UK from the air: the Ordnance Survey Flying Unit

The OS Flying Unit was treated to a stunning view of Helvellyn, in the Lake District

The OS Flying Unit was treated to a stunning view of Helvellyn, in the Lake District - Credit: Archant

Two Cessna 404s take to the skies between February and November every year to survey around 80,000 square kilometres

Taking off from East Midlands Airport

Taking off from East Midlands Airport - Credit: Archant

The Ordnance Survey (OS) capture around 50,000 images of urban, rural, moorland and mountain terrain using a 196-megapixel camera mounted to their two aircraft, G-TASK and G-FIFA, or even the crew’s cameraphones.

GCHQ in Cheltenham, known as 'The Doughnut'

GCHQ in Cheltenham, known as 'The Doughnut' - Credit: Archant

The results are stunning…

Over the Firth of Forth, with the unfinished Queensferry Crossing at the top and the Forth Bridge, w

Over the Firth of Forth, with the unfinished Queensferry Crossing at the top and the Forth Bridge, which has been voted Scotland's greatest man-made wonder - Credit: Archant

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The iconic domes of the Eden Project in Cornwall, snapped in spring

The iconic domes of the Eden Project in Cornwall, snapped in spring - Credit: Archant

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Birmingham city centre, photographed in April, with the Bullring and the rather distinctive Selfridg

Birmingham city centre, photographed in April, with the Bullring and the rather distinctive Selfridges visible - Credit: Archant

NEC Birmingham Airport, as the crew of the Flying Unit saw it through the lens of the camera

NEC Birmingham Airport, as the crew of the Flying Unit saw it through the lens of the camera - Credit: Archant

Edgbaston cricket ground in Birmingham, where England and Australia do battle in an Ashes test - the

Edgbaston cricket ground in Birmingham, where England and Australia do battle in an Ashes test - the Flying Unit didn't get to see any cricket though - Credit: Archant

Over Silverstone, but the Grand Prix isn't in town - it's truck racing

Over Silverstone, but the Grand Prix isn't in town - it's truck racing - Credit: Archant

Many of the Orkney islands are uninhabited, making for stunning shots of their natural landscape

Many of the Orkney islands are uninhabited, making for stunning shots of their natural landscape - Credit: Archant

Orkney, off the northern coast of Scotland

Orkney, off the northern coast of Scotland - Credit: Archant

Caen Hill Locks in Wiltshire - 29 locks in a two-mile stretch of the Kennet and Avon Canal

Caen Hill Locks in Wiltshire - 29 locks in a two-mile stretch of the Kennet and Avon Canal - Credit: Archant

Cardiff Bay was flown over by the Flying Unit in summer

Cardiff Bay was flown over by the Flying Unit in summer - Credit: Archant

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Plymouth looking its best in the August sun

Plymouth looking its best in the August sun - Credit: Archant

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The Flying over Newcastle, with the Tilt Bridge on the left

The Flying over Newcastle, with the Tilt Bridge on the left - Credit: Archant

After West Pier in Brighton was demolished in 2010, having first been constructed in 1886, it was re

After West Pier in Brighton was demolished in 2010, having first been constructed in 1886, it was replaced at the site by the 160-metre high observation tower, British Airways i360 - Credit: Archant

How many London landmarks can you spot?

How many London landmarks can you spot? - Credit: Archant

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The spectacular architecture of Blenheim Palace, in Oxfordshire, is captured from the air. The palac

The spectacular architecture of Blenheim Palace, in Oxfordshire, is captured from the air. The palace was the birthplace of the great wartime Prime Minister Winston Churchill - Credit: Archant

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The 1,021-metre Buachaille in the Scottish Highlands

The 1,021-metre Buachaille in the Scottish Highlands - Credit: Archant

The famous seaside town of Blackpool, which was home to the OS Flying Unit for more than 50 years

The famous seaside town of Blackpool, which was home to the OS Flying Unit for more than 50 years - Credit: Archant

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The Flying Unit timed their run over Cornwall perfectly to get a sense of the size of the Boardmaste

The Flying Unit timed their run over Cornwall perfectly to get a sense of the size of the Boardmasters Festival - Credit: Archant

Something you would never appreciate from the ground - Sandwell Valley Country Park's rugby player m

Something you would never appreciate from the ground - Sandwell Valley Country Park's rugby player maize maze - Credit: Archant

The Flying Unit flew over BoomTown Fair shortly after a serious fire in the car park, which left bur

The Flying Unit flew over BoomTown Fair shortly after a serious fire in the car park, which left burnt-out cars for them to photograph - Credit: Archant

Boomtown Fair took over fields near Winchester in August

Boomtown Fair took over fields near Winchester in August - Credit: Archant

The rugged terrain of the Isle of Skye

The rugged terrain of the Isle of Skye - Credit: Archant

The OS Flying Unit has two Cessna 404s, G-TASK and G-FIFA

The OS Flying Unit has two Cessna 404s, G-TASK and G-FIFA - Credit: Archant

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