(S (S (ADVP (RB Overall)) (COMMA ,) (S (BASENP (DT the) (NN plane)) (VP (VBD had) (VP (VP (VBN traveled) (BASENP (NN 252m))) (PP (IN beyond) (NP (BASENP (DT the) (JJ extreme) (NN end)) (PP (IN of) (BASENP (DT the) (NN runway))))))))) (PERIOD .))