SAS, good question re the 64 data study. Seems to me that we did a short, limited scope flight test looking at the 64 approach vibration effect on the engine deck, but I don’t recall doing a complete, separate, fully instrumented flight loads survey using the logging load spectrum and maneuvers as the basis. We certainly have not done that task on the S-70. Our former Executive VP Jack McKenna wrote a great little book entitled simply “ Sky Crane “ which tells in some detail the impact of the logging spectrum on the Erickson S-64’s and their efforts to resolve those issues ( along with coordination by SA Engr ).