Page 68 - CHIRP Annual Digest 2017
P. 68

CHIRP Maritime





                             Procedures                       It is often found that near miss reports will contain several of
                                                              these behavioural factors, since an incident is generally not
             150
                               11      1                      attributable to single cause. Just to give a simple example
                                                 127          – a cylinder is being replaced on the main engine. The job
             120                            2                 has been assessed, discussed, and planned. At the critical
                        10
                                                              moment of lifting the cylinder with the main engine crane the
              90                    85                        operator becomes distracted and fails to check if the lifting
                       68                       3             clamps are properly secured. They are not, and this is discov-
              60                                              ered when the unit disengages from the clamps just after the
                      9                                       lifting operation commences. There is an almighty thump but
                                                              fortunately no damage. A human element analysis may well
              30                                              identify situational awareness as an issue, and distractions
                                             4
                          8                                   have already been mentioned. But what about teamwork?
               0                                              What about alerting – did anybody else intervene to stop the
                                        5
                     Area of   7 Lack of feedback Procedures dif
cult  operation? In fact, many of the deadly dozen could be factors
                                    6
                   scope unclear  on usability  to 
nd or missing  in this case depending upon the exact circumstances.
            Figure 13 – Procedures: causal explanations for failed defences
                                                              As with  the causal  analysis,  CHIRP can only  analyse the
                                                              articles with the information that is available – we do not
            Training –  This  graph speaks for itself.  There  is  plenty  of   conduct full investigations which might lend themselves to
            training available from many sources – fleet instructors, com-  a more thorough analysis and so the graphical representa-
            puter based training, formal courses etc., but it remains a key   tion is simply a rough and ready indication of human factors
            defence failure that in many cases training was not provided or   from reports received. Having said that, it is a fair indication
            was ineffective. For the most part the word ineffective is the cor-  of the various safety related behaviours that are impacting
            rect interpretation. For whatever reason, the lessons that were   upon incidents and near misses.
            supposed to be learnt from training were not put into practice.

                               Training
             150
                               11      1                                         12      1
                                                 134
             120                            2
                        10                                               11                    2

              90                    29
                       35                       3
              60                                                        10                      3
                      9
                                                                          9
              30
                                             4                                            4
                          8                                                       5
               0
                                        5
                    Insufcient  7 No structured  Training not          8 7
                                    6
                   management    training plan  provided or               6
                   commitment                  ineffective      1. Alerting – 374 (15%)  7. Fatigue – 19 (1%)
            Figure 14 – Training: causal explanations for failed defences  2. Capability – 194 (8%)  8. Fit for duty – 16 (0%)
                                                                3. Communication – 344 (14%)  9. Local practices – 225 (9%)
                                                                4. Complacency – 242 (1%)  10. Pressure – 81 (3%)
                                                                5. Culture – 296 (12%)  11. Situation awareness – 464 (18%)
            There are a lot of lessons in the above graphs and with a   6. Distractions – 43 (2%)  12. Teamwork – 213 (8%)
            little forethought many can easily be adopted in order to
            reduce the number of near misses and incidents that are   Figure 15 – CHIRP Human Element Analysis
            currently being experienced in our industry.
                                                              The graph shows some surprising results. The largest failing
            The Human Element – analysis                      is a lack of situational awareness and then there is a fairly
            The introduction mentioned that CHIRP also analyses arti-  even spread between alerting, communication and culture,
            cles for human factors. The graph below is a representa-  followed by teamwork, local practices and capability. How-
            tion of the “Deadly Dozen” – these are the twelve areas   ever, there is very little on fatigue, and given the knowledge
            where human behaviour impact upon safety. As referenced   that fatigue is a very real issue, (see the Project MARTHA
            in MGN520, the Deadly Dozen has been around since 1993,   findings in CHIRP publications), it is perhaps surprising that
            with origins in the airline industry. If it is considered to be   it scores so low. It is entirely possible that, although fatigue
            relatively new in the maritime sector, then this is simply evi-  would almost certainly be an issue when reporting an acci-
            dence  that  we  have  a  lot  of  catching  up  to  do.  It  is  also   dent, it is not really considered for near misses. This is also
            worthy of note that the airline industry does not commence   true for the “fit for duty” and “distractions” categories.
            an investigation until all human factors have been identified.



                                                           67
   63   64   65   66   67   68   69   70   71   72   73