C1 Introduction

Question 1

Rank the following from lowest to highest cause of aviation accidents

Mechanical
Human Error
Weather
ATC

Answer 1

1. Weather (5% of causes)
2. ATC (11% of causes)
3. Mechanical (11% causes)
4. Human Error (73% causes)

Question 2

Rank the following from most common to least common phase of flight for an accident to occur

Take Off
Landing
Descent
Intermediate and Final Approach

Answer 2

1. Intermediate and Final Approach (most common of the four)
2. Landing
3. Take Off
4. Descent (least common of the four)