London's private jet airports
London's major airports handle millions of passengers every year, but away from Heathrow, Gatwick and Stansted is another side of the capital's aviation industry. Airports such as Biggin Hill and Farnborough specialise in private and business aircraft — and this normally discreet world has suddenly found itself in the spotlight following new restrictions on Russian aviation.
Mention a London airport and most people immediately think of Heathrow or Gatwick.
Perhaps Stansted, Luton or London City.
But London is also surrounded by smaller airports that most ordinary passengers will never use.
They don't have enormous departure halls filled with holidaymakers.
There are no crowds waiting at low-cost airline gates.
And you are unlikely to see thousands of passengers queuing at baggage reclaim.
Instead, airports such as London Biggin Hill and Farnborough serve a very different aviation market.
Private jets.
Corporate aircraft.
Business travellers.
Government flights.
Chartered aircraft.
And some of the world's wealthiest passengers.
In March 2022, that normally discreet industry has suddenly become the subject of international attention.
The UK Government has introduced new aviation restrictions following Russia's invasion of Ukraine.
Russian aircraft have been prohibited from entering UK airspace, with the measures covering not only Russian-registered aircraft but also aircraft owned, operated or chartered by people connected with Russia.
The Government has also been given powers to remove aircraft from the UK register and to detain certain aircraft.
That has placed Britain's private aviation industry under a level of scrutiny it rarely experiences.
And two relatively small airports near London have found themselves at the centre of the story.
Aircraft connected with billionaire businessman Eugene Shvidler, a long-standing associate of Chelsea owner Roman Abramovich, have been under investigation by British authorities.
One aircraft was being held at Farnborough Airport, while another was at London Biggin Hill Airport.
The Government was examining the ownership and circumstances surrounding the aircraft following the introduction of the new Russian aviation restrictions.
At this stage, it is important to distinguish between an aircraft being investigated and a final determination that rules have been breached.
Private jets can have complicated ownership structures involving leasing companies, holding companies and aircraft-management businesses.
Establishing who ultimately owns or controls an aircraft is therefore not always as simple as checking the name on a registration document.
Biggin Hill is one of Britain's most historically important airfields.
Located in the London Borough of Bromley, around 12 miles southeast of central London, the airport is famous for its role during the Second World War.
RAF Biggin Hill became one of the best-known fighter stations during the Battle of Britain.
Spitfires and Hurricanes operating from the airfield helped defend London and south-east England during some of the most important aerial battles of the war.
Today, however, Biggin Hill has a very different role.
It is primarily a business aviation airport.
Instead of scheduled passenger flights carrying hundreds of people at a time, Biggin Hill specialises in private aircraft and aviation services.
A passenger arriving at Biggin Hill isn't likely to experience anything resembling a conventional airline terminal.
Private aviation is designed around speed, privacy and convenience.
Passengers can often arrive relatively shortly before departure.
Security and immigration procedures can be handled through dedicated facilities.
There is no need to walk through a vast shopping complex before reaching the aircraft.
And rather than waiting at a gate with several hundred other passengers, travellers may move quickly from a private lounge directly to their jet.
For wealthy individuals and corporate travellers, saving time is one of the biggest attractions.
Location is important.
Biggin Hill sits relatively close to central London while avoiding many of the operational complications associated with Britain's largest commercial airports.
A private aircraft doesn't necessarily need Heathrow.
In fact, using Heathrow could be less convenient.
Heathrow is designed around large-scale commercial aviation.
Runway capacity is extraordinarily valuable and airline schedules dominate operations.
A specialist business-aviation airport can provide an experience specifically designed for private aircraft.
Biggin Hill therefore occupies an unusual position.
It is small compared with Heathrow but potentially much more convenient for a passenger arriving on their own aircraft.
Around 40 miles southwest of central London is another airport that many people recognise by name without necessarily realising what happens there.
Farnborough Airport is one of Britain's leading business-aviation airports.
The location is famous internationally because of the Farnborough International Airshow, when aircraft manufacturers, airlines, governments and aviation businesses gather for one of the world's most important aerospace events.
But outside the airshow, Farnborough has another role.
It is a specialist airport for business aviation.
Private jets arrive from destinations across Europe and around the world, bringing corporate executives, wealthy individuals and other passengers into the London region.
The difference becomes obvious when comparing the airports.
