potentially lower fees, streamlined administrative processes, and regulatory frameworks that are well suited to internationally operated aircraft. However, UK-based operations must still comply with relevant CAA operational requirements regardless of where the aircraft is registered.
Costs and Timelines
CAA registration fees are modest relative to the value of the aircraft:
- New registration: approximately £120
- Change of ownership: approximately £60
- Custom registration mark reservation: additional fees apply
The registration process itself typically takes two to four weeks from submission of a complete application. Import registrations take longer due to the additional technical and customs requirements.
For assistance with aircraft registration as part of a purchase through Aviator Aircraft Sales, contact our team. We coordinate the full registration and import process on behalf of our clients purchasing aircraft in the UK.