Many thanks Mr. S, for the Hudson report link
Looks as if the pitch was 9.5 degrees and speed was 125kts, so I was mistaken about that.
Airbus ditching parameters:
'The January 21, 1988, Airbus certification test report stated that the fuselage of an A320 would "undergo no destruction liable to create a water passage" if the airplane ditched with the following parameters:
- landing gear retracted,
- 11° pitch,
- -0.5° glideslope, and
- flaps in landing configuration for minimum speed.
According to Airbus, the ditching certification criteria also assumed that engine power was available, that the descent rate was 3.5 feet per second (fps), and that the airplane landed longitudinal to any water swells. These criteria are consistent with the test results published in the NACA reports.'
There are similarities in that FR66 and aft of that were most severely affected (that is the point just forward of the rear door) however the VS was not caused to detach in that incident.
This point is interesting:
'As discussed previously, because of the operational difficulty of ditching within the Airbus ditching parameters and the additional difficulties that water swells and/or high winds may cause, it is very likely that, in general, after ditching an A320 airplane without engine power, the "probable structural damage and leakage" will include significant aft fuselage breaching and subsequent water entry into the aft area of the airplane. Therefore, it should be assumed that, after a ditching, water entry will prevent the aft exits and slide/rafts from being available for use during an evacuation.'