at about 6 staff
Fuel Consumption (in gallons per hour) for a Gulfstream G550: 358
roughly 5885 gallons
335,000
26
15, 010 lbs which comes to 2240 gallons of fuel.
About 182 have been built, how many are still in active service is unknown.
27
It depends on which airline it is flying for.
There is no specific collective noun for attendants, there are many different types of attendants, parking attendants, flight attendants, church attendants, etc. Use a collective noun that is suitable for the circumstances:a staff of parking attendantsa crew of flight attendantsa congregation of church attendants
7
4 to3:60
Men can be flight attendants and many of the world's great airlines employ them.