Boeing 777
The Boeing 777 is a long range, twin-engine, widebody commercial airliner. It is the world's largest twinjet plane. It is often called the "Triple Seven". It can carry between 283 and 368 passengers. It has a range from 5,235 to 9,380 nautical miles.
| Boeing 777 | |
|---|---|
 | |
| Japan Airlines Boeing 777-300ER about to land at London Heathrow Airport | |
| Role | Wide-body jet airliner |
| National origin | United States |
| Manufacturer | Boeing Commercial Airplanes |
| First flight | June 12, 1994 |
| Introduction | June 7, 1995 with United Airlines[1] |
| Status | Being made and being used by airlines |
| Primary users | Emirates United Airlines Cathay Pacific Air France |
| Produced | 1991-present |
| Number built | 1,538[2] |
| Unit cost | 777-200ER: US$ 261.5 million 777-200LR: US$296.0 million 777-300ER: US$320.2 million 777F: US$300.5 million[3] |
The first 777-200 model first entered service in 1995. The stretched 777-300 was introduced in 1998. That model is 33.3 feet (10.1 meters) longer. The longer-range 777-300ER and 777-200LR models entered service in 2004 and 2006, respectively. A freighter version, the 777F, first flew in 2008. Beginning in 2019, Boeing will deliver a new version of the 777, the 777X.
More than 60 airlines operate one or more kinds of the Boeing 777. Of them, Emirates has the most in its fleet: more than 100 of them are in service or on order. Other airlines that operate a lot of 777s include United Airlines, Air France, Cathay Pacific, and American Airlines.
Variants
Variants include:
-200s variants
- 777-200 (772)
- 777-200ER (772)
- 777-200LR "Worldliner" (77L)
-300s variants
- 777-300 (773)
- 777-300ER (77W)
Freight variants
- 777F
In-development variants (777X)
- 777-8 (778)
- 777-9 (779)
777-200
The 777-200 was the first and original type of 777. It was first flown on June 12, 1994 and entered service with United Airlines on June 7, 1995. It was made to fly up to 440 people in a single class layout, and could fly 5240 nautical miles (9700 km).[4] 88 777-200 were made, with no -200 waiting to be made.
777-200ER
The 777-200ER ("ER" for Extended Range) is an extended range version and the B-market model of the original 777-200. This means it could fly longer than the original version. Although the number of passengers able to be carried remains the same, the range of the -200ER is increased to 7725 nautical miles (14,305 km). 422 -200ER were made, with no -200ER waiting to be made.
777-200LR
The 777-200LR ("LR" for Long Range) is a longer-range version and the C-market model of the 777-200. The 777-200LR holds the record for longest-ever flight, totalling 22 hours, 42 minutes and flew 11,664 nautical miles from Hong Kong to London. It has a capacity of 301 passengers. [5]
777-300
The 777-300 was launched at the Paris Air Show on June 26, 1995, its major assembly started in March 1997 and its body was joined on July 21, it was rolled-out on September 8 and made its first flight on October 16 and it entered service with Cathay Pacific on June 27, 1998. The 777-300 was designed as a stretch of its fuselage by 20% from the 200's version and have extra seats.
777-300ER
The 777-300ER is the B-market version of the 777-300. This means the 777-300ER have a higher maximum takeoff weight (MTOW) and can fly with a maximum range up to 7,370 nautical miles (13,650 km) with 396 passengers in a two-class seating arrangement. The 777-300ER features raked and extended wingtips, a strengthened fuselage and wings and a modified main landing gear. Its wings have an aspect ratio of 9.0. It is powered by the GE90-115B turbofan, the world's most powerful jet engine with a maximum thrust of 115,300 lbf (513 kN).
777-8 and -9
Launched in November 2013, the 777X will feature new GE9X engines, new carbon fiber wings with folding wingtips and a denser cabin. The longer 777-9, typically seating 426 over 7,285 nmi (13,500 km),[6] first flew on January 25, 2020, and will be delivered from October 2025, while the shorter 777-8 will typically seat 395 over 8,745 nmi (16,190 km).
Gallery
Cockpit of an American Airlines 777
The first Boeing 777-200 to ever fly people
A Malaysia Airlines 777-200ER "Super Ranger", named for its very long range
Boeing 777-300/-200 of Japan Airlines
A 777 engine
Boeing 777 Media
The Boeing 777-100 trijet concept was proposed in 1978 to compete with other trijets of the time.
The two-crew glass cockpit uses fly-by-wire controls
The 777 made its maiden flight on June 12, 1994.
On May 15, 1995, United Airlines received the first Boeing 777-200 and made the first commercial flight on June 7.
Cathay Pacific introduced the stretched -300 variant on May 27, 1998.
The Boeing Everett Factory was expanded with two new FALs to accommodate 777 production.
The more powerful GE90 engine of later variants has a 128 in (330 cm) diameter fan up from 123 in (310 cm) in earlier variants, and curved blades instead of straight ones.
Air France received the first 777-300ER on April 29, 2004.
The roll out of the third generation Boeing 777X on March 13, 2019, featuring composite wings with folding tips and more efficient GE-9X engines.
The planform view of a Boeing 777-300ER, with raked wingtips
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References
- ↑ "Boeing: The Boeing 777 Program Background." Boeing. retrieved February 20, 2014.
- ↑ "777 Model Orders and Deliveries summary Archived 2015-10-31 at the Wayback Machine". Boeing. January 2014. Retrieved February 20, 2014.
- ↑ "Boeing: Jet prices." Retrieved February 20, 2014.
- ↑ "Boeing: 777-200/-200ER Technical Characteristics." Boeing. Retrieved February 20, 2014.
- ↑ (in en) News Releases/Statements. Archived from the original on 2015-02-18. https://web.archive.org/web/20150218231635/http://boeing.mediaroom.com/2005-11-10-Boeing-777-200LR-Sets-New-World-Record-for-Distance. Retrieved 2018-02-15.
- ↑ "777X". www.boeing.com. Retrieved 2024-07-21.
Other websites
Media related to Boeing 777 at Wikimedia Commons