SUB-COMMITTEE ON STABILITY AND LOAD LINES AND ON ...

Ref.: 391/09 and 520/09
BSU
Bundesstelle für Seeunfalluntersuchung
Federal Bureau of Maritime Casualty Investigation
Table of Figures
Figure 1: Photo of the CCNI GUAYAS ....................................................................... 8
Figure 2: Scene of the accident ................................................................................ 10
Figure 3: Steering gear compartment ....................................................................... 13
Figure 4: Air conditioning systems compartment ...................................................... 13
Figure 5: Wave heights and periods ......................................................................... 14
Figure 6: Wind sea, swell and wind speed ............................................................... 15
Figure 7: Analysis of the VDR data........................................................................... 16
Figure 8: Positions and courses of the CCNI GUAYAS............................................ 17
Figure 9: Bridge after the accident............................................................................ 18
Figure 10: Damage on the port side ......................................................................... 19
Figure 11: Tank plan; ballast full = blue, empty = yellow .......................................... 21
Figure 12: Tank content and draughts...................................................................... 22
Figure 13: Longitudinal strength and bending moments........................................... 22
Figure 14: Stability curve .......................................................................................... 23
Figure 15: Calculation model for the CCNI GUAYAS ............................................... 24
Figure 16: Framing plan ........................................................................................... 25
Figure 17: Righting lever curve................................................................................. 26
Figure 18: Model for determining the linear transfer function.................................... 27
Figure 19: Sea state polar coordinate diagram, 141 m wave length and 9.5 s period
................................................................................................................. 28
Figure 20: Sea state polar coordinate diagram, 125 m wave length and 9.0 s period
................................................................................................................. 28
Figure 21: Sea state polar coordinate diagram, 113 m wave length and 8.5 s period
................................................................................................................. 29
Figure 22: Polar coordinate diagram up to 15 kts..................................................... 30
Figure 23: Frequency distribution of transverse accelerations on the bridge............ 32
Figure 24: Polar coordinate diagram with/without ballast water................................ 33
Figure 25: Vessel without ballast .............................................................................. 34
Figure 26: Stability comparison without ballast water left, accident condition right... 35
Figure 27: Longitudinal strength without ballast water left, accident condition right.. 35
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