Complex sentence: As part of this, EAA built a precise replica of the 1903 Wright Flyer which toured the country in 2003 and was flown at the Wright Brother National Memorial at Kill Devil Hills, NC in December 2003.
Split into simpler sentences: As part of this, a precise replica of the 1903 Wright Flyer was built. This replica toured the country in 2003 and was flown at the Wright Brothers National Memorial at Kill Devil Hills, NC in December 2003.