(QT (DQL ``) (QTC (S (BASENP (DT The) (NNP Cockpit) (NNP Voice) (NN recorder)) (VP (VBD revealed) (SBAR (IN that) (S (BASENP (DT both) (NNS pilots)) (VP (VBD were) (VP (VP (VBN concerned) (PP (IN about) (BASENP (NN navigation) (NNS problems)))) (CC and) (VP (ADVP (RB subsequently)) (VP (VBN become) (VP (VP (ADJP (JJ engrossed) (PP (IN with) (NP (BASENP (NN trouble) (NN shooting)) (NP (NP (BASENP (NNP Inertial) (NNP Reference) (NNP System)) (PRN (LRB -LRB-) (BASENP (NNP IRS)) (RRB -RRB-))) (NNS anomalies))))) (PP (IN for) (NP (BASENP (ADVP (IN at) (JJS least)) (DT the) (JJ last) (NN 13) (NNS minutes)) (PP (IN of) (BASENP (DT the) (NN flight)))))) (COMMA ,) (PP (IN with) (NP (BASENP (JJ minimal) (NN regard)) (PP (TO to) (BASENP (JJ other) (NN flight) (NNS requirements)))))))))))))) (PERIOD .)) (DQR ''))