December 19, 2006 - 12:37pm

According to David Wyndham, an owning partner of Orleans, Mass.-based aircraft cost data analyst Conklin & de Decker, there are five reasons why a buyer should wait until “around S/N 75 or later” to buy a “full clean-sheet design.” Reason one is that the new design might have “unproven new technologies” that can “delay certification or cause structural changes in the design.” Reason two is that “integrating new systems can cause difficulti