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The aircraft involved was a Boeing 777-222, the United Airlines specific variant of the original 777-200 series, registered as N773UA, (c/n 26929) and line number 4. It was powered by two Pratt & Whitney PW4000 engines and was 23.3 years old, having made its first flight on October 28, 1994. [5]
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The development phase of the 777 coincided with United Airlines replacement program for its aging DC-10s. [25] On October 14, 1990, United became the launch customer with an order for 34 Pratt & Whitney-powered 777s valued at US$11 billion (~$22.7 billion in 2023) and options for 34 more.
The number of 777 customers had grown to 25 airlines by June 1997, with 323 aircraft on order. [2] On August 26, 2004, Singapore Airlines followed up with a US$4 billion order for the 777-300ER, including 18 firm orders and 13 options. [3] The combined orders would make the carrier's 777 fleet number 77 when deliveries were complete. [3]
The Boeing Co 777 plane had flown nearly 3,000 cycles, equivalent to one take-off and landing, which compares to the checks every 6,500 cycles mandated after a separate United engine incident in ...
A pilot of a DC-10 consulting his checklist. In aviation, a preflight checklist is a list of tasks that should be performed by pilots and aircrew prior to takeoff. Its purpose is to improve flight safety by ensuring that no important tasks are forgotten. Failure to correctly conduct a preflight check using a checklist is a major contributing ...
A United States Navy SH-60F Seahawk helicopter undergoing routine maintenance in 2005. Aircraft maintenance checks are periodic inspections that have to be done on all commercial and civil aircraft after a certain amount of time or usage. Military aircraft normally follow specific maintenance programmes which may, or may not, be similar to ...
Customer Date of order Firm orders Options Deliveries Notes B777-8 B777-9 B777-8F Total B777-X B777-8F Total B777-8 B777-9 B777-8F Total Air India