The aircraft was taking off from a 920 metre grass strip in moderate to heavy rain. Takeoff weight was about 60 kilograms below maximum authorised. Witnesses reported that the aircraft became airborne well beyond the normal position, and then only momentarily, before the pilot abandoned the takeoff. The aircraft crossed the end of the strip and ran across a beach before coming to rest in chest deep water. The pilot of a following aircraft later indicated that there was a significant down wind component during the first aircraft’s takeoff attempt. Significant Factors: The following factor was considered relevant to the development of the accident 1. The takeoff attempt was made in downwind conditions, for reasons which were not determined.