dc9-32
Thanks. I raised the question because I am not too familiar with the US regulations and I recently read that about Part 125:
"§125.1 Applicability.
(a) Except as provided in paragraphs (b), (c) and (d) of this section, this part prescribes rules governing the operations of U.S.registered
civil airplanes which have a seating configuration of 20 or more passengers or a maximum
payload capacity of 6,000 pounds or more when common carriage is not involved."