What does ER mean on 777?
The 777-300ER (“ER” for Extended Range) is the B-market version of the 777-300. It features raked and extended wingtips, a new main landing gear, reinforced nose gear, and extra fuel tanks. The -300ER also has a strengthened fuselage, wings, empennage (tail assembly), and engine attachments.
What happened to the 777 engine?
In February 2018, a United-operated Boeing 777 had an engine failure on its way to Hawaii, and the engine cover was ripped off. The NTSB said the incident was caused by a broken fan blade and that Pratt & Whitney inspectors hadn’t correctly identified a sign of a crack in the blade in previous inspections.
How powerful is a 777 engine?
A Single Boeing 777 Engine Delivers Twice the Horsepower of All the Titanic’s. The RMS Titanic weighed almost 50,000 tons and could carry 3,500 people. Before it sunk, it was world-famous as the massive titan of the sea. Its multiple engines, powered by 159 coal furnaces, were designed to deliver 46,000 horsepower.
Is the 777 grounded?
That’ll delay some flights. The FAA, Boeing and engine-maker Pratt-Whitney will work to fix the flaws in the Whitney 4000-112 engines which are on a number of Boeing’s jets, which are owned by a number of different airlines. …
What is the difference between 777 ER and 777 LR?
Of the two, the 777-200ER was the best seller Developed alongside the 777-300ER, the -200LR has an increased maximum takeoff weight (MTOW) and the option of three extra fuel tanks in the rear cargo hold. Additional features include a redesigned landing gear and 12.8 ft (3.90 m) wingtip extensions.
Why did 777 engine failure?
On Feb. 13, 2018, a 777 flying United Airlines passengers from San Francisco to Honolulu experienced a failure of the same type of engine over the Pacific. The plane landed safely in Honolulu. The NTSB concluded that a fan blade inside the engine fractured, leading to the failure.
Is 777 a safe aircraft?
The Boeing 777 is one of the safest and most successful aircraft in aviation history. If you’ve been on a long-haul flight in the last 20 years, there’s a high probability that you’ve been on one. Normally referred to as the “triple seven,” it has become a firm favorite with airlines and pilots alike.
Is Boeing 777 a success?
The 777 has been ordered and delivered more than any other wide-body airliner; as of August 2021, more than 60 customers had placed orders for 2,061 aircraft of all variants, with 1,669 delivered. The most common and successful variant is the 777-300ER with 844 aircraft ordered and 810 delivered.
What kind of power system does a 777 have?
The electric power system chosen for the Boeing 777 is an example of the advances seen in response to market demands for superior performance and reliability. The main electric system includes two engine-driven integrated drive generators, a generator driven by the auxiliary power unit, three generator control units, and a bus power control unit.
How many Boeing 777s have been ordered and delivered?
The 777 has been ordered and delivered more than any other wide-body airliner; as of August 2019, more than 60 customers had placed orders for 2,049 aircraft of all variants, with 1,609 delivered. The most common and successful variant is the 777-300ER with 844 aircraft ordered and 810 delivered.
Who was the first customer for the Boeing 777?
On October 14, 1990, United Airlines became the 777’s launch customer when it placed an order for 34 Pratt & Whitney-powered aircraft valued at US$11 billion with options on an additional 34. The development phase coincided with United’s replacement program for its aging DC-10s.
Which is the most powerful engine in the Boeing 777?
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).