Simplify the following text for a Grade 7 native English-speaking person.
Original: On December 23 , 1940 , around 1:25 pm , Eddie was killed in an accident at Floyd Bennett Field at age 29 , while training George Wilson Herzog ( 1903 â `` 1940 ) .
Simplified: On December 23 , 1940 , Eddie was killed in an accident while training another pilot .