Simon Craig wrote: >>How so, Simon? What causes the problems? >> > > Well, as you may have noticed, each engine is red. However, each > engine also has yellow dots - but each engine has a different number > of yellow dots and in different positions. Some have stripes, some > have circles, etc. > > Now the whole design is (apparently) licensed - I guess like a > copyright of sorts - and that means the design has to be exactly as > the designer intended. > > If an engine change is unplanned (and this can often be the case) > picking the next available serviceable engine changes from being a > relatively simple affair (a grey engine with a red qf logo) to a > logistical nightmare, as the engine has to be red, and depending on > which engine it is (ie. #1 - 4), has to have a particular design of > yellow dots. > > My understanding is that it is allowed to fly around for a small > period of time without the correct dots, but eventually QF is charged > money for not having the correct design on the engine in question! > Crazy stuff. It certainly is crazy stuff. What happens if an engine goes u/s in LHR or JFK? Bizarre. Thanks, Simon. Grant SYD QF