(S (S (BASENP (DT The) (NN flight)) (VP (VP (VBD had) (VP (VBN been) (NP (NP (DT a) (NP (JJ scheduled) (BASENP (JJ domestic) (NN passenger) (NN service)))) (PP (IN between) (NP (NP (BASENP (NNP Djuanda) (NNP Airport)) (PP (IN at) (BASENP (NNP Surabaya)))) (CC and) (NP (BASENP (NNP Sam) (NNP Ratulangi) (NNP Airport)) (PP (IN at) (BASENP (NNP Manado))))))))) (CONJP (COMMA ,) (CC and)) (VP (VP (VBD disappeared) (PP (IN from) (BASENP (NN radar) (NNS screens)))) (PP (IN at) (BASENP (NN 35,000) (NNS feet)))))) (PERIOD .))