Question

question 6
4 point

1. any change in a certificated design or modification of a aircraft such as using alternative fuel requires a

c. faa authorization
selected
b. certificated mechanics sign off
a. stc, supplemental type certificate
d. pilot/owner authorization
clear selection
question 7
4 points
last saved 10:01:07 pm
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Explanation:

For modifications to a certificated aircraft design (like alternative fuel use), a Supplemental Type Certificate (STC) is the specific, required approval to validate the change meets airworthiness standards. FAA authorization is too broad, mechanic sign-off is for repairs, and pilot/owner approval is insufficient for design changes.

Answer:

a. STC, supplemental type certificate