General Terms and Definitions

Question 1

Airworthy

Answer 1

The aircraft and its component parts 
• Meet the airplane’s type design
or 
• Is in a properly altered configuration 
and 
• Is in a condition for safe operation
(AFH Ch2)

Question 2

Spar line

Answer 2

lateral rivet lines that extend from one side of the wing to the other, horizontal stabilizer, or vertical stabilizer