26

They have seats for couriers, same as factory freighters, but roomier. Note: From the -400BCF type certificate: There are no provisions for the carriage of passengers. A maximum of 19 couriers can occupy the aft cabin of the upper deck as defined in AFM. Source: airplane-pictures.net Above is the upper deck of a -400BCF (converted freighter). And ...


4

The first and most important step is to move the center of gravity back relative to the neutral point of the configuration. This is done either by shifting masses on the airframe back or by shifting the wings forward. This needs to be complemented by the addition of a multiple redundant and fast flight control computer. Now the tail will add lift instead of ...


2

The cost of approving an STC for an aircraft can be quite expensive and the return on investment may not have been worth it. ------------------------------------------ |Aircraft | # Built | Year Certified | ------------------------------------------ |Learjet 23 | 104 | 1964 | |Learjet 24 | 259 | 1966 to 1976 | (All variants) |...


1

I don't have access to the book, but the improvement mentioned in the quote is ... leading edge slats ... Slats wouldn't change the center of gravity noticeably. Your Wikipedia reference doesn't currently mention slats. Perhaps you intended to say "change center of lift/pressure". The main goal is improve maneuverability, which can be achieved ...


Only top voted, non community-wiki answers of a minimum length are eligible