# Solution: What will be the plane’s ground speed if it flies in this course?

An aero lift airplane can fly at an airspeed of 300 mph. If there is a wind blowing towards the cast at 50mph, what should be the plane’s compass heading in order for its course to be 30°? What will be the plane’s ground speed if it flies in this course?

#### Problem Statement: ME Board April 1993

An aero lift airplane can fly at an airspeed of 300 mph. If there is a wind blowing towards the cast at 50 mph, what should be the plane’s compass heading in order for its course to be 30°? What will be the plane’s ground speed if it flies in this course?
• A. 19.7, 307.4 mph
• B. 20.1, 309.4 mph
• C. 21.7, 321.8 mph
• D. 22.3, 319.2 mph

The plane’s compass heading must be 21.7° and the plane ground speed is 321.8 mph.

Solution:

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