Kilopascal wrote in USMA 18003 > >What is meant by the statement below: ....the brand new, all metric 767 >was.....? Is this meant to tell us that the Boeing 767 is a true metric >plane? Was it designed in metric? Does it contain metric parts, such as >metric fasteners? > >John > > > > >The flight crew had never been trained how to perform the drip calculations. >To be safe they re-ran the numbers three times to be absolutely, positively >sure the refuelers hadn't made any mistakes-each time using 1.77 >pounds/liter as the specific gravity factor. This factor was written on the >refueler's slip and was used on all of the other planes in Air Canada's >fleet. The factor the refuelers and the crew should have used on the brand >new, all-metric 767 was .8 kg/liter of kerosene.
The quotation put the situation incorrectly. Everything about the 767 structure was inch-pound. However, its instruments gave metric readings and its documentation was metric. Hence the Gimli Glider. Joseph B.Reid 17 Glebe Road West Toronto M5P 1C8 TEL. 416-486-6071
