Choosing a registry is one of the first decisions when buying an aircraft and one of the few that is expensive to change later. The jurisdiction determines applicable airworthiness rules, tax treatment, crew requirements, the ability to charter the aircraft out and its liquidity at resale. Below we cover the main registries, the selection criteria and the risks discussed less often than tax.
National or offshore registry
The first decision is whether to register in the country of basing or in a specialist jurisdiction. National registries have historically been oriented to their own airlines, and business aviation is rarely a priority within them: procedures are built for commercial carriers.
Offshore registries grew out of precisely that gap. They operate globally, are oriented to private and corporate aircraft and compete on service, since registration with them is voluntary. A key detail: all the major ones are parties to the Chicago Convention and comply with ICAO standards — this is a different regulatory regime, not a lower one.
The main offshore jurisdictions
Bermuda with the VP-B and VQ-B prefixes is one of the oldest and largest offshore registries. The territory levies no income or profits tax, and its registration marks are regarded as neutral, which matters when flying into regions with elevated risk.
The Isle of Man with the M- prefix has operated since 2007 and has become the leading registry in the European time zone. Corporate tax runs from zero to ten percent, with no capital gains or wealth taxes, the law is based on English common law, and owner details are not public. A separate practical advantage is simplified continuing airworthiness management requirements, which reduces maintenance costs.
San Marino with the T7- prefix relaunched its registry in 2012 in partnership with Aviation Registry Group, which also administers the Aruba registry. The Cayman Islands with the VP-C prefix and their own civil aviation authority appeal through the absence of taxation and are familiar to international lenders.
Guernsey with the 2- prefix occupies a distinct niche: unlike the Isle of Man, which remains a purely private registry, Guernsey issues approvals to commercial operators. That is decisive for an owner planning to charter the aircraft out to offset costs.
What actually drives the choice
The first criterion is whether commercial operation is planned. If the aircraft will be chartered out, the registry must permit an air operator certificate; purely private registries do not, which eliminates some options immediately.
The second is where the aircraft is based and where it flies. The jurisdiction affects recognition of certificates, border procedures and how quickly the registry responds to queries in your time zone.
The third is financing. Lenders work with flags they understand: a registry familiar to the bank simplifies deal structuring and security. A separate layer is registering security interests in the international registry under the Cape Town Convention, supported by all the major jurisdictions.
The fourth is residual value. An internationally recognised registry supports resale liquidity: the buyer gets a clear history of airworthiness oversight. A registry with a questionable reputation narrows the pool of buyers.
Tax: important, but not first
The tax angle is discussed more than any other: Bermuda levies no income or profits tax, Aruba no corporate or income tax or VAT, and the Isle of Man applies no VAT on aircraft sales and has no capital gains or inheritance taxes.
But experienced advisers consistently point out that tax is not the primary criterion. It is calculated once at structuring, while the regulatory regime, service availability and recognition of the flag affect operation throughout ownership.
Separately: a registry's tax treatment does not replace tax planning in the owner's country of residence and the countries of operation. Import VAT, customs regimes and temporary admission rules apply regardless of flag and are costed separately.
Political risk: the less-discussed factor
The most underestimated factor. Offshore registration does not insulate an aircraft from politics: the registry sits in a specific jurisdiction and follows its foreign policy decisions.
A telling case: in March 2022 Bermuda suspended certificates of airworthiness for 740 Russian-operated aircraft, with the Isle of Man taking similar measures. Lawyers described the consequence plainly: an aircraft without a valid certificate of airworthiness becomes 'stateless' and cannot legally fly.
The practical implication for owners in the CIS and other regions with shifting geopolitics: registry selection accounts not only for today's regime but for whose foreign policy that registry is obliged to implement. Diversification and a fallback re-registration scenario are discussed in advance, not at the moment a certificate has already been suspended.
Regional national registries
Owners from the CIS and the Middle East also consider national options. The UAE with the A6- prefix offers developed infrastructure, round-the-clock airports and a clear regime for a based aircraft. Kazakhstan with the UP- prefix has twelve operators holding an air operator certificate — more than any other Central Asian republic.
Russia with the RA- prefix currently operates under route and parts-supply restrictions, which affects both registry choice and the maintenance arrangement. The current status is checked before a decision is taken.
Ownership structure
Registry and ownership structure are linked decisions. An aircraft is rarely held by an individual directly: a special purpose vehicle is more common, a trust less so. This affects taxation, confidentiality and the title transfer procedure at resale.
Some jurisdictions require the owner to have a connection with the territory; others accept any foreign structure. For owners who value discretion, whether the registry discloses ownership data also matters: on the Isle of Man, for instance, owner information is not publicly disclosed.
The structure is agreed with lawyers and tax advisers before the registry is chosen rather than after: the reverse order leads to a jurisdiction that suits on tax refusing the chosen form of ownership.
How registration works
The procedure is similar across most jurisdictions. An application is filed with the aircraft documents, proof of ownership and details of the owner structure; the registry verifies the aircraft against airworthiness requirements and issues a certificate of registration and a certificate of airworthiness.
Timelines differ: specialist offshore registries compete on speed and usually work in days or weeks, while national ones can take longer. That matters directly to a transaction — registration runs alongside closing and affects the handover date.
A separate element is requirements on the owner structure. Some registries permit ownership through a special purpose vehicle or trust without a residency requirement; others require a connection to the jurisdiction. This is settled before filing, not during.
Changing registry
Re-registration is possible but costs more than expected. The aircraft is removed from one registry and entered on another, requiring a fresh airworthiness assessment, possible modifications to meet the new requirements, a new tail number and all the associated documentation.
The practical consequence: the aircraft is grounded, and the cost combines work, fees and lost time. That is why the choice of registry at purchase is treated as a decision best made correctly first time.
There are usually two reasons to change: a shift in the nature of operation, when a private aircraft begins to be chartered out, and a change in external circumstances — sanctions, tax or regulatory.
Common mistakes
The first is selecting a registry on tax rate without checking whether it permits the intended type of operation. The second is overlooking that a registry tax treatment does not remove obligations in the owner country of residence and the countries of operation.
The third is ignoring the lender requirements: where a deal is financed, the bank may insist on particular jurisdictions, and discovering that after choosing a registry costs more than asking in advance. The fourth is failing to allow for changed circumstances — as 2022 demonstrated.
How the decision is made
The order is: first establish the nature of operation — private or commercial, then the geography of basing and flying, then the ownership and financing structure, and only after that compare tax regimes. The reverse sequence leads to selecting on tax rate and living with operational constraints afterwards.
The decision is taken with specialist lawyers and tax advisers — it is not a broker's task. A mistake at this stage is corrected by re-registration, which costs time, money and aircraft downtime.
JetHunter supports purchase and sale transactions and factors jurisdiction into aircraft selection: the registry the aircraft currently sits on affects the title transfer procedure, timeline and cost, while the intended registry shapes the structure of the whole operation.
«A registry is chosen not by tax rate but by where the aircraft will be flying in five years. Tax is calculated once; political risk materialises when nobody expects it.»
— Alexey Mordvintsev, CEO of JetHunter
Author: Alexey Mordvintsev, CEO of JetHunter, President of the Association of Professionals of Executive Aviation Industry (APIDA). Over 14 years in the industry.