Boeing 707 Controlled Impact Landing

	Boeing 707 Controlled Impact Landing
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The Controlled Impact Demonstration conducted on December 1, 1984, was a joint project between NASA's Dryden Flight Research Center and the Federal Aviation Administration (FAA) to test the impact of a Boeing 720 aircraft using standard fuel with an additive designed to suppress fire. The additive FM-9, a high molecular-weight long chain polymer, when blended with Jet-A fuel, forms antimisting kerosene (AMK). AMK had demonstrated the capability to inhibit ignition and flame propagation of the released fuel in simulated impact tests. All fuel tanks were filled with a total of 76,000 pounds of AMK and all engines ran from start-up to impact (the flight time was 9 minutes) on the modified Jet-A. As you can see from the video, the test did not meet expectations.