The letter dated 07.01.2009 (the letter sent by DOA Section) specifies certain aircraft class in the footer. Where can we find this specified in a current regulation?
The affected aeroplane types are indicated in the letters sent to all affected TC holders and potential STC applicants. The affected aircraft types are large aeroplanes with a type certificate issued after 1st January 1958, that, as a result of original type certification or later increase in capacity, have -
a maximum type-certificated passenger capacity of 30 or more; or
a maximum payload capacity of 3402 kg (7500 pounds) or more.