The de Havilland Comet was the world's first commercial passenger jet aircraft.

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First

The Comet made the first commercial journey by a jet aircraft on 2 May 1952. 

Last

The last civil Comet to fly was our Comet 4C, G-BDIX  on her journey to East Fortune in September 1981.

Faster

Aeroplanes became faster when engineers developed the jet engine. Fuel and air, forced through a nozzle at high pressure, forms a thin stream or jet; when this burns, it creates enormous energy – the 'thrust' needed to travel at great speed.

Thrust

A jet engine can either generate 'thrust' by pushing greatly expanded air/burnt fuel mix out at the rear, or driving a turbine to turn propellers on the aircrafts wings, which propel the aeroplane forward; or it can turn huge fans which suck air through engines to create 'thrust'.

Visit the de Havilland Comet 4C at National Museum of Flight, East Fortune Airfield © Ruth Armstrong Photography

First commercial jet aircraft

The Comet was the world's first passenger jet, a much faster aircraft powered by a jet engine. It made its debut in 1952. One year later, however, a Comet broke apart after taking off from Calcutta airport. Two more crashes followed before engineers traced the problem: metal fatigue spreading from the window frames.

The Comet's designers, the de Havilland Aircraft Company, re-designed the entire aircraft and the Comet 4 series appeared in 1958. They were now fitted with four mighty Rolls Royce turbojet engines; just one of the these generated a massive 10,500 lbs of power.

Maiden flight

Above: DH.106 Comet 1 G-ALYX of BOAC at Heathrow Airport. Image source: Wikimedia Commons, permission granted under license CC BY 3.0.

The Comet's first maiden flight was on 2 May 1952, from London Heathrow to Johannesburg, South Africa and it was also the first commercial journey by a jet aircraft. 

She stopped off en-route in Rome, Beirut, Khartoum, Entebbe and Livingstone. The next day 20,000 people gathered at Palmietfontein Airport to welcome the aeroplane. 

Sir Miles Thomas, Chairman of BOAC (British Overseas Airways Corporation) said on the occasion:

The principle of jet propulsion was the outcome of British enterprise and British ingenuity...forged in the fires of war, today it starts making its contribution to peace and prosperity. I am extremely proud that we had the honour of introducing this remarkable new form of travel to the world.

Comet G-BDIX making it's last ever landing on the runway at East Fortune in September 1981.

East Fortune's Comet 4C

Aircraft

de Havilland DH.106 Comet 4C

Manufacturer

Hawker-Siddeley Aviation Limited, Broughton, Chester

Year

1961

Civil Registration

G-BDIX

Dimensions

36m length x 35m wingspan x 9m height

Engine

Four Rolls-Royce Avon RA.29 axial flow jet engines

G-BDIX

G-BDIX was the last of five built in the early 1960s for the Royal Air Force. She served from their transport command centre at Lyneham in Wiltshire, and could carry 94 passengers. In a crisis, the aircraft was sometimes used as a flying ambulance, with room for 50 seats, 12 stretchers and six medical personnel.

Dan Air

The larger airline companies began phasing out Comets in the early 1970s. They were immediately snapped up by charter company Dan-Air, (known affectionately as Dan Dare).  They acquired the last five RAF Comets in 1975 and flew a 119-passenger service with them until 1980.

On board Comet 4C G-BDIX

East Fortune Airfield

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