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Interview Question

Interview(Student Candidate) New York, NY

how many commercial aircrafts are sold every year in the US


Interview Answer

1 Answer


Number of all aircrafts/ time of life of one aircraft. Time of life =~ 30 years, Number of all aircrafts in US: I can assume that in the big airport f.e. JFK every 2 minutes during the day (12 hours) some aircraft is taking off. Approximately 20 such big airports would make the approximation for all the airports (small or not ) in US. Consequentely, N=30*12*20/2=3500. So the average "usage" of aircrafts is approximately 100.

max on Jul 29, 2013

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