Vector<Aeronave> vector = new Vector<Aeronave>(getList());
DefaultComboBoxModel model = new DefaultComboBoxModel(vector);
aeronave.setModel(model);
origem.setDocument(new JTextFieldLimit(40));
destino.setDocument(new JTextFieldLimit(40));
escala.setDocument(new JTextFieldLimit(40));
tituloCodigo.setBounds(60, 70, 200, 30);
tituloOrigem.setBounds(60, 110, 200, 30);
tituloDestino.setBounds(60, 150, 200, 30);
tituloEscala.setBounds(60, 190, 200, 30);