Question

For military aircraft touchdown speed is 100 knots then, approximate value of stall speed.

(a) 90.90

(b) 100

(c) 200

(d) 223

The question was posed to me during a job interview.

The query is from Flight Mechanics in section Performance and Flight Mechanics of Aircraft Design

Answer 1

The correct option is (a) 90.90

For explanation I would say: Stall speed = touchdown speed/1.1 = 100/1.1 = 90.90.