| After
the Show, the test campaign must go on
 The
first two Boeing 777-300ER (extended range) prototypes are
now flying on a high tempo for the aircraft certification.
The program calls for 6,000 hours of test flying within the
next nine months.
The aircraft displayed at the Paris Airshow will be mainly
used for take off, landing and cruise performance testing,
whereas the second aircraft will be flown to check the ETOPS
(Extended twin engine operations) compliance. Dennis O’Donoghue,
senior experimental test pilot, tells the story.
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Story - 
Interview
