19970802020419A

Aircraft made emergency lanmding in a field and burned. (.4)the pilot reported the aircraft climbed out normally until it reached 500 feet above ground level and then the canopy opened. The pilot loosened his shoulder harness in order to pull down the canopy. One of the passengers tried to hold the canopy closed while the pilot flew the airplane, but was unable to keep it closed. The canopy came open again and the pilot chose to execute an emergency landing into an old clearing which was surrounded by forest. During impact, the pilot was knocked unconscious, and one of the two passengers received minor injuries. The two passengers pulled the pilot from the airplane. He reported that he had not ensured that the canopy was properly latched, and the safety latch was not fully engaged when he had departed. The safety latch used on the airplane was not the safely latched specified by the designer of the airplane. The pilot reported he made four mistakes; they were: 'not fixing the headrest thinking that it was only a piece of loose foam, omitting the checklist for the final flight, omitting checking the latch, and when I changed burt's [rutan] safety latch syst em not coming up with a design that was better. (-23) on climbout, shortly after takeoff the canopy opened. The pilot attempted to close it and lost control of aircraft, impacting the ground. Aircraft was destroyed by ensuing fire.