Quantcast

Why Boeing added an upper deck to create its iconic ‘hump’ on the original jumbo jet

Delta Air Lines bets on ‘blended-wing’ flight to reduce emissions
Delta crash passengers should take the $30,000 payment, their lawyers say. Here’s why.
Budget airline launches new cheap flights to one of the UK’s top winter sun destinations
Brazilian airline Azul to go 'back to basics' after challenging 2024
Airlines cancel flights as air travel to ‘grind to complete halt’ this week ahead of major strike action in Europe
Dramatic moment American Airlines plane diverted to Rome is escorted by fighter jets after mid-air bomb threat
Jetstar Faces Major Backlash as Nationwide System Outage Causes Travel Chaos, Stranding Passengers and Disrupting Flights Across the Australian Airline Industry
Sudden oil supply outages creating turbulence for airline industry
Southwest's layoffs dent its worker-first culture
Abu Dhabi's long-haul carrier Etihad Airways sees record $476 million profit in 2024
Jet2 warns of profits squeeze from rising costs and late bookings
Southwest bends further to activist shareholder Elliott's demands
Downgraded on a flight? Take these simple but important steps to get your money back
Delta Offers Over $2 Million to CRJ Crash Passengers
Boeing Delays Continue for Alaska, Hawaiian
Hong Kong Airlines launches daily Sydney flights
Airline to launch new bunk beds in economy on long-haul flights next year
How Airline Employees Are Coping After Deadly Washington Crash
Major airline reverses in-flight menu change amid outcry
British Airways frequent flyer scheme changes: everything you need to know
Airline introduces world-first hand luggage ban on popular travel gadget
Air Canada Delays Boeing 767 Reentry
Flight Centre tips ‘price war’ as first direct Melbourne to LA Delta flights go on sale
FAA reverses course on meeting prohibition, blaming rogue employee
British Airways tweaks frequent flyer scheme after backlash
Delta flight from New York to Florida diverted to North Carolina due to ‘odor in the cabin’
EASA Certifies Safran’s First Electric Motor
US court blocks Biden administration's airline fee disclosure rule
JetBlue Issues Dim Outlook But Execs Remain Confident in Turnaround Plan
Delta to Resume Tel Aviv Flights April 1
Why Boeing added an upper deck to create its iconic ‘hump’ on the original jumbo jet
Policy
Webp a3
CEO Kelly Ortberg | Boeing

The Boeing 747, recognized for its distinctive upper deck hump, was initially designed as a cargo aircraft. In the 1960s, airlines such as Pan American World Airways (Pan Am) sought larger aircraft to accommodate the increasing number of air travelers. While the Boeing 707 addressed some of this demand, it was the 747 that became a defining figure in aviation.

At the time of its design, many in the industry believed supersonic jets would soon dominate commercial travel. As a result, Boeing engineered the 747 so that large cargo could be loaded through a nose door. This required raising the cockpit above the main deck, resulting in the now-famous upper deck.

As passenger demand continued to rise globally, Boeing adapted the 747’s design for both passenger and freight use. The aircraft's high capacity allowed airlines to lower ticket prices by reducing costs per seat and helped expand air travel accessibility. Initially, airlines used the upper deck primarily as lounge or first-class space; over time, later models like the 747-300 and 747-400 featured expanded upper decks with additional seating.

Get the Newsletter
Sign-up to receive weekly round up of news from Sky Industry News
By submitting, you agree to our Privacy Policy and Terms of Service. By providing your phone number you are opting in and consenting to receive recurring SMS/MMS messages, including automated texts, to that number from our short code. Msg & data rates may apply. Reply HELP for help, STOP to end. SMS opt-in will not be sold, rented, or shared.

Boeing faced technological constraints when designing the aircraft. A full-length double-deck structure was not feasible at that time due to engineering limitations. Instead, Boeing opted for a smaller upper deck as a compromise between increased capacity and available technology.

Pan Am played an instrumental role in shaping and launching the Boeing 747 program. The aircraft entered service in January 1970 on Pan Am’s New York JFK–London Heathrow route and significantly influenced global air travel by making long-haul flights more affordable and accessible.

Over several decades, numerous variants of the Boeing 747 were produced. The most popular among airlines worldwide was the 747-400 series; Lufthansa became launch customer for its latest passenger variant—the 747-8I—in June 2012. The final version included features from newer models such as longer fuselage length, General Electric GEnx engines, and advanced wing designs.

Beyond commercial use, specialized versions of the Boeing 747 served various roles including military transport and NASA’s Shuttle Carrier Aircraft program. For more than thirty years it held records for highest passenger capacity until surpassed by Airbus’ A380 in 2007. Facing competition from more fuel-efficient twin-engine jets like https://simpleflying.com/boeing-777/, production of new Boeing 747s ended officially in early https://simpleflying.com/boeing-747-production-end/.

In total, Boeing built over https://simpleflying.com/boeing-747-production-numbers/. Japan Airlines operated more than one hundred units across multiple variants—making it one of its largest operators alongside Singapore Airlines, Korean Air, British Airways and United Airlines (which retired its last unit in November https://simpleflying.com/united-airlines-retires-boeing-747/). Qantas also notably ran an all-Boeing-747 fleet starting in https://simpleflying.com/qantas-all-boeing-747-fleet-history/.

Today only three carriers continue to operate scheduled commercial flights using Boeing 747s: Lufthansa (with both -400 and -8I models), Air China and Korean Air.

The success of this family demonstrated strong market potential for high-capacity long-haul planes—a lesson adopted by Airbus when developing their full-length double-decker A380 model introduced into service with Singapore Airlines in https://simpleflying.com/a380-service-entry-singapore-airlines/. Emirates remains by far its largest operator with plans to keep much of their A380 fleet flying after retrofits add premium economy cabins.

While most major airlines have phased out their fleets amid shifting economics favoring newer widebodies like those mentioned above—particularly at airports operating near maximum capacity—the “Queen of the Skies” maintains iconic status within aviation history circles for uniting people worldwide over five decades.

Juan Trippe—founder of Pan Am—noted upon introduction:

“The new era of mass travel between nations may well prove more significant to human destiny than the atom bomb. … The 747 will be a great new weapon of peace.”

Organizations Included in this History
More News

Emirates Airlines has highlighted the evolution of its cabin crew uniform, emphasizing its commitment to timeless design and practicality.

Oct 23, 2025

Emirates has achieved the Gold Tier status in the 2024 Fly Quiet Programme at New York’s JFK Airport, making it the only airline to receive this distinction among all participating carriers.

Oct 23, 2025

Flying Food Group, Inc. has announced the recipients of its 2025 scholarships, with all five applicants receiving awards this year.

Oct 23, 2025

Dnata, a global provider of air and travel services, has entered into a joint venture with Azerbaijan’s Silk Way Group to launch ground handling and cargo operations at Alat International Airport, located in the Alat Free Economic Zone in Baku.

Oct 22, 2025

Delta Air Lines has announced the release of version 7.5 of its mobile app, introducing new features aimed at making travel planning and management easier for customers during the holiday season.

Oct 22, 2025

The Fair Work Commission has ruled that a former employee of dnata Airport Services was unfairly dismissed and awarded $36,468.39 in compensation.

Oct 22, 2025