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The evolution of the jet

When is the gold­en age of flight com­ing?

Roman­tics claim we’ll nev­er sur­pass the glo­ri­ous for­ties when the Pan Am Clip­per fer­ried pas­sen­gers in din­ner jack­ets served by but­lers. How­ev­er, those air­craft were rick­ety old bone­shak­ers com­pared to today’s sophis­ti­cat­ed machines. When you add much faster speeds, sea-lev­el cab­in pres­sure and on board wi-fi, yesterday’s tech looks pos­i­tive­ly prim­i­tive.

Experts are divid­ed about when the first busi­ness jet hit the skies. The Lock­heed Jet­Star flew on to the scene in 1961, like most ear­ly biz­jets, a com­mer­cial deriv­a­tive of an abort­ed mil­i­tary project.

But for many Bill Lear and his team at the Swiss Amer­i­can Air­craft Cor­po­ra­tion were first to mar­ket. The maid­en Lear­jet flight took off in 1963, after almost 20 years on the draw­ing board. Based on a 1950s Swiss ground-attack fight­er, the six-seater Lear­jet 23 fea­tured dis­tinc­tive fuel tanks.

Mean­while in France, Mar­cel Das­sault had been work­ing on an eight-seat exec­u­tive ver­sion of the Mys­tère 20, lat­er the Fal­con 20, a low-wing mono­plane with two rear-mount­ed Pratt & Whit­ney JT12A‑8 engines. The first pro­duc­tion air­craft flew on Jan­u­ary 1, 1965, and on June 10 Jacque­line Auri­ol set a new world record at the con­trols, clock­ing an aver­age speed of 859kph (534mph). The pro­to­type also starred in the 1966 Audrey Hep­burn com­e­dy How to Steal a Mil­lion.

Gulfstream’s first tur­bo­fan offer­ing was the Gulf­stream II, a swept-wing twin­jet pow­ered by two Rolls-Royce Spey engines. The man­u­fac­tur­er cre­at­ed an aft-mount­ed engine after exten­sive design iter­a­tions.

In 1969, arguably the most icon­ic pas­sen­ger jet ever took to the skies. Aérospatiale/BAC Con­corde, a British-French super­son­ic air­lin­er, flew in com­mer­cial ser­vice until 2003. It had a max­i­mum speed over twice the speed of sound at Mach 2.04 (1,354mph at cruise alti­tude), with seat­ing for up to 128 pas­sen­gers. There were only ever 14 work­ing air­craft.

Lockheed workmen insulating private Jetstar plane with layers of foil for sound and temperature. (Photo by Shel Hershorn/The LIFE Images Collection/Getty Images)

Lock­heed work­men insu­lat­ing pri­vate Jet­star plane with lay­ers of foil for sound and tem­per­a­ture. (Pho­to by Shel Hershorn/The LIFE Images Collection/Getty Images)

Present picture

Today Aeri­on Cor­po­ra­tion is work­ing on new tech­nolo­gies to make super­son­ic flight a poten­tial again. The firm is devel­op­ing the $120-mil­lion AS2 super­son­ic busi­ness jet, due to take flight in 2021.

By 1997, Concorde’s par­ent com­pa­ny Air­bus had intro­duced the A319 cor­po­rate jet ver­sion of its A319 air­lin­er. The com­pa­ny now offers VIP vari­ants of all its com­mer­cial jets, includ­ing its lat­est ACJ 350. Famous­ly, Air­bus has not cre­at­ed a VVIP A380-800, also known as the Fly­ing Palace. There was only one ever order placed for the type in 2012 for Sau­di Prince Al-Waleed bin Talal. This was report­ed­ly to fea­ture three full decks plus a con­cert hall, garage and steam room, but the project was can­celled.

Boe­ing, too, entered the mar­ket in 1998, with exec­u­tive ver­sions of its com­mer­cial nar­row bod­ies. Cur­rent­ly it offers what some believe is the most lux­u­ri­ous air­craft avail­able for char­ter, the $224.6‑million VIP 787–8 Dream­lin­er. China’s HNA Group oper­ates the type, which has a range of almost 9,800 miles even when car­ry­ing 40 pas­sen­gers. With a fly­ing time of about 17 hours, the plane can reach vir­tu­al­ly any des­ti­na­tion on Earth. Part­ners Kestrel, Pier­re­jean Design Stu­dios and Green­point Tech­nolo­gies designed and engi­neered the inte­ri­or from scratch, which took two-and-a-half years to come to fruition.

The most impor­tant thing today is how to max­imise ergonom­ics and crafts­man­ship

Oth­er nota­bles include the Cess­na Cita­tion X, the first true pri­vate jet to hit just under the speed of sound at Mach 0.935. Bombardier’s new Glob­al 7000 has just giv­en it a run for its mon­ey by almost break­ing the sound bar­ri­er, fly­ing at Mach 0.995 dur­ing cer­ti­fi­ca­tion tests in March. Dassault’s Fal­con 7X also deserves a men­tion for being the first ful­ly fly-by-wire busi­ness jet, enter­ing ser­vice in 2005, while Gulfstream’s G650 is the world’s longest-range pri­vate jet.

Like all the air­framers, Gulf­stream is focused on the long-term envi­ron­men­tal impact of its prod­ucts. The firm’s direc­tor of cor­po­rate com­mu­ni­ca­tions Hei­di Fedak explains: “Gulfstream’s newest fam­i­ly of air­craft, the G500 and G600, are pow­ered by ver­sions of the new Pratt & Whit­ney Cana­da PW800 series engine, which deliv­ers excel­lent fuel effi­cien­cy, few­er emis­sions and less engine noise.

“It will like­ly take a com­bi­na­tion of both new engine and new air­frame design to make future air­craft more effi­cient. Rethink­ing how air­craft are pow­ered and designed is part of the work being done at our Research and Devel­op­ment Cen­tre, which is home to approx­i­mate­ly 1,500 engi­neers and design­ers.”

In terms of state-of-the-art new air­craft, Embraer entered the mar­ket 12 years ago with a fleet of six busi­ness jets, one of which, the Phe­nom 300 light jet, is now the world’s best sell­er. The firm believes its new mid-size Lega­cy 450/500 vari­ants will out­sell the Phe­nom and that tomorrow’s design is more about ultra-per­son­al­i­sa­tion rather than rad­i­cal air­frame changes.

Jay Beev­er, the manufacturer’s vice pres­i­dent of inte­ri­or design, says: “The most impor­tant thing today is how to max­imise ergonom­ics and crafts­man­ship. We call it a ‘but­ler with wings’ in that it serves its pas­sen­gers infor­ma­tion with­out them hav­ing to ask. We believe that a per­fect­ly exe­cut­ed cab­in should be like hid­den zones of lin­gerie with pops of colour, like the bot­tom of a Louboutin shoe, or the inside of a Hugo Boss jack­et.”

Com­fort is always king. The firm is also work­ing on a pow­er seat that adapts in 21 dif­fer­ent ways to accom­mo­date its pas­sen­ger per­fect­ly. Mr Beev­er con­cludes: “It is all about expe­ri­ence – how are we improv­ing our rela­tion­ship with our cus­tomers?”