Heathrow handled tens of millions of passengers annually before the pandemic.
Farnborough handles a fraction of that number.
But passenger numbers aren't really the point.
A single private aircraft may carry only a handful of people.
The business model is based on providing premium aviation services rather than moving the maximum possible number of passengers through a terminal.
That means private lounges, aircraft handling, hangars, maintenance facilities and rapid passenger processing are particularly important.
At first glance, it might seem surprising that someone travelling on a private jet worth tens of millions of pounds would choose a relatively small airport.
In reality, that is precisely the attraction.
Private aviation is largely about avoiding the inconveniences associated with large commercial airports.
A passenger doesn't necessarily want an airport with 80 million passengers.
They want an airport where their aircraft can land conveniently, their car can be waiting nearby and they can be travelling towards their destination shortly afterwards.
The aircraft itself provides the long-distance luxury.
The airport provides speed and discretion.
For private aviation passengers, the important measurement isn't necessarily flight time.
It is door-to-door journey time.
Imagine two options.
A passenger can land at a huge international airport but spend considerable time taxiing, passing through a busy terminal and reaching a waiting vehicle.
Or the passenger can land at a smaller specialist airport, complete the necessary procedures quickly and leave almost immediately.
Even if the smaller airport is slightly farther from the final destination, the total journey may still be faster.
That helps explain why London's network of smaller airfields remains valuable despite the enormous airports surrounding the capital.
Biggin Hill and Farnborough aren't the only airports serving this market.
Business aircraft can also use facilities including London Luton, London Stansted and London Oxford Airport, depending on the aircraft, destination and operating requirements.
Luton and Stansted combine substantial commercial airline operations with private and business aviation.
The result is effectively a second aviation network operating alongside the airline system most passengers recognise.
A family heading to Spain on a low-cost airline and a billionaire travelling across Europe by private jet may both be using London's aviation infrastructure.
But their airport experiences can be almost completely different.
The aircraft using business-aviation airports range enormously in size and value.
Smaller jets may be designed for relatively short European journeys.
At the other end of the market are aircraft capable of flying intercontinental routes.
Large business jets produced by manufacturers such as Bombardier, Gulfstream and Dassault can cost tens of millions of pounds.
Some have bedrooms.
Others have dining areas, showers and sophisticated communications systems.
Long-range aircraft can connect London directly with destinations thousands of miles away without requiring passengers to use scheduled airlines.
This explains why ownership and control of private aircraft has become an important element of the sanctions introduced following Russia's invasion of Ukraine.
The British Government has tightened restrictions considerably.
Russian aircraft are now prohibited from flying in UK airspace or landing in the country under the new measures.
The rules are intended to cover aircraft that may not necessarily carry a Russian registration but are owned, operated or chartered by people connected with Russia.
That distinction is particularly important in private aviation.
An aircraft used by a Russian individual may be registered elsewhere.
It may technically belong to a company rather than an individual.
And that company may itself be registered in another jurisdiction.
Determining ownership and control can therefore require detailed investigation.
Commercial aircraft passengers rarely think about aircraft registration.
Private aviation makes the issue much more significant.
A business jet may be registered in Luxembourg, Malta, the Isle of Man, Bermuda or another jurisdiction while regularly transporting passengers of completely different nationalities.
Registration indicates the legal jurisdiction responsible for the aircraft.
It doesn't necessarily reveal who ultimately benefits from or controls it.
That is one reason authorities investigating aircraft connected with sanctioned individuals may need time before deciding what action to take.
Since the invasion of Ukraine began on 24 February, Western governments have introduced wide-ranging sanctions targeting Russian financial institutions, businesses and wealthy individuals.
Luxury assets have attracted particular attention.
Superyachts.
Property.
Private jets.
These assets are highly visible symbols of wealth, but identifying their legal ownership can be complicated.
The private-aviation industry therefore faces the difficult task of ensuring that aircraft movements comply with rapidly changing restrictions.
Airports, operators, aircraft-management companies and service providers all need to understand which rules apply.
For airports such as Biggin Hill and Farnborough, the situation is developing extremely quickly.
Only weeks ago, a private jet arriving from Russia might have represented a relatively routine business-aviation movement.
Today, the same aircraft could require considerably greater scrutiny.
Operators need to consider registration.
Ownership.
Charter arrangements.
Passenger connections.
