What is a 789?
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					aviation industry
				
				
			The Boeing 787 Dreamliner is a long range, mid-sized, wide-body, twin-engine jet airliner. The B789 is a member of the B787 series of aircraft.
Keeping this in consideration, is the 789 a Dreamliner?
 The Boeing 787 Dreamliner is a wide-body airliner manufactured by Boeing Commercial Airplanes.
 
  
| Boeing 787 Dreamliner | |
|---|---|
| Produced | 2007–present | 
| Number built | 957 as of February 2020 | 
| Program cost | US$32 billion (Boeing's expenditure as of 2011) | 
Similarly one may ask, how many seats does a 789 have?
  This is the seat map for the 215-seat B787-9. There are 48 Business Class, 21 Premium Economy, and 146 Economy Class seats. Seat rows are numbered from 1 to 36.
 
 Spec.  
| Seats | 215 seats | 
|---|---|
| Overall Length | 62.8 m | 
| Wing Span | 60.1 m | 
| Tail Height | 17.0 m | 
| Typical Cruise Speed | 910 km/h | 
British Airways operates Boeing 787 Dreamliner aircraft on most of their long haul flight destinations from the UK: Calgary. Montreal. Austin.