Systems and Equipment

A Description of the Auxiliary and Ancillary Systems of a Jet Executive Aircraft Whose Design Philosophy is Based Upon Simplicity and Well‐Proven Components. AS the Senior Designer of the DH 125, Mr C. J. Goodwin, has made clear in the preceding article describing the design philosophy of the DH 125, simplicity and well‐proven components have been the order of the day in the design of the aircraft's systems. Accordingly, these various systems are for the most part entirely conventional as the first description, of the flying controls, shows.