159 - ATPL - In order to provide an adequate 'buffet boundary' at the commencement of the cruise a speed of 1.3 Vs is used. At a mass of 120000 kg this is a CAS of 180 KT. If the mass of the aeroplane is increased to 135000 kg the value of 1.3 Vs will be:
Question 159 - Mass and Balance - ATPL - Airline Transport Pilot license
Increased to 191 KT, drag will increase and air distance per kg of fuel will decrease.
Increased to 202 KT but, since the same angle of attack is used, drag and range will remain the same.
Increased to 191 KT, drag will decrease and air distance per kg of fuel will increase.
Unaffected as Vs always occurs at the same angle of attack.
Training tests and timed exam simulations ATPL - Airline Transport Pilot license
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