(S (S (BASENP (NNP Adam) (NNP Air)) (VP (VP (VBD had) (VP (ADVP (RB also)) (VP (ADVP (RB almost)) (VP (VP (VBN suffered) (BASENP (DT a) (NNP B737) (NN crash))) (NP (BASENP (DT the) (JJ previous) (NN year)) (PRN (COMMA ,) (BASENP (NN 2006)) (COMMA ,))))))) (PP (IN after) (NP (NP (NP (BASENP (DT a) (JJ similar) (JJ navigational) (NN instrument) (NN failure)) (PP (TO to) (BASENP (DT that)))) (PP (IN on) (BASENP (NNP Flight) (NNP 574)))) (VP (VBD caused) (S (BASENP (DT the) (NN airliner)) (VP (TO to) (VP (VP (VP (VB become) (VP (VBN lost))) (PP (IN for) (BASENP (JJ several) (NNS hours)))) (COMMA ,) (S (VP (ADVP (RB eventually)) (VP (VP (VBG performing) (BASENP (DT an) (NN emergency) (NN landing))) (NP (NP (BASENP (NNS hundreds)) (PP (IN of) (BASENP (NNS kilometres)))) (PP (IN from) (BASENP (PRPD its) (JJ intended) (NN destination))))))))))))))) (PERIOD .))