On 5/12/1977 , the vessel NEPCO 140 (Official Number 540044) was involved in a grounding - under power (non-intentional) in LAKE ST FRANCIS-VALLEYFIELD RANGES-BUOYS D4-D6,.

The vessel, with 10 persons on board, experienced the incident while engaged in regular operations. There were 0 injuries and fatalities were reported, and there was none pollution.

PUSHED BY LINDA B,GROUNDED,BANK SUCTION.REFLOATED 2206,NO APP DAMAGE. Damage to the vessel was indicated as UNKNOWN

Weather at the time was reported as clear with winds from the W at 6.00 knots. This incident was officially recorded by Transport Canada on 4/23/1986 .