- Why is the 777 so loud?
- What is the difference between a 747 and 777?
- Which commercial plane is the fastest?
- How fast does a 747 cruise at?
- Why was the 747 discontinued?
- What is the oldest 747 still flying?
- What is the fastest plane in 2020?
- What was the fastest plane ever?
- Is Boeing 777 larger than 747?
- How old are 777 planes?
- Can a 747 break the sound barrier?
- What is the most dangerous part of a flight?
- Which is the fastest flight in the world?
- Can a Boeing 777 fly on one engine?
- How many hours can a 777 fly without refueling?
Why is the 777 so loud?
The General Electric, Rolls Royce and Pratt & Whitney engines designed for the 777 have the largest front fan disks of any commerical airliner turbofan engine.
The fan blade tips go supersonic, creating a droning noise that in my opinion is very irritating..
What is the difference between a 747 and 777?
The 777 is a twin aisle and the world’s largest twin engine commercial airliner, with seating for up to almost 400 passengers. The 747 was originally designed to have a lower cargo hold. … a 747 is a double decker plane and the 777 is a 2 engine long haul plane (747 has 4 engines) and is also longhaul.
Which commercial plane is the fastest?
Boeing 747-8iBoeing 747-8i And according to Boeing, the 747-8I is the world’s fastest commercial jet. This plane can reach an impressive speed of Mach 0.86; it is currently in service with several major commercial airlines such as Air China, Korean Air and Lufthansa.
How fast does a 747 cruise at?
560 mphIt has a pronounced 37.5° wing sweep, allowing a Mach 0.85 (490 kn; 560 mph; 900 km/h) cruise speed, and its heavy weight is supported by four main landing gear legs with four-wheel bogies each.
Why was the 747 discontinued?
Boeing is ending the 747 production line in 2022 while Airbus just delivered its last A380 fuselage to the assembly line in France in June. High operating costs and efficient twin-engine alternatives marred orders for both planes in the 2010s as the manufacturers promised jets that could fly further for cheaper.
What is the oldest 747 still flying?
The oldest 747 still flying ordinary punters is owned by Iran’s Mahan Air. It first flew in 1986 and has been on Mahan’s books since 2007. The majority of BA’s active jumbos are far newer. The oldest, G-BNLY, was delivered in 1993; the newest, G-BYGG, in 1999.
What is the fastest plane in 2020?
Top 10 Fastest Plane in the WorldSukhoi Su-27. Top Speed: 2,500 km/h. … General Dynamics F-111 Aardvark. Top Speed: 2,655 km/h. … McDonnell Douglas F-15 Eagle. Top Speed: 3,017 km/h. … Mikoyan MiG-31. Top Speed: 3,000 km/h. … North American XB-70 Valkyrie. Top Speed: 3,309 km/h. … Bell X-2. Top Speed: 3,370 km/h. … Mikoyan MiG-25. Top Speed: 3,494 km/h. … Lockheed YF-12.More items…•3 days ago
What was the fastest plane ever?
The Lockheed SR-71 Blackbird is the fastest jet aircraft in the world, reaching speeds of Mach 3.3–that’s more than 3,500 kph (2,100 mph) and almost four times as fast as the average cruising speed of a commercial airliner.
Is Boeing 777 larger than 747?
Boeing themselves has touted the 777x as the new replacement aircraft for the aging 747….Boeing 777x vs Boeing 747.Boeing 777x-9Boeing 747-8Length251 ft 9 in (76.7 m)250 ft 2 in / 76.3 mWingspan235 ft 5 in (71.8 m), 212 ft 9 in (64.8 m) folded224 ft 7 in / 68.4 m13 more rows•Nov 7, 2018
How old are 777 planes?
The 777 program was launched in October 1990 with an order from United Airlines. In June 1995, United flew its first 777 in revenue service. The Boeing board of directors authorized production of the 777-300 on June 26, 1995, and the first 777-300 was delivered to Cathay Pacific Airways in June 1998.
Can a 747 break the sound barrier?
What would have to happen for a 747 to break the sound barrier in a sustained controlled flight? … A 747 is certainly capable of going supersonic. Boeing and other entities have tested it right up to the threshold of Mach 1 (around 0.98 or 0.99).
What is the most dangerous part of a flight?
Boeing research shows that takeoff and landing are statistically more dangerous than any other part of a flight. 49% of all fatal accidents happen during the final descent and landing phases of the average flight, while 14% of all fatal accidents happen during takeoff and initial climb.
Which is the fastest flight in the world?
North American X-15Number 1: North American X-15 This aircraft has the current world record for the fastest manned aircraft. Its maximum speed was Mach 6.70 (about 7,200 km/h) which it attained on the 3rd of October 1967 thanks to its pilot William J.
Can a Boeing 777 fly on one engine?
Wide-body aircraft like the Boeing 777 are rated to fly for more than five hours on a single engine. Visit the Business section of Insider for more stories.
How many hours can a 777 fly without refueling?
23 hoursThe longest that a commercial airplane has flown without refueling is a little over 23 hours. This was achieved by a Boeing 777-200 LR that flew between Hong Kong and London, covering a distance of almost 20,000 km.