A single-engine jet airplane in steady level flight at 375 knots true airspeed has drag of 9,800lbs, and the engine is operating with a TSFC of 0.45lbs/lbs−hr. The density of jet fuel is 6.7lbs/gal.
a. What is the specific endurance of the airplane at this condition? Do not use unit conversions; keep everything in terms of nm, hr, lbs, etc. Box your final answer.