Sanctions status.
And whether the aircraft is legally permitted to enter British airspace.
That represents a major change for an industry traditionally built around flexibility and rapid international travel.
Before the invasion, Russia represented a significant market for European private aviation.
Business aircraft regularly connected Moscow and other Russian cities with financial and leisure destinations across Europe.
London was naturally an important destination.
Britain's capital is a major centre for finance, property, professional services and international business.
The sudden restrictions therefore have consequences not just for individual aircraft owners but for airports, handling companies, maintenance businesses and charter operators.
The effects may be particularly noticeable at airports specialising in long-range business aviation.
One aspect of private aviation is surprisingly conventional.
However luxurious the aircraft, the passenger still needs to travel between the airport and their final destination.
That makes ground transport an important part of business aviation.
At a major commercial airport, passengers may use trains, buses, taxis or private hire vehicles.
Private aviation passengers are much more likely to have transport arranged in advance.
A chauffeur or private hire vehicle may be waiting when the aircraft lands.
The aim is to make the transition between air and road as quick as possible.
Biggin Hill's location makes road transport particularly important because the airport doesn't have the direct rail connections passengers associate with airports such as Gatwick or Stansted.
A passenger travelling onwards into central London will normally require a road transfer for at least part of the journey.
Traffic conditions can therefore have a significant effect on the overall journey.
The same applies in reverse.
A private jet may be capable of departing shortly after the passenger arrives, but that advantage disappears if the passenger doesn't allow sufficient time to reach the airport through London traffic.
Farnborough is farther from central London.
That makes advance ground-transport planning even more important.
Depending on traffic, a journey between London and Farnborough can take considerably longer than the flight passenger might expect when looking only at the distance.
The M3 provides an important road connection, but congestion can affect journey times.
For business travellers operating to tight schedules, the ground transfer therefore needs to be treated as part of the aviation itinerary rather than an afterthought.
For most international travellers, Heathrow remains the obvious gateway to London.
But private aviation demonstrates that an airport's importance isn't determined solely by passenger numbers.
Biggin Hill may be tiny compared with Heathrow.
Farnborough doesn't operate a conventional scheduled-airline network.
Yet both play an important role in London's connectivity.
They provide something that Heathrow cannot always provide as efficiently: a specialist airport built around individual aircraft and individual passengers rather than mass transportation.
Biggin Hill's transformation is particularly remarkable.
Its name remains inseparable from the Battle of Britain.
More than 80 years later, the same location serves sophisticated modern business jets capable of crossing continents.
The aircraft have changed.
The passengers have changed.
And the purpose of the airport has changed.
Yet aviation remains at the centre of the site.
That combination of history and modern business aviation makes Biggin Hill one of the most unusual airports serving London.
The events of March 2022 have demonstrated something else.
An airport doesn't need millions of passengers to become internationally significant.
A single aircraft can suddenly place a small airfield at the centre of a major geopolitical story.
For Biggin Hill and Farnborough, attention that would normally be focused on business aviation, aircraft movements and corporate travel is now being directed towards sanctions and aircraft ownership.
The situation may continue to evolve as British authorities examine aircraft and enforce the new restrictions.
But the story also provides a rare glimpse into a side of London's aviation industry that usually operates quietly in the background.
Behind Heathrow, Gatwick, Stansted and Luton is another network.
Smaller airports.
Private terminals.
Business jets.
And passengers whose journey through London may begin without ever entering a conventional airport terminal.
London's aviation network extends well beyond the major commercial airports.
Alongside Heathrow, Gatwick, Stansted, Luton and London City, specialist airports such as Biggin Hill and Farnborough provide important facilities for private and business aviation.
For passengers using these airports, ground transport is an essential part of the journey.
London Airport Transfer provides pre-booked private hire journeys across London and can accommodate transfers involving London's airports and destinations throughout the capital.
Private aviation often operates to tighter schedules than conventional airline travel, making advance booking particularly important.
A passenger may spend only a short time passing through a private terminal, but London's road congestion remains exactly the same whether they arrived on a £50 million business jet or a scheduled airline.
For that reason, sufficient travelling time should always be allowed between London and airports outside the city centre.
Private aviation may provide an entirely different airport experience.
The final part of the journey still takes place on London's roads.
Written by London Airport Transfer for passengers travelling to and from London airports.