Editing Boeing 777 (section)

=== Testing and certification ===
[[File:Boeing 777 in then-Boeing livery K58552.jpg|thumb|The 777 made its [[maiden flight]] on June 12, 1994.|alt=Side view of a twin-engine jet in flight, surrounded by white clouds]]

Major assembly of the first aircraft began on January 4, 1993.<ref name="sabbagh168">{{Harvnb|Sabbagh|1995|pp=168–169}}</ref> On April 9, 1994, the first 777, number WA001, was rolled out in a series of 15 ceremonies held during the day to accommodate the 100,000 invited guests.<ref name="sabbagh256-259">{{Harvnb|Sabbagh|1995|pp=256–259}}</ref> The first flight took place on June 12, 1994,<ref name="Eden 2008, p. 107">{{Harvnb|Eden|2008|p=107}}</ref> under the command of chief test pilot John E. Cashman.<ref name="Birtles_777_p25">{{Harvnb|Birtles|1998|p=25}}</ref> This marked the start of an 11-month flight test program that was more extensive than testing for any previous Boeing model.<ref>{{cite web |url=https://archive.seattletimes.com/archive/19930816/1716209/boeings-777-will-be-tops-when-it-comes-to-etops |title=Boeing's 777 Will Be Tops When It Comes To ETOPS |work=[[Seattle Times]] |last=Andersen |first=Lars |date=August 16, 1993 |access-date=March 20, 2009 |archive-date=August 11, 2011 |archive-url=https://web.archive.org/web/20110811212724/http://community.seattletimes.nwsource.com/archive/?date=19930816&slug=1716209 |url-status=live}}</ref> Nine aircraft fitted with General Electric, Pratt & Whitney, and Rolls-Royce engines<ref name="Eden 2008, p. 107"/> were flight tested at locations ranging from the desert airfield at [[Edwards Air Force Base]] in California<ref name="norris144"/> to frigid conditions in Alaska, mainly [[Fairbanks International Airport]].<ref>{{Harvnb|Birtles|1998|p=40}}</ref> To satisfy ETOPS requirements, eight 180-minute single-engine test flights were performed.<ref>{{Harvnb|Birtles|1998|p=20}}</ref> The first aircraft built was used by Boeing's [[nondestructive testing]] campaign from 1994 to 1996, and provided data for the -200ER and -300 programs.<ref>{{Harvnb|Birtles|1999|p=34}}</ref>

At the successful conclusion of flight testing, the 777 was awarded simultaneous airworthiness certification by the US [[Federal Aviation Administration]] (FAA) and European [[Joint Aviation Authorities]] (JAA) on April 19, 1995.<ref name="Eden 2008, p. 107" />